/*
* 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.apache.jackrabbit.core.query.lucene;
import org.apache.jackrabbit.core.session.SessionContext;
import org.apache.jackrabbit.spi.Path;
import org.apache.jackrabbit.spi.commons.query.qom.ColumnImpl;
import org.apache.lucene.search.Query;
import javax.jcr.RepositoryException;
import java.io.IOException;
/**
* <code>SingleColumnQueryResult</code> implements a query result that returns
* a single column. That is, executes a lucene query.
*/
public class SingleColumnQueryResult extends QueryResultImpl {
/**
* The query to execute.
*/
private final Query query;
/**
* The relative paths of properties to use for ordering the result set.
*/
protected final Path[] orderProps;
/**
* The order specifier for each of the order properties.
*/
protected final boolean[] orderSpecs;
/**
* Function for each of the order properties (or <code>null</code> if none).
*/
private String[] orderFuncs;
public SingleColumnQueryResult(
SearchIndex index, SessionContext sessionContext,
AbstractQueryImpl queryImpl, Query query,
SpellSuggestion spellSuggestion, ColumnImpl[] columns,
Path[] orderProps, boolean[] orderSpecs, String[] orderFuncs, boolean documentOrder,
long offset, long limit) throws RepositoryException {
super(index, sessionContext, queryImpl, spellSuggestion,
columns, documentOrder, offset, limit);
this.query = query;
this.orderProps = orderProps;
this.orderSpecs = orderSpecs;
this.orderFuncs = orderFuncs;
// if document order is requested get all results right away
getResults(docOrder ? Integer.MAX_VALUE : index.getResultFetchSize());
}
/**
* {@inheritDoc}
*/
protected MultiColumnQueryHits executeQuery(long resultFetchHint)
throws IOException {
return index.executeQuery(
sessionContext.getSessionImpl(), queryImpl, query,
orderProps, orderSpecs, orderFuncs, resultFetchHint);
}
/**
* {@inheritDoc}
*/
protected ExcerptProvider createExcerptProvider() throws IOException {
return index.createExcerptProvider(query);
}
}