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package org.apache.lucene.queryParser.standard.builders;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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import org.apache.lucene.messages.MessageImpl;
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import org.apache.lucene.queryParser.core.QueryNodeException;
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import org.apache.lucene.queryParser.core.messages.QueryParserMessages;
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import org.apache.lucene.queryParser.core.nodes.MatchAllDocsQueryNode;
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import org.apache.lucene.queryParser.core.nodes.QueryNode;
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import org.apache.lucene.queryParser.standard.parser.EscapeQuerySyntaxImpl;
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import org.apache.lucene.search.MatchAllDocsQuery;
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* Builds a {@link MatchAllDocsQuery} object from a
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* {@link MatchAllDocsQueryNode} object.
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public class MatchAllDocsQueryNodeBuilder implements StandardQueryBuilder {
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public MatchAllDocsQueryNodeBuilder() {
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public MatchAllDocsQuery build(QueryNode queryNode) throws QueryNodeException {
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if (!(queryNode instanceof MatchAllDocsQueryNode)) {
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throw new QueryNodeException(new MessageImpl(
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QueryParserMessages.LUCENE_QUERY_CONVERSION_ERROR, queryNode
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.toQueryString(new EscapeQuerySyntaxImpl()), queryNode.getClass()
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return new MatchAllDocsQuery();