Package com.clearnlp.nlp.engine

Source Code of com.clearnlp.nlp.engine.NLPTrain

/**
* Copyright (c) 2009/09-2012/08, Regents of the University of Colorado
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
*    list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
*    this list of conditions and the following disclaimer in the documentation
*    and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Copyright 2012/09-2013/04, 2013/11-Present, University of Massachusetts Amherst
* Copyright 2013/05-2013/10, IPSoft 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 com.clearnlp.nlp.engine;

import java.io.FileInputStream;

import org.kohsuke.args4j.Option;
import org.w3c.dom.Element;

import com.clearnlp.classification.feature.JointFtrXml;
import com.clearnlp.nlp.NLPLib;
import com.clearnlp.nlp.train.AbstractNLPTrainer;
import com.clearnlp.nlp.train.DEPTrainer;
import com.clearnlp.nlp.train.POSTrainer;
import com.clearnlp.nlp.train.PredTrainer;
import com.clearnlp.nlp.train.RoleTrainer;
import com.clearnlp.nlp.train.SRLTrainer;
import com.clearnlp.util.UTFile;
import com.clearnlp.util.UTXml;

/**
* @since 2.0.0
* @author Jinho D. Choi ({@code jdchoi77@gmail.com})
*/
public class NLPTrain extends AbstractNLPTrain
{
  @Option(name="-m", usage="model directory (output; required)", required=true, metaVar="<dirpath>")
  protected String s_modelDir;
 
  public NLPTrain()
  {
    super();
  }
 
  public NLPTrain(String[] args)
  {
    super(args);
    train(s_configFile, s_featureFiles.split(DELIM_FILENAME), s_trainDir, s_modelDir);
  }
 
  public void train(String configFile, String[] featureFiles, String trainDir, String modelDir)
  {
    AbstractNLPTrainer trainer = getTrainer(s_mode);
    String[] trainFiles = UTFile.getSortedFileListBySize(trainDir, ".*", true);
   
    try
    {
      Element eConfig = UTXml.getDocumentElement(new FileInputStream(configFile));
      JointFtrXml[] xmls = getFeatureTemplates(featureFiles);
      trainer.train(eConfig, xmls, trainFiles, modelDir);
    }
    catch (Exception e) {e.printStackTrace();}   
  }

  public AbstractNLPTrainer getTrainer(String mode)
  {
    switch (mode)
    {
    case NLPLib.MODE_POS : return new POSTrainer();
    case NLPLib.MODE_DEP : return new DEPTrainer();
    case NLPLib.MODE_PRED: return new PredTrainer();
    case NLPLib.MODE_ROLE: return new RoleTrainer();
    case NLPLib.MODE_SRL : return new SRLTrainer();
    }

    throw new IllegalArgumentException("The requested mode '"+mode+"' is not supported.");
  }
 
  static public void main(String[] args)
  {
    new NLPTrain(args);
  }
}
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