co.cask.cdap.api.dataset.table.Put.java Source code

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/*
 * Copyright  2014 Cask Data, Inc.
 *
 * 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 co.cask.cdap.api.dataset.table;

import co.cask.cdap.api.common.Bytes;
import com.google.common.collect.Maps;

import java.util.Map;

/**
 * Writes the specified value(s) in one or more columns of a row -- this overrides existing values.
 */
public class Put {
    /** row to write to. */
    private final byte[] row;

    /** map of column to value to write. */
    private final Map<byte[], byte[]> values;

    /**
     * @return Row to write to.
     */
    public byte[] getRow() {
        return row;
    }

    /**
     * @return Map of column to value to write.
     */
    public Map<byte[], byte[]> getValues() {
        return values;
    }

    // key as byte[]

    /**
     * Write to a row.
     * @param row Row to write to.
     */
    public Put(byte[] row) {
        this.row = row;
        this.values = Maps.newTreeMap(Bytes.BYTES_COMPARATOR);
    }

    /**
     * Write at least one value in a column of a row.
     * @param row Row to write to.
     * @param column Column to write to.
     * @param value Value to write.
     */
    public Put(byte[] row, byte[] column, byte[] value) {
        this(row);
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column Column to write to.
     * @param value Value to write.
     * @return Instance of this {@link co.cask.cdap.api.dataset.table.Put}.
     */
    public Put add(byte[] column, byte[] value) {
        values.put(column, value);
        return this;
    }

    /**
     * Write at least one value in a column of a row.
     * @param row Row to write to.
     * @param column Column to write to.
     * @param value Value to write.
     */
    public Put(byte[] row, byte[] column, String value) {
        this(row);
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column Column to write to.
     * @param value Value to write.
     * @return Instance of this {@link co.cask.cdap.api.dataset.table.Put}.
     */
    public Put add(byte[] column, String value) {
        return add(column, Bytes.toBytes(value));
    }

    /**
     * Write at least one value in a column of row.
     * @param row Row to write to.
     * @param column Column to write to.
     * @param value Value to write.
     */
    public Put(byte[] row, byte[] column, boolean value) {
        this(row);
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column Column to write to.
     * @param value Value to write.
     * @return Instance of this {@link co.cask.cdap.api.dataset.table.Put}.
     */
    public Put add(byte[] column, boolean value) {
        return add(column, Bytes.toBytes(value));
    }

    /**
     * Write at least one value in a column of a row.
     * @param row Row to write to.
     * @param column Column to write to.
     * @param value Value to write.
     */
    public Put(byte[] row, byte[] column, short value) {
        this(row);
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column Column to write to.
     * @param value Value to write.
     * @return Instance of this {@link co.cask.cdap.api.dataset.table.Put}.
     */
    public Put add(byte[] column, short value) {
        return add(column, Bytes.toBytes(value));
    }

    /**
     * Write at least one value in a column of a row.
     * @param row Row to write to.
     * @param column Column to write to.
     * @param value Value to write.
     */
    public Put(byte[] row, byte[] column, int value) {
        this(row);
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column Column to write to.
     * @param value Value to write.
     * @return Instance of this {@link co.cask.cdap.api.dataset.table.Put}.
     */
    public Put add(byte[] column, int value) {
        return add(column, Bytes.toBytes(value));
    }

    /**
     * Write at least one value in a column of a row.
     * @param row Row to write to.
     * @param column Column to write to.
     * @param value Value to write.
     */
    public Put(byte[] row, byte[] column, long value) {
        this(row);
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column Column to write to.
     * @param value Value to write.
     * @return Instance of this {@link co.cask.cdap.api.dataset.table.Put}.
     */
    public Put add(byte[] column, long value) {
        return add(column, Bytes.toBytes(value));
    }

    /**
     * Write at least one value in a column of a row.
     * @param row Row to write to.
     * @param column Column to write to.
     * @param value Value to write.
     */
    public Put(byte[] row, byte[] column, float value) {
        this(row);
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column Column to write to.
     * @param value Value to write.
     * @return Instance of this {@link co.cask.cdap.api.dataset.table.Put}.
     */
    public Put add(byte[] column, float value) {
        return add(column, Bytes.toBytes(value));
    }

