eu.stratosphere.api.java.io.CsvReader.java Source code

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/***********************************************************************************************************************
 *
 * Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 *
 **********************************************************************************************************************/
package eu.stratosphere.api.java.io;

import java.util.ArrayList;
import java.util.Arrays;

import org.apache.commons.lang3.Validate;

import eu.stratosphere.api.java.ExecutionEnvironment;
import eu.stratosphere.api.java.operators.DataSource;
//CHECKSTYLE.OFF: AvoidStarImport - Needed for TupleGenerator
import eu.stratosphere.api.java.tuple.*;
//CHECKSTYLE.ON: AvoidStarImport
import eu.stratosphere.api.java.typeutils.TupleTypeInfo;
import eu.stratosphere.api.java.typeutils.TypeExtractor;
import eu.stratosphere.core.fs.Path;

/**
 * A builder class to instantiate a CSV parsing data source. The CSV reader configures the field types,
 * the delimiters (row and field),  the fields that should be included or skipped, and other flags
 * such as whether to skip the initial line as the header.
 */
public class CsvReader {

    private final Path path;

    private final ExecutionEnvironment executionContext;

    protected boolean[] includedMask;

    protected String lineDelimiter = CsvInputFormat.DEFAULT_LINE_DELIMITER;

    protected char fieldDelimiter = CsvInputFormat.DEFAULT_FIELD_DELIMITER;

    protected boolean skipFirstLineAsHeader = false;

    // --------------------------------------------------------------------------------------------

    public CsvReader(Path filePath, ExecutionEnvironment executionContext) {
        Validate.notNull(filePath, "The file path may not be null.");
        Validate.notNull(executionContext, "The execution context may not be null.");

        this.path = filePath;
        this.executionContext = executionContext;
    }

    public CsvReader(String filePath, ExecutionEnvironment executionContext) {
        this(new Path(Validate.notNull(filePath, "The file path may not be null.")), executionContext);
    }

    public Path getFilePath() {
        return this.path;
    }

    // --------------------------------------------------------------------------------------------

    /**
     * Configures the delimiter that separates the lines/rows. The linebreak character
     * ({@code '\n'}) is used by default.
     * 
     * @param delimiter The delimiter that separates the rows.
     * @return The CSV reader instance itself, to allow for fluent function chaining.
     */
    public CsvReader lineDelimiter(String delimiter) {
        if (delimiter == null || delimiter.length() == 0) {
            throw new IllegalArgumentException("The delimiter must not be null or an empty string");
        }

        this.lineDelimiter = delimiter;
        return this;
    }

    /**
     * Configures the delimiter that separates the fields within a row. The comma character
     * ({@code ','}) is used by default.
     * 
     * @param delimiter The delimiter that separates the fields in one row.
     * @return The CSV reader instance itself, to allow for fluent function chaining.
     */
    public CsvReader fieldDelimiter(char delimiter) {
        this.fieldDelimiter = delimiter;
        return this;
    }

    /**
     * Configures which fields of the CSV file should be included and which should be skipped. The
     * parser will look at the first {@code n} fields, where {@code n} is the length of the boolean
     * array. The parser will skip over all fields where the boolean value at the corresponding position
     * in the array is {@code false}. The result contains the fields where the corresponding position in
     * the boolean array is {@code true}.
     * The number of fields in the result is consequently equal to the number of times that {@code true}
     * occurs in the fields array.
     * 
     * @param fields The array of flags that describes which fields are to be included and which not.
     * @return The CSV reader instance itself, to allow for fluent function chaining.
     */
    public CsvReader includeFields(boolean... fields) {
        if (fields == null || fields.length == 0) {
            throw new IllegalArgumentException("The set of included fields must not be null or empty.");
        }

        int lastTruePos = -1;
        for (int i = 0; i < fields.length; i++) {
            if (fields[i]) {
                lastTruePos = i;
            }
        }

        if (lastTruePos == -1) {
            throw new IllegalArgumentException(
                    "The description of fields to parse excluded all fields. At least one fields must be included.");
        }
        if (lastTruePos == fields.length - 1) {
            this.includedMask = fields;
        } else {
            this.includedMask = Arrays.copyOfRange(fields, 0, lastTruePos + 1);
        }
        return this;
    }

