diff options
Diffstat (limited to 'sandbox/ant/sca/tags/2.0-M2/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java')
-rw-r--r-- | sandbox/ant/sca/tags/2.0-M2/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/sandbox/ant/sca/tags/2.0-M2/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java b/sandbox/ant/sca/tags/2.0-M2/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java deleted file mode 100644 index 0b73373e80..0000000000 --- a/sandbox/ant/sca/tags/2.0-M2/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/RuntimeWireInvoker.java +++ /dev/null @@ -1,264 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.core.invocation; - -import java.lang.reflect.InvocationTargetException; - -import org.apache.tuscany.sca.core.conversation.ConversationManager; -import org.apache.tuscany.sca.core.conversation.ConversationState; -import org.apache.tuscany.sca.core.conversation.ConversationExt; -import org.apache.tuscany.sca.core.factory.InstanceWrapper; -import org.apache.tuscany.sca.core.scope.Scope; -import org.apache.tuscany.sca.core.scope.ScopeContainer; -import org.apache.tuscany.sca.core.scope.ScopedRuntimeComponent; -import org.apache.tuscany.sca.core.scope.TargetDestructionException; -import org.apache.tuscany.sca.core.scope.TargetResolutionException; -import org.apache.tuscany.sca.interfacedef.ConversationSequence; -import org.apache.tuscany.sca.interfacedef.InterfaceContract; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.InvocationChain; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.Message; -import org.apache.tuscany.sca.invocation.MessageFactory; -import org.apache.tuscany.sca.runtime.EndpointReference; -import org.apache.tuscany.sca.runtime.ReferenceParameters; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeWire; -import org.oasisopen.sca.ConversationEndedException; -import org.oasisopen.sca.ServiceRuntimeException; - -/** - * @version $Rev$ $Date$ - */ -public class RuntimeWireInvoker implements Invoker{ - protected ConversationManager conversationManager; - protected boolean conversational; - protected ConversationExt conversation; - protected MessageFactory messageFactory; - protected Object conversationID; - protected Object callbackID; - protected Object callbackObject; - protected RuntimeWire wire; - - public RuntimeWireInvoker(MessageFactory messageFactory, ConversationManager conversationManager, RuntimeWire wire) { - this.messageFactory = messageFactory; - this.wire = wire; - this.conversationManager = conversationManager; - 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(); - } - } - - /* - * TODO - Introduced to allow the RuntimeWireInvoker to sit on the end of the - * service binding chain. Runtime wire invoke needs splitting up into - * separate conversation, callback interceptors etc. - */ - public Message invoke(Message msg) { - - try { - Object response = invoke(msg.getOperation(),msg); - // Hack to put the response back in a message. - // shouldn't take it out of the response message in the first place - msg.setBody(response); - } catch (InvocationTargetException e) { - throw new ServiceRuntimeException(e); - } - - return msg; - } - - public Object invoke(Operation operation, Message msg) throws InvocationTargetException { - return invoke(wire, operation, msg); - } - - public Object invoke(RuntimeWire wire, Operation operation, Message msg) throws InvocationTargetException { - RuntimeWire runtimeWire = wire == null ? this.wire : wire; - InvocationChain chain = runtimeWire.getInvocationChain(operation); - return invoke(chain, msg, runtimeWire); - } - - protected Object invoke(InvocationChain chain, Message msg, RuntimeWire wire) throws InvocationTargetException { - EndpointReference from = msg.getFrom(); - EndpointReference epFrom = wire.getSource(); - if (from != null) { - from.mergeEndpoint(epFrom); - } else { - msg.setFrom(epFrom); - } - msg.setTo(wire.getTarget()); - - Invoker headInvoker = chain.getHeadInvoker(); - Operation operation = chain.getTargetOperation(); - msg.setOperation(operation); - - Message msgContext = ThreadMessageContext.getMessageContext(); - Object currentConversationID = msgContext.getFrom().getReferenceParameters().getConversationID(); - - ThreadMessageContext.setMessageContext(msg); - try { - conversationPreinvoke(msg); - // handleCallback(msg, currentConversationID); - // dispatch the wire down the chain and get the response - Message resp = headInvoker.invoke(msg); - Object body = resp.getBody(); - if (resp.isFault()) { - throw new InvocationTargetException((Throwable)body); - } - return body; - } catch (InvocationTargetException e) { - throw e; - } catch (Throwable e) { - throw new ServiceRuntimeException(e); - } finally { - try { - conversationPostInvoke(msg); - } catch (TargetDestructionException e) { - throw new ServiceRuntimeException(e); - } finally { - ThreadMessageContext.setMessageContext(msgContext); - } - } - } - - /** - * @param msgContext - */ - protected EndpointReference getCallbackEndpoint(Message msgContext) { - EndpointReference from = msgContext.getFrom(); - return from == null ? null : from.getReferenceParameters().getCallbackReference(); - } - - /** - * Pre-invoke for the conversation handling - * @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); - conversation.initializeConversationAttributes(wire.getTarget().getComponent()); - } else if (conversation.conversationalAttributesInitialized() == false) { - conversation.initializeConversationAttributes(wire.getTarget().getComponent()); - } else if (conversation.isExpired()){ - throw new ConversationEndedException("Conversation has expired."); - } - - conversation.updateLastReferencedTime(); - - parameters.setConversationID(conversation.getConversationID()); - } - } - - /** - * Post-invoke for the conversation handling - * @param wire - * @param operation - * @throws TargetDestructionException - */ - @SuppressWarnings("unchecked") - private void conversationPostInvoke(Message msg) throws TargetDestructionException { - if (conversational) { - Operation operation = msg.getOperation(); - ConversationSequence sequence = operation.getConversationSequence(); - if (sequence == ConversationSequence.CONVERSATION_END) { - // in some cases the ConversationID that should be used comes in with the - // message, e.g. when ws binding is in use. - Object convID = msg.getFrom().getReferenceParameters().getConversationID(); - if (convID != null) { - conversationID = convID; - } - conversation = conversationManager.getConversation(conversationID); - - // remove conversation id from scope container - ScopeContainer scopeContainer = getConversationalScopeContainer(msg); - - if (scopeContainer != null) { - scopeContainer.remove(conversation.getConversationID()); - } - - conversation.end(); - } - } - } - - @SuppressWarnings("unchecked") - private ScopeContainer getConversationalScopeContainer(Message msg) { - ScopeContainer scopeContainer = null; - - RuntimeComponent component = msg.getTo().getComponent(); - - if (component instanceof ScopedRuntimeComponent) { - ScopedRuntimeComponent scopedRuntimeComponent = (ScopedRuntimeComponent)component; - ScopeContainer container = scopedRuntimeComponent.getScopeContainer(); - - if ((container != null) && (container.getScope() == Scope.CONVERSATION)) { - scopeContainer = container; - } - } - - return scopeContainer; - } - - - /** - * Minimal wrapper for a callback object contained in a ServiceReference - */ - private static class CallbackObjectWrapper<T> implements InstanceWrapper<T> { - - private T instance; - - private CallbackObjectWrapper(T instance) { - this.instance = instance; - } - - public T getInstance() { - return instance; - } - - public void start() { - // do nothing - } - - public void stop() { - // do nothing - } - } - -} |