/*
* 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.
*/
package org.exoplatform.services.jcr.impl.core.query.lucene;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.Query;
import java.io.IOException;
import java.util.Set;
/**
* <code>LocalNameQuery</code> implements a query for the local name of a node.
*/
public class LocalNameQuery extends Query {
/**
* The serial version UID
*/
private static final long serialVersionUID = 235655337620030844L;
/**
* The local name of a node.
*/
private final String localName;
/**
* The index format version.
*/
private final IndexFormatVersion version;
/**
* Creates a new <code>LocalNameQuery</code> for the given
* <code>localName</code>.
*
* @param localName the local name of a node.
* @param version the version of the index.
*/
public LocalNameQuery(String localName, IndexFormatVersion version) {
this.localName = localName;
this.version = version;
}
/**
* {@inheritDoc}
*/
public Query rewrite(IndexReader reader) throws IOException {
if (version.getVersion() >= IndexFormatVersion.V3.getVersion()) {
return new JcrTermQuery(new Term(FieldNames.LOCAL_NAME, localName));
} else {
throw new IOException("LocalNameQuery requires IndexFormatVersion V3");
}
}
/**
* {@inheritDoc}
*/
public void extractTerms(Set<Term> terms) {
}
/**
* {@inheritDoc}
*/
public String toString(String field) {
return "local-name() = " + localName;
}
}