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This is the highlighter for apache lucene 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.lucene.search.vectorhighlight;

import java.util.List;

import org.apache.lucene.search.vectorhighlight.FieldFragList.WeightedFragInfo;

/**
 * A simple implementation of FragmentsBuilder.
 *
 */
public class SimpleFragmentsBuilder extends BaseFragmentsBuilder {

  /**
   * a constructor.
   */
  public SimpleFragmentsBuilder() {
    super();
  }

  /**
   * a constructor.
   * 
   * @param preTags array of pre-tags for markup terms.
   * @param postTags array of post-tags for markup terms.
   */
  public SimpleFragmentsBuilder( String[] preTags, String[] postTags ) {
    super( preTags, postTags );
  }

  public SimpleFragmentsBuilder( BoundaryScanner bs ) {
    super( bs );
  }

  public SimpleFragmentsBuilder( String[] preTags, String[] postTags, BoundaryScanner bs ) {
    super( preTags, postTags, bs );
  }

  /**
   * do nothing. return the source list.
   */
  @Override
  public List getWeightedFragInfoList( List src ) {
    return src;
  }
}