/*
* 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;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import java.util.Random;
import java.util.concurrent.TimeUnit;
import javax.jcr.Node;
import javax.jcr.Property;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.Value;
import org.apache.jackrabbit.test.AbstractJCRTest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* <code>ReplacePropertyWhileOthersReadTest</code>...
*/
public class ReplacePropertyWhileOthersReadTest extends AbstractJCRTest {
private static final Logger log = LoggerFactory.getLogger(ReplacePropertyWhileOthersReadTest.class);
private final List<Value> values = new ArrayList<Value>();
private Node test;
private final Random rand = new Random();
@Override
protected void setUp() throws Exception {
super.setUp();
test = testRootNode.addNode("test");
test.addMixin(mixReferenceable);
superuser.save();
values.add(vf.createValue("value"));
values.add(vf.createValue(new BigDecimal(1234)));
values.add(vf.createValue(Calendar.getInstance()));
values.add(vf.createValue(1.234));
values.add(vf.createValue(true));
values.add(vf.createValue(test));
values.add(vf.createValue(vf.createBinary(
new ByteArrayInputStream(new byte[0]))));
}
@Override
protected void tearDown() throws Exception {
test = null;
values.clear();
super.tearDown();
}
public void testAddRemove() throws Exception {
final Property prop = test.setProperty("prop", getRandomValue());
superuser.save();
Thread reader = new Thread(new Runnable() {
String path = prop.getPath();
public void run() {
// run for three seconds
long stop = System.currentTimeMillis()
+ TimeUnit.SECONDS.toMillis(3);
while (System.currentTimeMillis() < stop) {
try {
Session s = getHelper().getSuperuserSession();
try {
s.getProperty(path);
} finally {
s.logout();
}
} catch (RepositoryException e) {
log.warn("", e);
}
}
}
});
Tail tail = Tail.start(new File("target", "jcr.log"),
"overwriting cached entry");
try {
reader.start();
while (reader.isAlive()) {
test.getProperty("prop").remove();
int type;
boolean isMultivalued;
if (rand.nextBoolean()) {
Value v = getRandomValue();
isMultivalued = false;
type = v.getType();
test.setProperty("prop", v);
} else {
Value[] v = getRandomMultiValue();
type = v[0].getType();
isMultivalued = true;
test.setProperty("prop", v);
}
superuser.save();
assertEquals(isMultivalued, test.getProperty("prop").isMultiple());
assertEquals(type, test.getProperty("prop").getType());
}
assertFalse("detected 'overwriting cached entry' messages in log",
tail.getLines().iterator().hasNext());
} finally {
tail.close();
}
}
private Value getRandomValue() {
return values.get(rand.nextInt(values.size()));
}
private Value[] getRandomMultiValue() {
return new Value[]{getRandomValue()};
}
}