    /**
     * Configures which fields of the CSV file should be included and which should be skipped. The
     * positions in the string (read from position 0 to its length) define whether the field at
     * the corresponding position in the CSV schema should be included.
     * parser will look at the first {@code n} fields, where {@code n} is the length of the mask string
     * The parser will skip over all fields where the character at the corresponding position
     * in the string is {@code '0'}, {@code 'F'}, or {@code 'f'} (representing the value
     * {@code false}). The result contains the fields where the corresponding position in
     * the boolean array is {@code '1'}, {@code 'T'}, or {@code 't'} (representing the value {@code true}).
     * 
     * @param mask The string mask defining which fields to include and which to skip.
     * @return The CSV reader instance itself, to allow for fluent function chaining.
     */
    public CsvReader includeFields(String mask) {
        boolean[] includedMask = new boolean[mask.length()];

        for (int i = 0; i < mask.length(); i++) {
            char c = mask.charAt(i);
            if (c == '1' || c == 'T' || c == 't') {
                includedMask[i] = true;
            } else if (c != '0' && c != 'F' && c != 'f') {
                throw new IllegalArgumentException("Mask string may contain only '0' and '1'.");
            }
        }

        return includeFields(includedMask);
    }

    /**
     * Configures which fields of the CSV file should be included and which should be skipped. The
     * bits in the value (read from least significant to most significant) define whether the field at
     * the corresponding position in the CSV schema should be included.
     * parser will look at the first {@code n} fields, where {@code n} is the position of the most significant
     * non-zero bit.
     * The parser will skip over all fields where the character at the corresponding bit is zero, and
     * include the fields where the corresponding bit is one.
     * <p>
     * Examples:
     * <ul>
     *   <li>A mask of {@code 0x7} would include the first three fields.</li>
     *   <li>A mask of {@code 0x26} (binary {@code 100110} would skip the first fields, include fields
     *       two and three, skip fields four and five, and include field six.</li>
     * </ul>
     * 
     * @param mask The bit mask defining which fields to include and which to skip.
     * @return The CSV reader instance itself, to allow for fluent function chaining.
     */
    public CsvReader includeFields(long mask) {
        if (mask == 0) {
            throw new IllegalArgumentException(
                    "The description of fields to parse excluded all fields. At least one fields must be included.");
        }

        ArrayList<Boolean> fields = new ArrayList<Boolean>();

        while (mask != 0) {
            fields.add((mask & 0x1L) != 0);
            mask >>>= 1;
        }

        boolean[] fieldsArray = new boolean[fields.size()];
        for (int i = 0; i < fieldsArray.length; i++) {
            fieldsArray[i] = fields.get(i);
        }

        return includeFields(fieldsArray);
    }

    /**
     * Sets the CSV reader to ignore the first line. This is useful for files that contain a header line.
     * 
     * @return The CSV reader instance itself, to allow for fluent function chaining.
     */
    public CsvReader ignoreFirstLine() {
        skipFirstLineAsHeader = true;
        return this;
    }

    /**
     * Configures the reader to read the CSV data and parse it to the given type. The type must be a subclass of
     * {@link Tuple}. The type information for the fields is obtained from the type class. The type
     * consequently needs to specify all generic field types of the tuple.
     * 
     * @param targetType The class of the target type, needs to be a subclass of Tuple.
     * @return The DataSet representing the parsed CSV data.
     */
    public <T extends Tuple> DataSource<T> tupleType(Class<T> targetType) {
        Validate.notNull(targetType, "The target type class must not be null.");
        if (!Tuple.class.isAssignableFrom(targetType)) {
            throw new IllegalArgumentException("The target type must be a subclass of " + Tuple.class.getName());
        }

