Package org.apache.lucene.xmlparser

Source Code of org.apache.lucene.xmlparser.CorePlusExtensionsParser

package org.apache.lucene.xmlparser;

import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.xmlparser.builders.BooleanFilterBuilder;
import org.apache.lucene.xmlparser.builders.BoostingQueryBuilder;
import org.apache.lucene.xmlparser.builders.DuplicateFilterBuilder;
import org.apache.lucene.xmlparser.builders.FuzzyLikeThisQueryBuilder;
import org.apache.lucene.xmlparser.builders.LikeThisQueryBuilder;
import org.apache.lucene.xmlparser.builders.TermsFilterBuilder;
/**
* 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.
*/

/**
*
*/
public class CorePlusExtensionsParser extends CoreParser
{

  /**
   * Construct an XML parser that uses a single instance QueryParser for handling
   * UserQuery tags - all parse operations are synchronized on this parser
   * @param analyzer
   * @param parser A QueryParser which will be synchronized on during parse calls.
   */
  public CorePlusExtensionsParser(Analyzer analyzer, QueryParser parser)
  {
    this(null,analyzer, parser);
  }
  /**
   * Constructs an XML parser that creates a QueryParser for each UserQuery request.
   * @param defaultField The default field name used by QueryParsers constructed for UserQuery tags
   * @param analyzer
   */
  public CorePlusExtensionsParser(String defaultField,Analyzer analyzer)
  {
    this(defaultField,analyzer, null);
  }

  private CorePlusExtensionsParser(String defaultField,Analyzer analyzer, QueryParser parser)
  {
    super(defaultField,analyzer, parser);
    filterFactory.addBuilder("TermsFilter",new TermsFilterBuilder(analyzer));
    filterFactory.addBuilder("BooleanFilter",new BooleanFilterBuilder(filterFactory));
    filterFactory.addBuilder("DuplicateFilter",new DuplicateFilterBuilder());
    String fields[]={"contents"};
    queryFactory.addBuilder("LikeThisQuery",new LikeThisQueryBuilder(analyzer,fields));
    queryFactory.addBuilder("BoostingQuery", new BoostingQueryBuilder(queryFactory));
    queryFactory.addBuilder("FuzzyLikeThisQuery", new FuzzyLikeThisQueryBuilder(analyzer));
   
  }
}
TOP

Related Classes of org.apache.lucene.xmlparser.CorePlusExtensionsParser

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.