region.put(KEY, VALUE1);
assertEquals(VALUE1, region.get(KEY));
final Fqn rootFqn = getRegionFqn(getStandardRegionName(REGION_PREFIX), REGION_PREFIX);
final Cache jbc = getJBossCache(regionFactory);
final CountDownLatch blockerLatch = new CountDownLatch(1);
final CountDownLatch writerLatch = new CountDownLatch(1);
final CountDownLatch completionLatch = new CountDownLatch(1);
final ExceptionHolder holder = new ExceptionHolder();
Thread blocker = new Thread() {
public void run() {
Fqn toBlock = new Fqn(rootFqn, KEY);
GetBlocker blocker = new GetBlocker(blockerLatch,toBlock);
try {
jbc.addCacheListener(blocker);
BatchModeTransactionManager.getInstance().begin();
region.get(KEY);
BatchModeTransactionManager.getInstance().commit();
}
catch (Exception e) {
holder.e1 = e;
rollback();
}
finally {
jbc.removeCacheListener(blocker);
}
}
};
Thread writer = new Thread() {
public void run() {
try {
writerLatch.await();
BatchModeTransactionManager.getInstance().begin();
region.put(KEY, VALUE2);
BatchModeTransactionManager.getInstance().commit();
}
catch (Exception e) {
holder.e2 = e;
rollback();
}
finally {
completionLatch.countDown();
}
}
};
blocker.setDaemon(true);
writer.setDaemon(true);
boolean unblocked = false;
try {
blocker.start();
writer.start();
assertFalse("Blocker is blocking", completionLatch.await(100, TimeUnit.MILLISECONDS));
// Start the writer
writerLatch.countDown();
assertTrue("Writer finished promptly", completionLatch.await(100, TimeUnit.MILLISECONDS));
blockerLatch.countDown();
unblocked = true;
if ("PESSIMISTIC".equals(jbc.getConfiguration().getNodeLockingSchemeString())
&& "REPEATABLE_READ".equals(jbc.getConfiguration().getIsolationLevelString())) {
assertEquals(VALUE1, region.get(KEY));
}
else {
assertEquals(VALUE2, region.get(KEY));
}