EasyBeansSingletonSB bean = null;
try {
bean = getBean(null);
} catch (IllegalArgumentException e) {
ejbResponse.setRPCException(new RPCException("Cannot get element in the pool", e));
return ejbResponse;
} catch (NoSuchEJBException e) {
ejbResponse.setRPCException(new RPCException("Bean has been removed", e));
return ejbResponse;
}
Method m = getHashes().get(localCallRequest.getMethodHash());
if (m == null) {
ejbResponse.setRPCException(new RPCException("Cannot find method called on the bean '" + getClassName() + "'."));
return ejbResponse;
}
Object value = null;
// set ClassLoader
ClassLoader oldClassLoader = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(getContainer().getClassLoader());
// Busines interface
String oldInvokedBusinessInterface = getInvokedBusinessInterfaceNameThreadLocal().get();
getInvokedBusinessInterfaceNameThreadLocal().set(localCallRequest.getInvokedBusinessInterfaceName());
// Operation state
OperationState oldState = getOperationState();
getOperationStateThreadLocal().set(BUSINESS_METHOD);
// Dispatch the bean invocation begin event.
String methodEventProviderId = getJ2EEManagedObjectId() + "/" + J2EEManagedObjectNamingHelper.getMethodSignature(m)
+ "@Local";
boolean enabledEvent = !localCallRequest.isCalledFromRemoteRequest();
EZBEventBeanInvocation event = null;
long number = 0;
IAuditID previousID = null;
// Compute and send begin event only if required
if (enabledEvent) {
// Invocation ID
if (getCurrentInvocationID() != null) {
previousID = getCurrentInvocationID().newInvocation();
}
event = getInvocationEventBegin(methodEventProviderId, localCallRequest.getMethodArgs());
number = event.getInvocationNumber();
getEventDispatcher().dispatch(event);
}
// TODO: manage lock per method and read or write lock !
// for now, use only write lock
// acquire lock
Lock writeLock = this.lock.writeLock();
writeLock.lock();
try {
value = m.invoke(bean, localCallRequest.getMethodArgs());
} catch (IllegalArgumentException e) {
ejbResponse.setRPCException(new RPCException(e));
if (enabledEvent) {
getEventDispatcher().dispatch(new EventBeanInvocationError(methodEventProviderId, number, e));
}
} catch (IllegalAccessException e) {
ejbResponse.setRPCException(new RPCException(e));
if (enabledEvent) {
getEventDispatcher().dispatch(new EventBeanInvocationError(methodEventProviderId, number, e));
}
} catch (InvocationTargetException e) {
Throwable cause = e.getCause();
RPCException rpcException = new RPCException(cause);
// ApplicationException ?
ApplicationException applicationException = getBeanInfo().getApplicationExceptions().get(cause.getClass().getName());
if (applicationException != null) {
rpcException.setApplicationException();
}
ejbResponse.setRPCException(rpcException);
if (enabledEvent) {
getEventDispatcher().dispatch(new EventBeanInvocationError(methodEventProviderId, number, e));
}
} finally {
if (enabledEvent) {
getEventDispatcher().dispatch(new EventBeanInvocationEnd(methodEventProviderId, number, value));
// Restore previous ID
if (getCurrentInvocationID() != null) {
getCurrentInvocationID().setAuditID(previousID);
}
}
Thread.currentThread().setContextClassLoader(oldClassLoader);
getInvokedBusinessInterfaceNameThreadLocal().set(oldInvokedBusinessInterface);
getOperationStateThreadLocal().set(oldState);
// push back into the pool
try {
getPool().release(bean);
} catch (PoolException e) {
ejbResponse.setRPCException(new RPCException("cannot release bean", e));
}
// release lock
writeLock.unlock();
}
ejbResponse.setValue(value);