public void run() {
__log.debug("Starting process definition reaper thread.");
long pollingTime = 10000;
try {
while (true) {
Thread.sleep(pollingTime);
if (!_mngmtLock.writeLock().tryLock(100L, TimeUnit.MILLISECONDS)) continue;
try {
__log.debug("Kicking reaper, OProcess instances: " + OProcess.instanceCount);
// Copying the runnning process list to avoid synchronization
// problems and a potential mess if a policy modifies the list
List<BpelProcess> candidates = new ArrayList<BpelProcess>(_registeredProcesses);
CollectionsX.remove_if(
candidates,
new MemberOfFunction<BpelProcess>() {
public boolean isMember(BpelProcess o) {
return !o.hintIsHydrated();
}
});
// And the happy winners are...
List<BpelProcess> ripped = _dehydrationPolicy.markForDehydration(candidates);
// Bye bye
for (BpelProcess process : ripped) {
__log.debug("Dehydrating process " + process.getPID());
process.dehydrate();
}
} finally {
_mngmtLock.writeLock().unlock();
}
}
} catch (InterruptedException e) {
__log.debug(e);
}
}
public void unregister(QName pid) throws BpelEngineException {
if (__log.isTraceEnabled()) __log.trace("unregister: " + pid);
try {
_mngmtLock.writeLock().lockInterruptibly();
} catch (InterruptedException ie) {
__log.debug("unregister() interrupted.", ie);
throw new BpelEngineException(__msgs.msgOperationInterrupted());
}
try {
BpelProcess p;
if (_engine != null) {
p = _engine.unregisterProcess(pid);
if (p != null) {
_registeredProcesses.remove(p);
XslTransformHandler.getInstance().clearXSLSheets(p.getProcessType());
__log.info(__msgs.msgProcessUnregistered(pid));
}
}
} catch (Exception ex) {
__log.error(__msgs.msgProcessUnregisterFailed(pid), ex);
throw new BpelEngineException(ex);
} finally {
_mngmtLock.writeLock().unlock();
}
}
private boolean isLazyHydratable(BpelProcess process) {
if (process.isHydrationLazySet()) {
return process.isHydrationLazy();
}
if (!_hydrationLazy) {
return false;
}
return process.getEstimatedHydratedSize() < _hydrationLazyMinimumSize;
}
@SuppressWarnings("unchecked")
public Future invoke(Message request, boolean immediate) {
if (request == null) {
String errmsg = "Must pass non-null message to invoke()!";
__log.fatal(errmsg);
throw new NullPointerException(errmsg);
}
_dao.setRequest(((MessageImpl) request)._dao);
_dao.setStatus(MessageExchange.Status.REQUEST.toString());
if (!processInterceptors(this, InterceptorInvoker.__onBpelServerInvoked)) return null;
BpelProcess target = _process;
if (__log.isDebugEnabled()) __log.debug("invoke() EPR= " + _epr + " ==> " + target);
if (target == null) {
if (__log.isWarnEnabled()) __log.warn(__msgs.msgUnknownEPR("" + _epr));
setCorrelationStatus(MyRoleMessageExchange.CorrelationStatus.UKNOWN_ENDPOINT);
setFailure(MessageExchange.FailureType.UNKNOWN_ENDPOINT, null, null);
return null;
} else {
// Schedule a new job for invocation
JobDetails we = new JobDetails();
we.setType(JobType.INVOKE_INTERNAL);
we.setInMem(target.isInMemory());
we.setProcessId(target.getPID());
we.setMexId(getDAO().getMessageExchangeId());
if (getOperation().getOutput() != null) {
ResponseCallback callback = new ResponseCallback();
_waitingCallbacks.put(getClientId(), callback);
}
setStatus(Status.ASYNC);
Replayer replayer = Replayer.replayer.get();
if (replayer == null) {
if (immediate) _engine.onScheduledJob(we);
else if (target.isInMemory()) _engine._contexts.scheduler.scheduleVolatileJob(true, we);
else _engine._contexts.scheduler.schedulePersistedJob(we, null);
} else {
replayer.scheduler.schedulePersistedJob(we, null);
}
return new ResponseFuture(getClientId());
}
}
public void release(boolean instanceSucceeded) {
if (__log.isDebugEnabled()) __log.debug("Releasing mex " + getMessageExchangeId());
if (_process != null) {
_dao.release(_process.isCleanupCategoryEnabled(instanceSucceeded, CLEANUP_CATEGORY.MESSAGES));
}
_dao = null;
}
public void register(ProcessConf conf) {
if (conf == null)
throw new NullPointerException("must specify non-null process configuration.");
__log.debug("register: " + conf.getProcessId());
// Ok, IO out of the way, we will mod the server state, so need to get a
// lock.
try {
_mngmtLock.writeLock().lockInterruptibly();
} catch (InterruptedException ie) {
__log.debug("register(...) interrupted.", ie);
throw new BpelEngineException(__msgs.msgOperationInterrupted());
}
try {
// If the process is already active, do nothing.
