Package org.apache.tuscany.sca.runtime

Examples of org.apache.tuscany.sca.runtime.ReferenceParameters


        //fill message with QoS context info
        fillQoSContext(msg, inMC);
       
        // if reference parameters are needed, create a new "From" EPR to hold them
        EndpointReference from = null;
        ReferenceParameters parameters = null;
        if (callbackAddress != null ||
            callbackID != null ||
            conversationID != null) {
            from = new EndpointReferenceImpl(null);
            parameters = from.getReferenceParameters();
            msg.setFrom(from);
        }

        // set the reference parameters into the "From" EPR
        if (callbackAddress != null) {
            parameters.setCallbackReference(new EndpointReferenceImpl(callbackAddress));
        }
        if (callbackID != null) {
            parameters.setCallbackID(callbackID);
        }
        if (conversationID != null) {
            parameters.setConversationID(conversationID);
        }

        // find the runtime wire and invoke it with the message
        RuntimeWire wire = ((RuntimeComponentService)contract).getRuntimeWire(getBinding());
        return wire.invoke(op, msg);
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     * @param interfaze
     * @throws TargetResolutionException
     */
    private void handleCallback(Message msg, RuntimeWire wire, Object currentConversationID)
        throws TargetResolutionException {
        ReferenceParameters parameters = msg.getFrom().getReferenceParameters();
        parameters.setCallbackID(getCallbackID());
        if (wire.getSource() == null || wire.getSource().getCallbackEndpoint() == null) {
            return;
        }

        parameters.setCallbackReference(wire.getSource().getCallbackEndpoint());

        // If we are passing out a callback target
        // register the calling component instance against this
        // new conversation id so that stateful callbacks will be
        // able to find it
        Object callbackObject = getCallbackObject();
        if (conversational && callbackObject == null) {
            // the component instance is already registered
            // so add another registration
            ScopeContainer<Object> scopeContainer = getConversationalScopeContainer(wire);

            if (scopeContainer != null && currentConversationID != null) {
                scopeContainer.addWrapperReference(currentConversationID, conversation.getConversationID());
            }
        }

        Interface interfaze = msg.getOperation().getInterface();
        if (callbackObject != null) {
            if (callbackObject instanceof ServiceReference) {
                EndpointReference callbackRef = ((CallableReferenceImpl)callbackObject).getEndpointReference();
                parameters.setCallbackReference(callbackRef);
            } else {
                if (interfaze != null) {
                    if (!interfaze.isConversational()) {
                        throw new IllegalArgumentException(
                                                           "Callback object for stateless callback is not a ServiceReference");
                    } else {
                        ScopeContainer scopeContainer = getConversationalScopeContainer(wire);
                        if (scopeContainer != null) {
                            InstanceWrapper wrapper = new CallbackObjectWrapper(callbackObject);
                            scopeContainer.registerWrapper(wrapper, conversation.getConversationID());
                        }
                        parameters.setCallbackObjectID(callbackObject);
                    }
                }
            }
        }
    }
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        }
        this.callback = callback;
    }

    protected ReferenceParameters getReferenceParameters() {
        ReferenceParameters parameters = super.getReferenceParameters();
        if (callback != null) {
            if (callback instanceof ServiceReference) {
                EndpointReference callbackRef = ((CallableReferenceImpl)callback).getEndpointReference();
                parameters.setCallbackReference(callbackRef);
            } else {
                EndpointReference callbackRef = getRuntimeWire().getSource().getCallbackEndpoint();
                parameters.setCallbackReference(callbackRef);
                parameters.setCallbackObjectID(callback);
            }
        }
        return parameters;
    }
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        EndpointReference to = msgContext.getTo();
        RuntimeComponentService service = (RuntimeComponentService) to.getContract();
        RuntimeComponent component = (RuntimeComponent) to.getComponent();
       
        CallableReference<B> callableReference = component.getComponentContext().getCallableReference(null, component, service);
        ReferenceParameters parameters = msgContext.getFrom().getReferenceParameters();
        ((CallableReferenceImpl<B>) callableReference).attachCallbackID(parameters.getCallbackID());
        if (callableReference.getConversation() != null) {
            ((CallableReferenceImpl<B>) callableReference).attachConversationID(parameters.getConversationID());
        }
        return callableReference;
    }
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        JavaInterface javaInterface = (JavaInterface) callbackReference.getInterfaceContract().getInterface();
        Class<CB> javaClass = (Class<CB>)javaInterface.getJavaClass();
        List<RuntimeWire> wires = callbackReference.getRuntimeWires();
        CallbackReferenceImpl ref = new CallbackReferenceImpl(javaClass, proxyFactory, wires);
        ref.resolveTarget();
        ReferenceParameters parameters = msgContext.getFrom().getReferenceParameters();
        ref.attachCallbackID(parameters.getCallbackID());
        if (ref.getConversation() != null) {
            ref.attachConversationID(parameters.getConversationID());
        }
        return ref;
    }
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        init(wire);
    }

