/*
* 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.performance;
import java.util.Random;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
/**
* A {@link ConcurrentReadTest} with a single writer thread that continuously
* updates the nodes being accessed by the readers.
*/
public class ConcurrentReadWriteTest extends ConcurrentReadTest {
public void beforeSuite() throws Exception {
super.beforeSuite();
addBackgroundJob(new Writer());
}
private class Writer implements Runnable {
private final Session session = loginWriter();
private final Random random = new Random();
private long count = 0;
public void run() {
try {
int i = random.nextInt(NODE_COUNT);
int j = random.nextInt(NODE_COUNT);
Node node = session.getRootNode().getNode(
"testroot/node" + i + "/node" + j);
node.setProperty("count", count++);
session.save();
} catch (RepositoryException e) {
throw new RuntimeException(e);
}
}
}
}