PooledTokenNameFinderModel.java

/*
 * Copyright 2008-2011 Grant Ingersoll, Thomas Morton and Drew Farris
 *
 *    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.
 * -------------------
 * To purchase or learn more about Taming Text, by Grant Ingersoll, Thomas Morton and Drew Farris, visit
 * http://www.manning.com/ingersoll
 */
package org.elasticsearch.service.opennlp.models;

import java.io.IOException;
import java.io.InputStream;
import java.util.Map;

import opennlp.model.AbstractModel;
import opennlp.tools.namefind.TokenNameFinderModel;
import opennlp.tools.util.InvalidFormatException;
import opennlp.tools.util.model.ArtifactSerializer;

/** A variant of {@link opennlp.tools.namefind.TokenNameFinderModel} that will
 *  use <code>intern()</code> when reading strings from the model files via 
 *  {@link PooledGenericModelSerializer}.
 *  <p>
 *  The assumption here is that there is enough duplication in the strings in
 *  multiple models being loaded that we will benefit from maintaining only a 
 *  single copy of each string.
 *
 */
public class PooledTokenNameFinderModel extends TokenNameFinderModel {
  
  public PooledTokenNameFinderModel(InputStream in) throws IOException,
      InvalidFormatException {
    super(in);
  }
  
  public PooledTokenNameFinderModel(String languageCode,
      AbstractModel nameFinderModel, Map<String,Object> resources,
      Map<String,String> manifestInfoEntries) {
    super(languageCode, nameFinderModel, resources, manifestInfoEntries);
  }
  
  public PooledTokenNameFinderModel(String languageCode,
      AbstractModel nameFinderModel, byte[] generatorDescriptor,
      Map<String,Object> resources, Map<String,String> manifestInfoEntries) {
    super(languageCode, nameFinderModel, generatorDescriptor, resources,
        manifestInfoEntries);
  }

  @SuppressWarnings("rawtypes")
  @Override
  protected void createArtifactSerializers(
      Map<String,ArtifactSerializer> serializers) {
    super.createArtifactSerializers(serializers);
    
    PooledGenericModelSerializer.register(serializers);
  }
}