org.apache.mahout.feature.mrmr.common.commandline.DefaultOptionCreator.java Source code

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Here is the source code for org.apache.mahout.feature.mrmr.common.commandline.DefaultOptionCreator.java

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/* Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.mahout.feature.mrmr.common.commandline;

import org.apache.commons.cli2.builder.ArgumentBuilder;
import org.apache.commons.cli2.builder.DefaultOptionBuilder;

public final class DefaultOptionCreator {

    public static final String TARGET_COLUMN = "target";
    public static final String TARGET_INDEX = "targetIndex";
    public static final String ROW_NUMBER = "numRows";
    public static final String COLUMN_NUMBER = "numCols";
    public static final String FEATURE_NUMBER = "numFeature";

    public static DefaultOptionBuilder targetColumnOption() {
        return new DefaultOptionBuilder().withLongName(TARGET_COLUMN).withRequired(true).withShortName("t")
                .withArgument(new ArgumentBuilder().withName(TARGET_COLUMN).withDefault("1").withMinimum(1)
                        .withMaximum(1).create())
                .withDescription("The column number of the target class");
    }

    public static DefaultOptionBuilder rowNumberOption() {
        return new DefaultOptionBuilder().withLongName(ROW_NUMBER).withRequired(true).withShortName("nr")
                .withArgument(new ArgumentBuilder().withName(ROW_NUMBER).withMinimum(1).withMaximum(1).create())
                .withDescription("Number of rows in the dataset");
    }

    public static DefaultOptionBuilder columnNumberOption() {
        return new DefaultOptionBuilder().withLongName(COLUMN_NUMBER).withRequired(true).withShortName("nc")
                .withArgument(new ArgumentBuilder().withName(COLUMN_NUMBER).withMinimum(1).withMaximum(1).create())
                .withDescription("Number of columns in the dataset");
    }

    public static DefaultOptionBuilder featureNumberOption() {
        return new DefaultOptionBuilder().withLongName(FEATURE_NUMBER).withRequired(true).withShortName("nf")
                .withArgument(new ArgumentBuilder().withName(FEATURE_NUMBER).withMinimum(1).withMaximum(1).create())
                .withDescription("Number of feature to select");
    }
}