if (_engine.isProcessRegistered(conf.getProcessId())) {
__log.debug(
"skipping doRegister" + conf.getProcessId() + ") -- process is already registered");
return;
}
__log.debug("Registering process " + conf.getProcessId() + " with server.");
BpelProcess process = createBpelProcess(conf);
process._classLoader = Thread.currentThread().getContextClassLoader();
_engine.registerProcess(process);
_registeredProcesses.add(process);
if (!isLazyHydratable(process)) {
process.hydrate();
} else {
_engine.setProcessSize(process.getPID(), false);
}
__log.info(__msgs.msgProcessRegistered(conf.getProcessId()));
} catch (Exception ex) {
__log.error(ex);
throw new BpelEngineException(ex);
} finally {
_mngmtLock.writeLock().unlock();
}
}
public void invokeInstance(MyRoleMessageExchangeImpl mex, RoutingInfo routing) {
Operation operation = getMyRoleOperation(mex.getOperationName());
if (__log.isDebugEnabled()) {
__log.debug(
"INPUTMSG: "
+ routing.correlator.getCorrelatorId()
+ ": ROUTING to existing instance "
+ routing.messageRoute.getTargetInstance().getInstanceId());
}
ProcessInstanceDAO instanceDao = routing.messageRoute.getTargetInstance();
BpelProcess process2 =
_process._engine._activeProcesses.get(instanceDao.getProcess().getProcessId());
// Reload process instance for DAO.
BpelRuntimeContextImpl instance = process2.createRuntimeContext(instanceDao, null, null);
instance.inputMsgMatch(routing.messageRoute.getGroupId(), routing.messageRoute.getIndex(), mex);
// Kill the route so some new message does not get routed to
// same process instance.
routing.correlator.removeRoutes(routing.messageRoute.getGroupId(), instanceDao);
// send process instance event
CorrelationMatchEvent evt =
new CorrelationMatchEvent(
new QName(process2.getOProcess().targetNamespace, process2.getOProcess().getName()),
process2.getProcessDAO().getProcessId(),
instanceDao.getInstanceId(),
routing.matchedKeySet);
evt.setPortType(mex.getPortType().getQName());
evt.setOperation(operation.getName());
evt.setMexId(mex.getMessageExchangeId());
process2._debugger.onEvent(evt);
// store event
process2.saveEvent(evt, instanceDao);
mex.setCorrelationStatus(MyRoleMessageExchange.CorrelationStatus.MATCHED);
mex.getDAO().setInstance(routing.messageRoute.getTargetInstance());
if (mex.getDAO().getCreateTime() == null)
mex.getDAO().setCreateTime(instance.getCurrentEventDateTime());
instance.execute();
}
public List<RoutingInfo> findRoute(MyRoleMessageExchangeImpl mex) {
List<RoutingInfo> routingInfos = new ArrayList<RoutingInfo>();
if (__log.isTraceEnabled()) {
__log.trace(
ObjectPrinter.stringifyMethodEnter(
this + ":inputMsgRcvd", new Object[] {"messageExchange", mex}));
}
Operation operation = getMyRoleOperation(mex.getOperationName());
if (operation == null) {
__log.error(
__msgs.msgUnknownOperation(mex.getOperationName(), _plinkDef.myRolePortType.getQName()));
mex.setFailure(MessageExchange.FailureType.UNKNOWN_OPERATION, mex.getOperationName(), null);
return null;
}
setMexRole(mex);
// now, the tricks begin: when a message arrives we have to see if there
// is anyone waiting for it. Get the correlator, a persisted communication-reduction
// data structure supporting correlation correlationKey matching!
String correlatorId = BpelProcess.genCorrelatorId(_plinkDef, operation.getName());
CorrelatorDAO correlator = _process.getProcessDAO().getCorrelator(correlatorId);
CorrelationKeySet keySet;
// We need to compute the correlation keys (based on the operation
// we can infer which correlation keys to compute - this is merely a set
// consisting of each correlationKey used in each correlation sets
// that is ever referenced in an <receive>/<onMessage> on this
// partnerlink/operation.
try {
keySet = computeCorrelationKeys(mex);
} catch (InvalidMessageException ime) {
// We'd like to do a graceful exit here, no sense in rolling back due to a
// a message format problem.
__log.debug("Unable to evaluate correlation keys, invalid message format. ", ime);
mex.setFailure(MessageExchange.FailureType.FORMAT_ERROR, ime.getMessage(), null);
return null;
}
String mySessionId = mex.getProperty(MessageExchange.PROPERTY_SEP_MYROLE_SESSIONID);
String partnerSessionId = mex.getProperty(MessageExchange.PROPERTY_SEP_PARTNERROLE_SESSIONID);
if (__log.isDebugEnabled()) {
__log.debug(
"INPUTMSG: "
+ correlatorId
+ ": MSG RCVD keys="
+ keySet
+ " mySessionId="
+ mySessionId
+ " partnerSessionId="
+ partnerSessionId);
}
// Try to find a route for one of our keys.
List<MessageRouteDAO> messageRoutes = correlator.findRoute(keySet);
if (messageRoutes != null && messageRoutes.size() > 0) {
for (MessageRouteDAO messageRoute : messageRoutes) {
if (__log.isDebugEnabled()) {
__log.debug(
"INPUTMSG: "
+ correlatorId
+ ": ckeySet "
+ messageRoute.getCorrelationKeySet()
+ " route is to "
+ messageRoute);
}
routingInfos.add(
new RoutingInfo(messageRoute, messageRoute.getCorrelationKeySet(), correlator, keySet));
}
}
if (routingInfos.size() == 0) {
routingInfos.add(new RoutingInfo(null, null, correlator, keySet));
}
return routingInfos;
}
public ProcessConf getProcessConf() {
return (_process.getConf());
}
