@Test
public void testSlaveToMaster() throws Exception {
_clusterSchedulerEngine = _getClusterSchedulerEngine(false, 2, 0);
Assert.assertFalse(_isMaster(_clusterSchedulerEngine));
Map<String, SchedulerResponse> schedulerResponseMap =
_getMemoryClusteredJobs(_clusterSchedulerEngine);
Assert.assertEquals(2, schedulerResponseMap.size());
String newMaster =
AddressSerializerUtil.serialize(ClusterExecutorUtil.getLocalClusterNodeAddress());
MockLockLocalService.setLock(newMaster);
Assert.assertTrue(_isMaster(_clusterSchedulerEngine));
_clusterSchedulerEngine.pause(_TEST_JOB_NAME_0, _MEMORY_CLUSTER_TEST_GROUP_NAME);
_clusterSchedulerEngine.getScheduledJobs();
schedulerResponseMap = _getMemoryClusteredJobs(_clusterSchedulerEngine);
Assert.assertTrue(schedulerResponseMap.isEmpty());
}
private ClusterSchedulerEngine _getClusterSchedulerEngine(
boolean master, int memoryClusterJobs, int persistentJobs) throws Exception {
MockSchedulerEngine mockSchedulerEngine =
new MockSchedulerEngine(memoryClusterJobs, persistentJobs);
MockClusterExecutor mockClusterExecutor = new MockClusterExecutor(true, mockSchedulerEngine);
ClusterExecutorUtil clusterExecutorUtil = new ClusterExecutorUtil();
clusterExecutorUtil.setClusterExecutor(mockClusterExecutor);
ClusterSchedulerEngine clusterSchedulerEngine = new ClusterSchedulerEngine(mockSchedulerEngine);
Address masterAddress = null;
if (master) {
masterAddress = ClusterExecutorUtil.getLocalClusterNodeAddress();
} else {
masterAddress = MockClusterExecutor._anotherAddress;
}
MockLockLocalService.setLock(AddressSerializerUtil.serialize(masterAddress));
SchedulerEngineHelperImpl schedulerEngineHelperImpl = new SchedulerEngineHelperImpl();
schedulerEngineHelperImpl.setSchedulerEngine(clusterSchedulerEngine);
SchedulerEngineHelperUtil schedulerEngineHelperUtil = new SchedulerEngineHelperUtil();
schedulerEngineHelperUtil.setSchedulerEngineHelper(schedulerEngineHelperImpl);
clusterSchedulerEngine.initialize();
clusterSchedulerEngine.start();
return clusterSchedulerEngine;
}
public void run() {
_countDownLatch.countDown();
String logPrefix = StringPool.BLANK;
if (_log.isInfoEnabled()) {
Thread currentThread = Thread.currentThread();
if (_master) {
logPrefix =
"Monitor thread name "
+ currentThread.getName()
+ " with thread ID "
+ currentThread.getId();
} else {
logPrefix =
"Thread name " + currentThread.getName() + " with thread ID " + currentThread.getId();
}
}
if (!_master && _log.isInfoEnabled()) {
_log.info(logPrefix + " synchronized on latch. Waiting for others.");
}
try {
if (_master) {
_countDownLatch.await();
} else {
boolean result =
_countDownLatch.await(
PropsValues.LUCENE_CLUSTER_INDEX_LOADING_SYNC_TIMEOUT, TimeUnit.MILLISECONDS);
if (!result) {
_log.error(
logPrefix + " timed out. You may need to " + "re-trigger a reindex process.");
}
}
} catch (InterruptedException ie) {
if (_master) {
_log.error(
logPrefix + " was interrupted. Skip cluster index " + "loading notification.", ie);
return;
} else {
_log.error(
logPrefix + " was interrupted. You may need to " + "re-trigger a reindex process.",
ie);
}
}
if (_master) {
Address localClusterNodeAddress = ClusterExecutorUtil.getLocalClusterNodeAddress();
ClusterRequest clusterRequest =
ClusterRequest.createMulticastRequest(
new MethodHandler(
_loadIndexesFromClusterMethodKey, _companyIds, localClusterNodeAddress),
true);
try {
ClusterExecutorUtil.execute(clusterRequest);
} catch (SystemException se) {
_log.error("Unable to notify peers to start index loading", se);
}
if (_log.isInfoEnabled()) {
_log.info(logPrefix + " unlocked latch. Notified peers to " + "start index loading.");
}
}
}