        @SuppressWarnings("unchecked")
        TupleTypeInfo<T> typeInfo = (TupleTypeInfo<T>) TypeExtractor.createTypeInfo(targetType);
        CsvInputFormat<T> inputFormat = new CsvInputFormat<T>(path);

        Class<?>[] classes = new Class<?>[typeInfo.getArity()];
        for (int i = 0; i < typeInfo.getArity(); i++) {
            classes[i] = typeInfo.getTypeAt(i).getTypeClass();
        }

        configureInputFormat(inputFormat, classes);
        return new DataSource<T>(executionContext, inputFormat, typeInfo);
    }

    // --------------------------------------------------------------------------------------------
    // Miscellaneous
    // --------------------------------------------------------------------------------------------

    private void configureInputFormat(CsvInputFormat<?> format, Class<?>... types) {
        format.setDelimiter(this.lineDelimiter);
        format.setFieldDelimiter(this.fieldDelimiter);
        format.setSkipFirstLineAsHeader(skipFirstLineAsHeader);
        if (this.includedMask == null) {
            format.setFieldTypes(types);
        } else {
            format.setFields(this.includedMask, types);
        }
    }

    // --------------------------------------------------------------------------------------------   
    // The following lines are generated.
    // --------------------------------------------------------------------------------------------   
    // BEGIN_OF_TUPLE_DEPENDENT_CODE
    // GENERATED FROM eu.stratosphere.api.java.tuple.TupleGenerator.

