X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/builders/MatchAllDocsQueryNodeBuilder.java?ds=sidebyside diff --git a/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/builders/MatchAllDocsQueryNodeBuilder.java b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/builders/MatchAllDocsQueryNodeBuilder.java new file mode 100644 index 0000000..3b4cdb2 --- /dev/null +++ b/lucene-java-3.5.0/lucene/contrib/queryparser/src/java/org/apache/lucene/queryParser/standard/builders/MatchAllDocsQueryNodeBuilder.java @@ -0,0 +1,52 @@ +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.messages.MessageImpl; +import org.apache.lucene.queryParser.core.QueryNodeException; +import org.apache.lucene.queryParser.core.messages.QueryParserMessages; +import org.apache.lucene.queryParser.core.nodes.MatchAllDocsQueryNode; +import org.apache.lucene.queryParser.core.nodes.QueryNode; +import org.apache.lucene.queryParser.standard.parser.EscapeQuerySyntaxImpl; +import org.apache.lucene.search.MatchAllDocsQuery; + +/** + * Builds a {@link MatchAllDocsQuery} object from a + * {@link MatchAllDocsQueryNode} object. + */ +public class MatchAllDocsQueryNodeBuilder implements StandardQueryBuilder { + + public MatchAllDocsQueryNodeBuilder() { + // empty constructor + } + + public MatchAllDocsQuery build(QueryNode queryNode) throws QueryNodeException { + + // validates node + if (!(queryNode instanceof MatchAllDocsQueryNode)) { + throw new QueryNodeException(new MessageImpl( + QueryParserMessages.LUCENE_QUERY_CONVERSION_ERROR, queryNode + .toQueryString(new EscapeQuerySyntaxImpl()), queryNode.getClass() + .getName())); + } + + return new MatchAllDocsQuery(); + + } + +}