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Lucene example source code file (StandardQueryTreeBuilder.java)

This example Lucene source code file (StandardQueryTreeBuilder.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Lucene tags/keywords

booleanquerynodebuilder, fieldquerynodebuilder, matchnodocsquerynodebuilder, modifierquerynodebuilder, phrasequerynodebuilder, query, query, querynodeexception, querytreebuilder, standardbooleanquerynodebuilder, standardbooleanquerynodebuilder, standardquerytreebuilder, standardquerytreebuilder, wildcardquerynodebuilder

The Lucene StandardQueryTreeBuilder.java source code

package org.apache.lucene.queryParser.standard.builders;

/**
 * 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.
 */

import org.apache.lucene.queryParser.core.QueryNodeException;
import org.apache.lucene.queryParser.core.builders.QueryTreeBuilder;
import org.apache.lucene.queryParser.core.nodes.BooleanQueryNode;
import org.apache.lucene.queryParser.core.nodes.BoostQueryNode;
import org.apache.lucene.queryParser.core.nodes.FieldQueryNode;
import org.apache.lucene.queryParser.core.nodes.FuzzyQueryNode;
import org.apache.lucene.queryParser.core.nodes.GroupQueryNode;
import org.apache.lucene.queryParser.core.nodes.MatchAllDocsQueryNode;
import org.apache.lucene.queryParser.core.nodes.MatchNoDocsQueryNode;
import org.apache.lucene.queryParser.core.nodes.ModifierQueryNode;
import org.apache.lucene.queryParser.core.nodes.QueryNode;
import org.apache.lucene.queryParser.core.nodes.SlopQueryNode;
import org.apache.lucene.queryParser.core.nodes.TokenizedPhraseQueryNode;
import org.apache.lucene.queryParser.standard.nodes.MultiPhraseQueryNode;
import org.apache.lucene.queryParser.standard.nodes.PrefixWildcardQueryNode;
import org.apache.lucene.queryParser.standard.nodes.RangeQueryNode;
import org.apache.lucene.queryParser.standard.nodes.StandardBooleanQueryNode;
import org.apache.lucene.queryParser.standard.nodes.WildcardQueryNode;
import org.apache.lucene.queryParser.standard.processors.StandardQueryNodeProcessorPipeline;
import org.apache.lucene.search.Query;

/**
 * This query tree builder only defines the necessary map to build a
 * {@link Query} tree object. It should be used to generate a {@link Query} tree
 * object from a query node tree processed by a
 * {@link StandardQueryNodeProcessorPipeline}. <br/>
 * 
 * @see QueryTreeBuilder
 * @see StandardQueryNodeProcessorPipeline
 */
public class StandardQueryTreeBuilder extends QueryTreeBuilder implements
    StandardQueryBuilder {

  public StandardQueryTreeBuilder() {
    setBuilder(GroupQueryNode.class, new GroupQueryNodeBuilder());
    setBuilder(FieldQueryNode.class, new FieldQueryNodeBuilder());
    setBuilder(BooleanQueryNode.class, new BooleanQueryNodeBuilder());
    setBuilder(FuzzyQueryNode.class, new FuzzyQueryNodeBuilder());
    setBuilder(BoostQueryNode.class, new BoostQueryNodeBuilder());
    setBuilder(ModifierQueryNode.class, new ModifierQueryNodeBuilder());
    setBuilder(WildcardQueryNode.class, new WildcardQueryNodeBuilder());
    setBuilder(TokenizedPhraseQueryNode.class, new PhraseQueryNodeBuilder());
    setBuilder(MatchNoDocsQueryNode.class, new MatchNoDocsQueryNodeBuilder());
    setBuilder(PrefixWildcardQueryNode.class,
        new PrefixWildcardQueryNodeBuilder());
    setBuilder(RangeQueryNode.class, new RangeQueryNodeBuilder());
    setBuilder(SlopQueryNode.class, new SlopQueryNodeBuilder());
    setBuilder(StandardBooleanQueryNode.class,
        new StandardBooleanQueryNodeBuilder());
    setBuilder(MultiPhraseQueryNode.class, new MultiPhraseQueryNodeBuilder());
    setBuilder(MatchAllDocsQueryNode.class, new MatchAllDocsQueryNodeBuilder());

  }

  @Override
  public Query build(QueryNode queryNode) throws QueryNodeException {
    return (Query) super.build(queryNode);
  }

}

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