/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/search/trunk/search-impl/impl/src/test/org/sakaiproject/search/indexer/impl/test/SequenceGeneratorDisabled.java $
* $Id: SequenceGeneratorDisabled.java 105078 2012-02-24 23:00:38Z ottenhoff@longsight.com $
***********************************************************************************
*
* Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008 The Sakai Foundation
*
* Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.search.indexer.impl.test;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import junit.framework.TestCase;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.search.transaction.impl.TransactionSequenceImpl;
/**
* @author ieb
*/
public class SequenceGeneratorDisabled extends TestCase
{
protected static final Log log = LogFactory.getLog(SequenceGeneratorDisabled.class);
private TransactionSequenceImpl sequenceGenerator;
private ConcurrentHashMap<Long, Long> m = new ConcurrentHashMap<Long, Long>();
private int nt;
protected long fail;
private TDataSource tds;
private long last;
/**
* @param name
*/
public SequenceGeneratorDisabled(String name)
{
super(name);
}
/*
* (non-Javadoc)
*
* @see junit.framework.TestCase#setUp()
*/
protected void setUp() throws Exception
{
super.setUp();
tds = new TDataSource(30,false);
sequenceGenerator = new TransactionSequenceImpl();
sequenceGenerator.setDatasource(tds.getDataSource());
sequenceGenerator.setName("testsequeence");
sequenceGenerator.init();
}
/*
* (non-Javadoc)
*
* @see junit.framework.TestCase#tearDown()
*/
protected void tearDown() throws Exception
{
tds.close();
super.tearDown();
}
/**
* Test method for
* {@link org.sakaiproject.search.transaction.impl.TransactionSequenceImpl#getNextId()}.
*/
public final void testGetNextId()
{
log.info("================================== "+this.getClass().getName()+".testGetNextId");
nt = 0;
fail = 0;
final ConcurrentHashMap<Long, Long> m = new ConcurrentHashMap<Long, Long>();
for (int i = 0; i < 20; i++)
{
Thread t = new Thread(new Runnable()
{
public void run()
{
try
{
nt++;
long n = 0;
Map<Long, Long> seq = new HashMap<Long, Long>();
for (int i = 0; i < 1000; i++)
{
n = sequenceGenerator.getNextId();
if (seq.get(n) != null)
{
fail = n;
fail("Local clash on " + n);
}
seq.put(n, n);
}
log.debug("Last " + n);
for (long nx : seq.values())
{
if (m.get(nx) != null)
{
fail = nx;
fail("Concurrent clash on " + nx);
}
m.put(nx, nx);
}
}
finally
{
nt--;
}
}
});
t.start();
}
while (nt > 0)
{
if (fail != 0)
{
fail("Failed with clash on " + fail);
}
Thread.yield();
}
log.info("==PASSED========================== "+this.getClass().getName()+".testGetNextId");
}
/**
* Test method for
* {@link org.sakaiproject.search.transaction.impl.TransactionSequenceImpl#getNextId()}.
*/
public final void testGetNextIdWrapped()
{
sequenceGenerator.setMinValue(10);
sequenceGenerator.setMaxValue(200);
log.info("================================== "+this.getClass().getName()+".testGetNextId");
nt = 0;
fail = 0;
last = 0;
for (int i = 0; i < 20; i++)
{
Thread t = new Thread(new Runnable()
{
public void run()
{
try
{
nt++;
long n = 0;
long locallast = 0;
Map<Long, Long> seq = new HashMap<Long, Long>();
for (int i = 0; i < 1000; i++)
{
n = sequenceGenerator.getNextId();
if ( n < last ) {
log.debug("Wrapped "+last+":"+n);
m = new ConcurrentHashMap<Long, Long>();
}
if ( n < locallast ) {
log.debug("Wrapped Local"+locallast+":"+n);
seq = new HashMap<Long, Long>();
}
last = n;
locallast = n;
if (seq.get(n) != null)
{
fail = n;
fail("Local clash on " + n);
}
seq.put(n, n);
}
log.debug("Last " + n);
for (long nx : seq.values())
{
if (m.get(nx) != null)
{
fail = nx;
fail("Concurrent clash on " + nx);
}
m.put(nx, nx);
}
}
finally
{
nt--;
}
}
});
t.start();
}
while (nt > 0)
{
if (fail != 0)
{
fail("Failed with clash on " + fail);
}
Thread.yield();
}
log.info("==PASSED========================== "+this.getClass().getName()+".testGetNextId");
}
}