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Lucene example source code file (TestQueryNode.java)

This example Lucene source code file (TestQueryNode.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

a, a, b, booleanquerynode, exception, exception, fieldquerynode, fieldquerynode, lucenetestcase, object, querynode, querynode, tag, testquerynode, util

The Lucene TestQueryNode.java source code

package org.apache.lucene.queryParser.core.nodes;

/**
 * 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 java.util.Arrays;

import org.apache.lucene.util.LuceneTestCase;

public class TestQueryNode extends LuceneTestCase {
 
  /* LUCENE-2227 bug in QueryNodeImpl.add() */
  public void testAddChildren() throws Exception {
    FieldQueryNode nodeA = new FieldQueryNode("foo", "A", 0, 1);
    FieldQueryNode nodeB = new FieldQueryNode("foo", "B", 1, 2);
    BooleanQueryNode bq = new BooleanQueryNode(
        Arrays.asList(new QueryNode[] { nodeA }));
    bq.add(Arrays.asList(new QueryNode[] { nodeB }));
    assertEquals(2, bq.getChildren().size());
  }
  
  /* LUCENE-3045 bug in QueryNodeImpl.containsTag(String key)*/
  public void testTags() throws Exception {
    QueryNode node = new FieldQueryNode("foo", "A", 0, 1);
    
    node.setTag("TaG", new Object());
    assertTrue(node.getTagMap().size() > 0);
    assertTrue(node.containsTag("tAg"));
    assertTrue(node.getTag("tAg") != null);
    
  }
  
}

Other Lucene examples (source code examples)

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