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 1-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0> DataSource<Tuple1<T0>> types(Class<T0> type0) {
        TupleTypeInfo<Tuple1<T0>> types = TupleTypeInfo.getBasicTupleTypeInfo(type0);
        CsvInputFormat<Tuple1<T0>> inputFormat = new CsvInputFormat<Tuple1<T0>>(path);
        configureInputFormat(inputFormat, type0);
        return new DataSource<Tuple1<T0>>(executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 2-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1> DataSource<Tuple2<T0, T1>> types(Class<T0> type0, Class<T1> type1) {
        TupleTypeInfo<Tuple2<T0, T1>> types = TupleTypeInfo.getBasicTupleTypeInfo(type0, type1);
        CsvInputFormat<Tuple2<T0, T1>> inputFormat = new CsvInputFormat<Tuple2<T0, T1>>(path);
        configureInputFormat(inputFormat, type0, type1);
        return new DataSource<Tuple2<T0, T1>>(executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 3-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2> DataSource<Tuple3<T0, T1, T2>> types(Class<T0> type0, Class<T1> type1, Class<T2> type2) {
        TupleTypeInfo<Tuple3<T0, T1, T2>> types = TupleTypeInfo.getBasicTupleTypeInfo(type0, type1, type2);
        CsvInputFormat<Tuple3<T0, T1, T2>> inputFormat = new CsvInputFormat<Tuple3<T0, T1, T2>>(path);
        configureInputFormat(inputFormat, type0, type1, type2);
        return new DataSource<Tuple3<T0, T1, T2>>(executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 4-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3> DataSource<Tuple4<T0, T1, T2, T3>> types(Class<T0> type0, Class<T1> type1,
            Class<T2> type2, Class<T3> type3) {
        TupleTypeInfo<Tuple4<T0, T1, T2, T3>> types = TupleTypeInfo.getBasicTupleTypeInfo(type0, type1, type2,
                type3);
        CsvInputFormat<Tuple4<T0, T1, T2, T3>> inputFormat = new CsvInputFormat<Tuple4<T0, T1, T2, T3>>(path);
        configureInputFormat(inputFormat, type0, type1, type2, type3);
        return new DataSource<Tuple4<T0, T1, T2, T3>>(executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 5-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4> DataSource<Tuple5<T0, T1, T2, T3, T4>> types(Class<T0> type0, Class<T1> type1,
            Class<T2> type2, Class<T3> type3, Class<T4> type4) {
        TupleTypeInfo<Tuple5<T0, T1, T2, T3, T4>> types = TupleTypeInfo.getBasicTupleTypeInfo(type0, type1, type2,
                type3, type4);
        CsvInputFormat<Tuple5<T0, T1, T2, T3, T4>> inputFormat = new CsvInputFormat<Tuple5<T0, T1, T2, T3, T4>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4);
        return new DataSource<Tuple5<T0, T1, T2, T3, T4>>(executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 6-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5> DataSource<Tuple6<T0, T1, T2, T3, T4, T5>> types(Class<T0> type0,
            Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5) {
        TupleTypeInfo<Tuple6<T0, T1, T2, T3, T4, T5>> types = TupleTypeInfo.getBasicTupleTypeInfo(type0, type1,
                type2, type3, type4, type5);
        CsvInputFormat<Tuple6<T0, T1, T2, T3, T4, T5>> inputFormat = new CsvInputFormat<Tuple6<T0, T1, T2, T3, T4, T5>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5);
        return new DataSource<Tuple6<T0, T1, T2, T3, T4, T5>>(executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 7-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6> DataSource<Tuple7<T0, T1, T2, T3, T4, T5, T6>> types(Class<T0> type0,
            Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5, Class<T6> type6) {
        TupleTypeInfo<Tuple7<T0, T1, T2, T3, T4, T5, T6>> types = TupleTypeInfo.getBasicTupleTypeInfo(type0, type1,
                type2, type3, type4, type5, type6);
        CsvInputFormat<Tuple7<T0, T1, T2, T3, T4, T5, T6>> inputFormat = new CsvInputFormat<Tuple7<T0, T1, T2, T3, T4, T5, T6>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6);
        return new DataSource<Tuple7<T0, T1, T2, T3, T4, T5, T6>>(executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 8-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7> DataSource<Tuple8<T0, T1, T2, T3, T4, T5, T6, T7>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7) {
        TupleTypeInfo<Tuple8<T0, T1, T2, T3, T4, T5, T6, T7>> types = TupleTypeInfo.getBasicTupleTypeInfo(type0,
                type1, type2, type3, type4, type5, type6, type7);
        CsvInputFormat<Tuple8<T0, T1, T2, T3, T4, T5, T6, T7>> inputFormat = new CsvInputFormat<Tuple8<T0, T1, T2, T3, T4, T5, T6, T7>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7);
        return new DataSource<Tuple8<T0, T1, T2, T3, T4, T5, T6, T7>>(executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 9-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8> DataSource<Tuple9<T0, T1, T2, T3, T4, T5, T6, T7, T8>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8) {
        TupleTypeInfo<Tuple9<T0, T1, T2, T3, T4, T5, T6, T7, T8>> types = TupleTypeInfo.getBasicTupleTypeInfo(type0,
                type1, type2, type3, type4, type5, type6, type7, type8);
        CsvInputFormat<Tuple9<T0, T1, T2, T3, T4, T5, T6, T7, T8>> inputFormat = new CsvInputFormat<Tuple9<T0, T1, T2, T3, T4, T5, T6, T7, T8>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8);
        return new DataSource<Tuple9<T0, T1, T2, T3, T4, T5, T6, T7, T8>>(executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 10-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9> DataSource<Tuple10<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9) {
        TupleTypeInfo<Tuple10<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9);
        CsvInputFormat<Tuple10<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9>> inputFormat = new CsvInputFormat<Tuple10<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9);
