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Lucene example source code file (MatchAllDocsQueryNode.java)
The Lucene MatchAllDocsQueryNode.java source codepackage 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 org.apache.lucene.queryParser.core.parser.EscapeQuerySyntax; /** * A {@link MatchAllDocsQueryNode} indicates that a query node tree or subtree * will match all documents if executed in the index. */ public class MatchAllDocsQueryNode extends QueryNodeImpl { private static final long serialVersionUID = -7050381275423477809L; public MatchAllDocsQueryNode() { // empty constructor } @Override public String toString() { return "<matchAllDocs field='*' term='*'/>"; } public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser) { return "*:*"; } @Override public MatchAllDocsQueryNode cloneTree() throws CloneNotSupportedException { MatchAllDocsQueryNode clone = (MatchAllDocsQueryNode) super.cloneTree(); // nothing to clone return clone; } } Other Lucene examples (source code examples)Here is a short list of links related to this Lucene MatchAllDocsQueryNode.java source code file: |
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