    /**
     * Write at least one value in a column of a row.
     * @param row Row to write to.
     * @param column Column to write to.
     * @param value Value to write.
     */
    public Put(byte[] row, byte[] column, double value) {
        this(row);
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column column to write to
     * @param value value to write
     * @return instance of this {@link co.cask.cdap.api.dataset.table.Put}
     */
    public Put add(byte[] column, double value) {
        return add(column, Bytes.toBytes(value));
    }

    // key & column as String

    /**
     * Write to a row.
     * @param row row to write to
     */
    public Put(String row) {
        this(Bytes.toBytes(row));
    }

    /**
     * Write at least one value in a column of a row.
     * @param row row to write to
     * @param column column to write to
     * @param value value to write
     */
    public Put(String row, String column, byte[] value) {
        this(Bytes.toBytes(row));
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column column to write to
     * @param value value to write
     * @return instance of this {@link co.cask.cdap.api.dataset.table.Put}
     */
    public Put add(String column, byte[] value) {
        return add(Bytes.toBytes(column), value);
    }

    /**
     * Write at least one value in a column of a row.
     * @param row row to write to
     * @param column column to write to
     * @param value value to write
     */
    public Put(String row, String column, String value) {
        this(Bytes.toBytes(row));
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column column to write to
     * @param value value to write
     * @return instance of this {@link co.cask.cdap.api.dataset.table.Put}
     */
    public Put add(String column, String value) {
        return add(Bytes.toBytes(column), Bytes.toBytes(value));
    }

    /**
     * Write at least one value in a column of a row.
     * @param row row to write to
     * @param column column to write to
     * @param value value to write
     */
    public Put(String row, String column, boolean value) {
        this(Bytes.toBytes(row));
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column column to write to
     * @param value value to write
     * @return instance of this {@link co.cask.cdap.api.dataset.table.Put}
     */
    public Put add(String column, boolean value) {
        return add(Bytes.toBytes(column), Bytes.toBytes(value));
    }

    /**
     * Write at least one value in a column of a row.
     * @param row row to write to
     * @param column column to write to
     * @param value value to write
     */
    public Put(String row, String column, short value) {
        this(Bytes.toBytes(row));
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column column to write to
     * @param value value to write
     * @return instance of this {@link co.cask.cdap.api.dataset.table.Put}
     */
    public Put add(String column, short value) {
        return add(Bytes.toBytes(column), Bytes.toBytes(value));
    }

    /**
     * Write at least one value in a column of a row.
     * @param row row to write to
     * @param column column to write to
     * @param value value to write
     */
    public Put(String row, String column, int value) {
        this(Bytes.toBytes(row));
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column column to write to
     * @param value value to write
     * @return instance of this {@link co.cask.cdap.api.dataset.table.Put}
     */
    public Put add(String column, int value) {
        return add(Bytes.toBytes(column), Bytes.toBytes(value));
    }

    /**
     * Write at least one value in a column of a row.
     * @param row row to write to
     * @param column column to write to
     * @param value value to write
     */
    public Put(String row, String column, long value) {
        this(Bytes.toBytes(row));
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column column to write to
     * @param value value to write
     * @return instance of this {@link co.cask.cdap.api.dataset.table.Put}
     */
    public Put add(String column, long value) {
        return add(Bytes.toBytes(column), Bytes.toBytes(value));
    }

    /**
     * Write at least one value in a column of a row.
     * @param row row to write to
     * @param column column to write to
     * @param value value to write
     */
    public Put(String row, String column, float value) {
        this(Bytes.toBytes(row));
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column column to write to
     * @param value value to write
     * @return instance of this {@link co.cask.cdap.api.dataset.table.Put}
     */
    public Put add(String column, float value) {
        return add(Bytes.toBytes(column), Bytes.toBytes(value));
    }

    /**
     * Write at least one value in a column of row.
     * @param row row to write to
     * @param column column to write to
     * @param value value to write
     */
    public Put(String row, String column, double value) {
        this(Bytes.toBytes(row));
        add(column, value);
    }

    /**
     * Write a value to a column.
     * @param column column to write to
     * @param value value to write
     * @return instance of this {@link co.cask.cdap.api.dataset.table.Put}
     */
    public Put add(String column, double value) {
        return add(Bytes.toBytes(column), Bytes.toBytes(value));
    }
}