1 package org.apache.lucene.queryParser.core.nodes;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
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14 * distributed under the License is distributed on an "AS IS" BASIS,
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16 * See the License for the specific language governing permissions and
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20 import org.apache.lucene.queryParser.core.parser.EscapeQuerySyntax;
23 * A {@link MatchAllDocsQueryNode} indicates that a query node tree or subtree
24 * will match all documents if executed in the index.
26 public class MatchAllDocsQueryNode extends QueryNodeImpl {
28 private static final long serialVersionUID = -7050381275423477809L;
30 public MatchAllDocsQueryNode() {
35 public String toString() {
36 return "<matchAllDocs field='*' term='*'/>";
39 public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser) {
44 public MatchAllDocsQueryNode cloneTree() throws CloneNotSupportedException {
45 MatchAllDocsQueryNode clone = (MatchAllDocsQueryNode) super.cloneTree();