        return new DataSource<Tuple10<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9>>(executionContext, inputFormat,
                types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 11-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> DataSource<Tuple11<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10) {
        TupleTypeInfo<Tuple11<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                        type10);
        CsvInputFormat<Tuple11<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>> inputFormat = new CsvInputFormat<Tuple11<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10);
        return new DataSource<Tuple11<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>>(executionContext, inputFormat,
                types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 12-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> DataSource<Tuple12<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11) {
        TupleTypeInfo<Tuple12<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11);
        CsvInputFormat<Tuple12<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>> inputFormat = new CsvInputFormat<Tuple12<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11);
        return new DataSource<Tuple12<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>>(executionContext,
                inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 13-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> DataSource<Tuple13<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12) {
        TupleTypeInfo<Tuple13<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12);
        CsvInputFormat<Tuple13<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>> inputFormat = new CsvInputFormat<Tuple13<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12);
        return new DataSource<Tuple13<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>>(executionContext,
                inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 14-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @param type13 The type of CSV field 13 and the type of field 13 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> DataSource<Tuple14<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12, Class<T13> type13) {
        TupleTypeInfo<Tuple14<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12, type13);
        CsvInputFormat<Tuple14<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>> inputFormat = new CsvInputFormat<Tuple14<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12, type13);
        return new DataSource<Tuple14<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>>(executionContext,
                inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 15-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @param type13 The type of CSV field 13 and the type of field 13 in the returned tuple type.
     * @param type14 The type of CSV field 14 and the type of field 14 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> DataSource<Tuple15<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12, Class<T13> type13, Class<T14> type14) {
        TupleTypeInfo<Tuple15<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12, type13, type14);
        CsvInputFormat<Tuple15<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>> inputFormat = new CsvInputFormat<Tuple15<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12, type13, type14);
        return new DataSource<Tuple15<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>>(
                executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 16-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @param type13 The type of CSV field 13 and the type of field 13 in the returned tuple type.
     * @param type14 The type of CSV field 14 and the type of field 14 in the returned tuple type.
     * @param type15 The type of CSV field 15 and the type of field 15 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> DataSource<Tuple16<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12, Class<T13> type13, Class<T14> type14, Class<T15> type15) {
        TupleTypeInfo<Tuple16<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12, type13, type14, type15);
        CsvInputFormat<Tuple16<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>> inputFormat = new CsvInputFormat<Tuple16<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12, type13, type14, type15);
        return new DataSource<Tuple16<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>>(
                executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 17-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @param type13 The type of CSV field 13 and the type of field 13 in the returned tuple type.
     * @param type14 The type of CSV field 14 and the type of field 14 in the returned tuple type.
     * @param type15 The type of CSV field 15 and the type of field 15 in the returned tuple type.
     * @param type16 The type of CSV field 16 and the type of field 16 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> DataSource<Tuple17<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12, Class<T13> type13, Class<T14> type14, Class<T15> type15,
            Class<T16> type16) {
        TupleTypeInfo<Tuple17<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12, type13, type14, type15, type16);
        CsvInputFormat<Tuple17<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>> inputFormat = new CsvInputFormat<Tuple17<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12, type13, type14, type15, type16);
        return new DataSource<Tuple17<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>>(
                executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 18-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @param type13 The type of CSV field 13 and the type of field 13 in the returned tuple type.
