/**
* <code> incarnate </code> is used for the purpose of <i>incarnating </i> servant for the
* ObjectId the POA specified in the parameter.
*
* @param ok specifies the ObjectKey associated with the servant to be incarnated.
* @param poa specifies the POA for which the ServantManager in incarnating a Servant.
* @exception ex is thrown if incarnation needs to be performed on a different orb/poa.
*/
protected InvokeHandler incarnate(
FString ok,
FString oid,
org.omg.PortableServer.POA poa,
POAImpl pimpl,
IntHolder exceptionValue) {
InvokeHandler invokeHandler = null;
synchronized (mutex) {
// KLUDGE:
try {
invokeHandler = (InvokeHandler) this.manager.incarnate(oid.getData(), poa);
} catch (Exception fre) {
ZenProperties.logger.log(Logger.WARN, getClass(), "incarnate", fre);
}
if (this.uniquenessStrategy.validate(IdUniquenessStrategy.UNIQUE_ID)
&& this.retain.servantPresent(
(org.omg.PortableServer.Servant) invokeHandler, exceptionValue)) {
exceptionValue.value = POARunnable.ObjAdapterException;
return null;
}
POAHashMap map = pimpl.getPOAHashMap();
// TODO assigning the wrong priority
map.init(oid, (org.omg.PortableServer.Servant) invokeHandler, 0);
// Add the Reference to the AOM
this.retain.add(oid, map, exceptionValue);
return invokeHandler;
}
}
/**
* Handle client request
*
* @param request ServerRequest
* @param poa edu.uci.ece.zen.poa.POA
* @param requests edu.uci.ece.zen.poa.SynchronizedInt
* @return int
*/
public void handleRequest(
RequestMessage request,
edu.uci.ece.zen.poa.POA poa,
edu.uci.ece.zen.poa.SynchronizedInt requests,
IntHolder exceptionValue) {
exceptionValue.value = POARunnable.NoException;
InvokeHandler invokeHandler = null;
FString ok = request.getObjectKey();
FString oid = pimpl.getFString();
ObjectKeyHelper.getId(ok, oid);
POAHashMap map = null;
// first consult the AOM for the Request Processor
org.omg.PortableServer.Servant servant = this.retain.getServant(oid, exceptionValue);
if (exceptionValue.value == POARunnable.NoException) {
if (servant != null) {
invokeHandler = (InvokeHandler) servant;
}
} else {
if (this.manager == null) {
exceptionValue.value = POARunnable.ObjAdapterException;
pimpl.retFString(oid);
return;
}
// --- INCARNATE ---
exceptionValue.value = POARunnable.NoException;
invokeHandler = this.incarnate(ok, oid, poa, pimpl, exceptionValue);
if (exceptionValue.value == POARunnable.NoException) {
// Add the association in the AOM
map = pimpl.getPOAHashMap();
// TODO assigning the wrong priority
map.init(oid, (org.omg.PortableServer.Servant) invokeHandler, 0);
this.retain.add(oid, map, exceptionValue);
}
if (exceptionValue.value == POARunnable.ForwardRequestException) {
ZenProperties.logger.log("There is a forward request exception");
// Ask the ORB to handle the ForwardRequest Exception
// ((edu.uci.ece.zen.poa.POA)
// poa).getORB().handleForwardRequest(e);
if (map != null) pimpl.freePOAHashMap(map);
pimpl.retFString(oid);
return; // edu.uci.ece.zen.orb.ServerRequestHandler.REQUEST_NOT_HANDLED;
} else {
if (map != null) pimpl.freePOAHashMap(map);
pimpl.retFString(oid);
exceptionValue.value = POARunnable.InternalException;
return;
}
}
map = this.retain.getHashMap(oid, exceptionValue);
if (invokeHandler == null) {
pimpl.retFString(oid);
exceptionValue.value = POARunnable.InternalException;
}
// --- PRE-INVOKE ---
synchronized (mutex) {
requests.increment();
map.incrementActiveRequests();
}
/*
((edu.uci.ece.zen.poa.POACurrent) pimpl.poaCurrent.get()).init(poa, ok,
(org.omg.PortableServer.Servant) invokeHandler);
*/
ResponseHandler responseHandler = new ResponseHandler(poa.getORB(), request);
org.omg.PortableServer.Servant myServant = (org.omg.PortableServer.Servant) invokeHandler;
CDROutputStream reply;
// TODO Here we have DUPLICATED code
if (this.threadPolicyStrategy instanceof ThreadPolicyStrategy.SingleThreadModelStrategy) {
synchronized (mutex2) {
if (request.getOperation().equals("_is_a")) {
boolean _result = myServant._is_a(request.getCDRInputStream().read_string());
org.omg.CORBA.portable.OutputStream _output = responseHandler.createReply();
_output.write_boolean(_result);
reply = (CDROutputStream) _output;
} else if (request.getOperation().equals("_non_existent")) {
boolean _result = myServant._non_existent();
org.omg.CORBA.portable.OutputStream _output = responseHandler.createReply();
_output.write_boolean(_result);
reply = (CDROutputStream) _output;
} else {
reply =
(CDROutputStream)
invokeHandler._invoke(
request.getOperation().toString(),
(org.omg.CORBA.portable.InputStream) request.getCDRInputStream(),
responseHandler);
}
}
} else {
if (request.getOperation().equals("_is_a")) {
boolean _result = myServant._is_a(request.getCDRInputStream().read_string());
org.omg.CORBA.portable.OutputStream _output = responseHandler.createReply();
_output.write_boolean(_result);
reply = (CDROutputStream) _output;
} else if (request.getOperation().equals("_non_existent")) {
boolean _result = myServant._non_existent();
org.omg.CORBA.portable.OutputStream _output = responseHandler.createReply();
_output.write_boolean(_result);
reply = (CDROutputStream) _output;
} else {
reply =
(CDROutputStream)
invokeHandler._invoke(
request.getOperation().toString(),
(org.omg.CORBA.portable.InputStream) request.getCDRInputStream(),
responseHandler);
}
}
synchronized (mutex) {
requests.decrementAndNotifyAll(pimpl.self.processingState == POA.DESTRUCTION_APPARANT);
try {
map.decrementActiveRequestsAndDeactivate();
} catch (Exception ex) {
}
}
// send back reply
// reply.sendUsing(request.getTransport());
pimpl.retFString(oid);
return;
}