/*
* 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;
import javax.jcr.RepositoryException;
import javax.jcr.Node;
import javax.jcr.NodeIterator;
import javax.jcr.query.Query;
import javax.jcr.query.RowIterator;
import javax.jcr.query.QueryResult;
import org.apache.jackrabbit.core.query.lucene.SearchIndex;
/**
* <code>LargeResultSetTest</code>...
*/
public class LargeResultSetTest extends AbstractQueryTest {
public void testResultSet() throws RepositoryException {
createNodes(testRootNode, 10, 5, 0);
superuser.save();
SearchIndex index = getSearchIndex();
int resultFetchSize = index.getResultFetchSize();
try {
String stmt = testPath + "//*[@" + jcrPrimaryType + "] order by @jcr:score descending";
// with result fetch size Integer.MAX_VALUE
readResult(executeQuery(stmt));
// with result fetch size 100
index.setResultFetchSize(100);
readResult(executeQuery(stmt));
// with 100 limit
QueryImpl query = (QueryImpl) qm.createQuery(stmt, Query.XPATH);
query.setLimit(100);
readResult(query.execute());
} finally {
index.setResultFetchSize(resultFetchSize);
}
for (NodeIterator it = testRootNode.getNodes(); it.hasNext(); ) {
it.nextNode().remove();
superuser.save();
}
}
private void readResult(QueryResult result) throws RepositoryException {
for (RowIterator rows = result.getRows(); rows.hasNext(); ) {
rows.nextRow();
}
}
private int createNodes(Node n, int nodesPerLevel, int levels, int count)
throws RepositoryException {
levels--;
for (int i = 0; i < nodesPerLevel; i++) {
Node child = n.addNode("node" + i);
count++;
if (count % 10000 == 0) {
superuser.save();
}
if (levels > 0) {
count = createNodes(child, nodesPerLevel, levels, count);
}
}
return count;
}
}