     * @param type14 The type of CSV field 14 and the type of field 14 in the returned tuple type.
     * @param type15 The type of CSV field 15 and the type of field 15 in the returned tuple type.
     * @param type16 The type of CSV field 16 and the type of field 16 in the returned tuple type.
     * @param type17 The type of CSV field 17 and the type of field 17 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17> DataSource<Tuple18<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12, Class<T13> type13, Class<T14> type14, Class<T15> type15,
            Class<T16> type16, Class<T17> type17) {
        TupleTypeInfo<Tuple18<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12, type13, type14, type15, type16, type17);
        CsvInputFormat<Tuple18<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17>> inputFormat = new CsvInputFormat<Tuple18<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12, type13, type14, type15, type16, type17);
        return new DataSource<Tuple18<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17>>(
                executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 19-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @param type13 The type of CSV field 13 and the type of field 13 in the returned tuple type.
     * @param type14 The type of CSV field 14 and the type of field 14 in the returned tuple type.
     * @param type15 The type of CSV field 15 and the type of field 15 in the returned tuple type.
     * @param type16 The type of CSV field 16 and the type of field 16 in the returned tuple type.
     * @param type17 The type of CSV field 17 and the type of field 17 in the returned tuple type.
     * @param type18 The type of CSV field 18 and the type of field 18 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18> DataSource<Tuple19<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12, Class<T13> type13, Class<T14> type14, Class<T15> type15,
            Class<T16> type16, Class<T17> type17, Class<T18> type18) {
        TupleTypeInfo<Tuple19<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12, type13, type14, type15, type16, type17, type18);
        CsvInputFormat<Tuple19<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18>> inputFormat = new CsvInputFormat<Tuple19<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12, type13, type14, type15, type16, type17, type18);
        return new DataSource<Tuple19<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18>>(
                executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 20-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @param type13 The type of CSV field 13 and the type of field 13 in the returned tuple type.
     * @param type14 The type of CSV field 14 and the type of field 14 in the returned tuple type.
     * @param type15 The type of CSV field 15 and the type of field 15 in the returned tuple type.
     * @param type16 The type of CSV field 16 and the type of field 16 in the returned tuple type.
     * @param type17 The type of CSV field 17 and the type of field 17 in the returned tuple type.
     * @param type18 The type of CSV field 18 and the type of field 18 in the returned tuple type.
     * @param type19 The type of CSV field 19 and the type of field 19 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19> DataSource<Tuple20<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12, Class<T13> type13, Class<T14> type14, Class<T15> type15,
            Class<T16> type16, Class<T17> type17, Class<T18> type18, Class<T19> type19) {
        TupleTypeInfo<Tuple20<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12, type13, type14, type15, type16, type17, type18, type19);
        CsvInputFormat<Tuple20<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19>> inputFormat = new CsvInputFormat<Tuple20<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12, type13, type14, type15, type16, type17, type18, type19);
        return new DataSource<Tuple20<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19>>(
                executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 21-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @param type13 The type of CSV field 13 and the type of field 13 in the returned tuple type.
     * @param type14 The type of CSV field 14 and the type of field 14 in the returned tuple type.
     * @param type15 The type of CSV field 15 and the type of field 15 in the returned tuple type.
     * @param type16 The type of CSV field 16 and the type of field 16 in the returned tuple type.
     * @param type17 The type of CSV field 17 and the type of field 17 in the returned tuple type.
     * @param type18 The type of CSV field 18 and the type of field 18 in the returned tuple type.
     * @param type19 The type of CSV field 19 and the type of field 19 in the returned tuple type.
     * @param type20 The type of CSV field 20 and the type of field 20 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20> DataSource<Tuple21<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12, Class<T13> type13, Class<T14> type14, Class<T15> type15,
            Class<T16> type16, Class<T17> type17, Class<T18> type18, Class<T19> type19, Class<T20> type20) {
        TupleTypeInfo<Tuple21<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12, type13, type14, type15, type16, type17, type18, type19, type20);
        CsvInputFormat<Tuple21<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20>> inputFormat = new CsvInputFormat<Tuple21<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12, type13, type14, type15, type16, type17, type18, type19, type20);
        return new DataSource<Tuple21<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20>>(
                executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 22-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @param type13 The type of CSV field 13 and the type of field 13 in the returned tuple type.