    protected void init(RuntimeWire wire) {
        if (wire != null) {
            ReferenceParameters parameters = wire.getSource().getReferenceParameters();
            this.callbackID = parameters.getCallbackID();
            this.callbackObject = parameters.getCallbackReference();
            this.conversationID = parameters.getConversationID();
            InterfaceContract contract = wire.getSource().getInterfaceContract();
            this.conversational = contract.getInterface().isConversational();
        }
    }
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     * of this class.
     */
    @SuppressWarnings("unchecked")
    private void handleCallback(Message msg, Object currentConversationID) throws TargetResolutionException {
        EndpointReference from = msg.getFrom();
        ReferenceParameters parameters = from.getReferenceParameters();
        parameters.setCallbackID(callbackID);
        if (from == null || from.getCallbackEndpoint() == null) {
            return;
        }
        // If we are passing out a callback target
        // register the calling component instance against this
        // new conversation id so that stateful callbacks will be
        // able to find it
        if (conversational && callbackObject == null) {
            // the component instance is already registered
            // so add another registration
            ScopeContainer scopeContainer = getConversationalScopeContainer(msg);

            if (scopeContainer != null) {
                scopeContainer.addWrapperReference(currentConversationID, parameters.getConversationID());
            }
        }

        Interface interfaze = msg.getOperation().getInterface();
        if (callbackObject != null) {
            if (callbackObject instanceof ServiceReference) {
                EndpointReference callbackRef = ((CallableReferenceImpl)callbackObject).getEndpointReference();
                parameters.setCallbackReference(callbackRef);
            } else {
                if (interfaze != null) {
                    if (!interfaze.isConversational()) {
                        throw new IllegalArgumentException(
                                                           "Callback object for stateless callback is not a ServiceReference");
                    } else {
                        ScopeContainer scopeContainer = getConversationalScopeContainer(msg);
                        if (scopeContainer != null) {
                            InstanceWrapper wrapper = new CallbackObjectWrapper(callbackObject);
                            scopeContainer.registerWrapper(wrapper, conversation.getConversationID());
                        }
                        parameters.setCallbackObjectID(callbackObject);
                    }
                }
            }
        }
    }
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     * @param msg
     * @throws TargetResolutionException
     */
    private void conversationPreinvoke(Message msg) {
        if (conversational) {
            ReferenceParameters parameters = msg.getFrom().getReferenceParameters();
            // in some cases the ConversationID that should be used comes in with the
            // message, e.g. when ws binding is in use.
            Object convID = parameters.getConversationID();
            if (convID != null) {
                conversationID = convID;
            }
            conversation = conversationManager.getConversation(conversationID);
           
            if (conversation == null || conversation.getState() == ConversationState.ENDED) {
                conversation = conversationManager.startConversation(conversationID);
            }
   
            parameters.setConversationID(conversation.getConversationID());
        }
    }
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        Object payload = msg.getBody();

        Object contextId = null;

        EndpointReference from = msg.getFrom();
        ReferenceParameters parameters = null;
        if (from != null) {
            parameters = from.getReferenceParameters();
        }
        // check what sort of context is required
        if (scopeContainer != null) {
            Scope scope = scopeContainer.getScope();
            if (scope == Scope.REQUEST) {
                contextId = Thread.currentThread();
            } else if (scope == Scope.CONVERSATION && parameters != null) {
                contextId = parameters.getConversationID();
            }
        }

        try {
            // The following call might create a new conversation, as a result, the msg.getConversationID() might
            // return a new value
            InstanceWrapper wrapper = scopeContainer.getWrapper(contextId);

            // detects whether the scope container has created a conversation Id. This will
            // happen in the case that the component has conversational scope but only the
            // callback interface is conversational. Or in the callback case if the service interface
            // is conversational and the callback interface isn't. If we are in this situation we need
            // to get the contextId of this component and remove it after we have invoked the method on
            // it. It is possible that the component instance will not go away when it is removed below
            // because a callback conversation will still be holding a reference to it
            boolean removeTemporaryConversationalComponentAfterCall = false;
            if (parameters != null && (contextId == null) && (parameters.getConversationID() != null)) {
                contextId = parameters.getConversationID();
                removeTemporaryConversationalComponentAfterCall = true;
            }

            Object instance = wrapper.getInstance();
            Object ret;
            if (payload != null && !payload.getClass().isArray()) {
                ret = method.invoke(instance, payload);
            } else {
                ret = method.invoke(instance, (Object[])payload);
            }

            scopeContainer.returnWrapper(wrapper, contextId);

            if ((sequence == ConversationSequence.CONVERSATION_END) || (removeTemporaryConversationalComponentAfterCall)) {
                // if end conversation, or we have the special case where a conversational
                // object was created to service the stateless half of a stateful component
                scopeContainer.remove(contextId);
                parameters.setConversationID(null);
            }
            msg.setBody(ret);
        } catch (InvocationTargetException e) {
            msg.setFaultBody(e.getCause());
        } catch (Exception e) {
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    /**
     * @see org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor#read(javax.xml.stream.XMLStreamReader, ProcessorContext)
     */
    public ReferenceParameters read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, XMLStreamException {
        ReferenceParameters parameters = new ReferenceParametersImpl();
        parameters.setCallbackID(reader.getAttributeValue(null, "callbackID"));
        return parameters;
    }
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