     * @param type14 The type of CSV field 14 and the type of field 14 in the returned tuple type.
     * @param type15 The type of CSV field 15 and the type of field 15 in the returned tuple type.
     * @param type16 The type of CSV field 16 and the type of field 16 in the returned tuple type.
     * @param type17 The type of CSV field 17 and the type of field 17 in the returned tuple type.
     * @param type18 The type of CSV field 18 and the type of field 18 in the returned tuple type.
     * @param type19 The type of CSV field 19 and the type of field 19 in the returned tuple type.
     * @param type20 The type of CSV field 20 and the type of field 20 in the returned tuple type.
     * @param type21 The type of CSV field 21 and the type of field 21 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21> DataSource<Tuple22<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12, Class<T13> type13, Class<T14> type14, Class<T15> type15,
            Class<T16> type16, Class<T17> type17, Class<T18> type18, Class<T19> type19, Class<T20> type20,
            Class<T21> type21) {
        TupleTypeInfo<Tuple22<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12, type13, type14, type15, type16, type17, type18, type19, type20, type21);
        CsvInputFormat<Tuple22<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21>> inputFormat = new CsvInputFormat<Tuple22<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12, type13, type14, type15, type16, type17, type18, type19, type20, type21);
        return new DataSource<Tuple22<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21>>(
                executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 23-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @param type13 The type of CSV field 13 and the type of field 13 in the returned tuple type.
     * @param type14 The type of CSV field 14 and the type of field 14 in the returned tuple type.
     * @param type15 The type of CSV field 15 and the type of field 15 in the returned tuple type.
     * @param type16 The type of CSV field 16 and the type of field 16 in the returned tuple type.
     * @param type17 The type of CSV field 17 and the type of field 17 in the returned tuple type.
     * @param type18 The type of CSV field 18 and the type of field 18 in the returned tuple type.
     * @param type19 The type of CSV field 19 and the type of field 19 in the returned tuple type.
     * @param type20 The type of CSV field 20 and the type of field 20 in the returned tuple type.
     * @param type21 The type of CSV field 21 and the type of field 21 in the returned tuple type.
     * @param type22 The type of CSV field 22 and the type of field 22 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22> DataSource<Tuple23<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12, Class<T13> type13, Class<T14> type14, Class<T15> type15,
            Class<T16> type16, Class<T17> type17, Class<T18> type18, Class<T19> type19, Class<T20> type20,
            Class<T21> type21, Class<T22> type22) {
        TupleTypeInfo<Tuple23<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12, type13, type14, type15, type16, type17, type18, type19, type20, type21,
                        type22);
        CsvInputFormat<Tuple23<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22>> inputFormat = new CsvInputFormat<Tuple23<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12, type13, type14, type15, type16, type17, type18, type19, type20, type21,
                type22);
        return new DataSource<Tuple23<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22>>(
                executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 24-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @param type13 The type of CSV field 13 and the type of field 13 in the returned tuple type.
     * @param type14 The type of CSV field 14 and the type of field 14 in the returned tuple type.
     * @param type15 The type of CSV field 15 and the type of field 15 in the returned tuple type.
     * @param type16 The type of CSV field 16 and the type of field 16 in the returned tuple type.
     * @param type17 The type of CSV field 17 and the type of field 17 in the returned tuple type.
     * @param type18 The type of CSV field 18 and the type of field 18 in the returned tuple type.
     * @param type19 The type of CSV field 19 and the type of field 19 in the returned tuple type.
     * @param type20 The type of CSV field 20 and the type of field 20 in the returned tuple type.
     * @param type21 The type of CSV field 21 and the type of field 21 in the returned tuple type.
     * @param type22 The type of CSV field 22 and the type of field 22 in the returned tuple type.
     * @param type23 The type of CSV field 23 and the type of field 23 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23> DataSource<Tuple24<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12, Class<T13> type13, Class<T14> type14, Class<T15> type15,
            Class<T16> type16, Class<T17> type17, Class<T18> type18, Class<T19> type19, Class<T20> type20,
            Class<T21> type21, Class<T22> type22, Class<T23> type23) {
        TupleTypeInfo<Tuple24<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12, type13, type14, type15, type16, type17, type18, type19, type20, type21,
                        type22, type23);
        CsvInputFormat<Tuple24<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23>> inputFormat = new CsvInputFormat<Tuple24<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12, type13, type14, type15, type16, type17, type18, type19, type20, type21,
                type22, type23);
        return new DataSource<Tuple24<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23>>(
                executionContext, inputFormat, types);
    }

    /**
     * Specifies the types for the CSV fields. This method parses the CSV data to a 25-tuple
     * which has fields of the specified types.
     * This method is overloaded for each possible length of the tuples to support type safe
     * creation of data sets through CSV parsing.
     *
     * @param type0 The type of CSV field 0 and the type of field 0 in the returned tuple type.
     * @param type1 The type of CSV field 1 and the type of field 1 in the returned tuple type.
     * @param type2 The type of CSV field 2 and the type of field 2 in the returned tuple type.
     * @param type3 The type of CSV field 3 and the type of field 3 in the returned tuple type.
     * @param type4 The type of CSV field 4 and the type of field 4 in the returned tuple type.
     * @param type5 The type of CSV field 5 and the type of field 5 in the returned tuple type.
     * @param type6 The type of CSV field 6 and the type of field 6 in the returned tuple type.
     * @param type7 The type of CSV field 7 and the type of field 7 in the returned tuple type.
     * @param type8 The type of CSV field 8 and the type of field 8 in the returned tuple type.
     * @param type9 The type of CSV field 9 and the type of field 9 in the returned tuple type.
     * @param type10 The type of CSV field 10 and the type of field 10 in the returned tuple type.
     * @param type11 The type of CSV field 11 and the type of field 11 in the returned tuple type.
     * @param type12 The type of CSV field 12 and the type of field 12 in the returned tuple type.
     * @param type13 The type of CSV field 13 and the type of field 13 in the returned tuple type.
     * @param type14 The type of CSV field 14 and the type of field 14 in the returned tuple type.
     * @param type15 The type of CSV field 15 and the type of field 15 in the returned tuple type.
     * @param type16 The type of CSV field 16 and the type of field 16 in the returned tuple type.
     * @param type17 The type of CSV field 17 and the type of field 17 in the returned tuple type.
     * @param type18 The type of CSV field 18 and the type of field 18 in the returned tuple type.
     * @param type19 The type of CSV field 19 and the type of field 19 in the returned tuple type.
     * @param type20 The type of CSV field 20 and the type of field 20 in the returned tuple type.
     * @param type21 The type of CSV field 21 and the type of field 21 in the returned tuple type.
     * @param type22 The type of CSV field 22 and the type of field 22 in the returned tuple type.
     * @param type23 The type of CSV field 23 and the type of field 23 in the returned tuple type.
     * @param type24 The type of CSV field 24 and the type of field 24 in the returned tuple type.
     * @return The {@link eu.stratosphere.api.java.DataSet} representing the parsed CSV data.
     */
    public <T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24> DataSource<Tuple25<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24>> types(
            Class<T0> type0, Class<T1> type1, Class<T2> type2, Class<T3> type3, Class<T4> type4, Class<T5> type5,
            Class<T6> type6, Class<T7> type7, Class<T8> type8, Class<T9> type9, Class<T10> type10,
            Class<T11> type11, Class<T12> type12, Class<T13> type13, Class<T14> type14, Class<T15> type15,
            Class<T16> type16, Class<T17> type17, Class<T18> type18, Class<T19> type19, Class<T20> type20,
            Class<T21> type21, Class<T22> type22, Class<T23> type23, Class<T24> type24) {
        TupleTypeInfo<Tuple25<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24>> types = TupleTypeInfo
                .getBasicTupleTypeInfo(type0, type1, type2, type3, type4, type5, type6, type7, type8, type9, type10,
                        type11, type12, type13, type14, type15, type16, type17, type18, type19, type20, type21,
                        type22, type23, type24);
        CsvInputFormat<Tuple25<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24>> inputFormat = new CsvInputFormat<Tuple25<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24>>(
                path);
        configureInputFormat(inputFormat, type0, type1, type2, type3, type4, type5, type6, type7, type8, type9,
                type10, type11, type12, type13, type14, type15, type16, type17, type18, type19, type20, type21,
                type22, type23, type24);
        return new DataSource<Tuple25<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, T23, T24>>(
                executionContext, inputFormat, types);
    }

    // END_OF_TUPLE_DEPENDENT_CODE
}