| /* |
| * 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.implementation.java.invocation; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| |
| import org.apache.tuscany.sca.core.factory.InstanceWrapper; |
| import org.apache.tuscany.sca.core.factory.ObjectCreationException; |
| import org.apache.tuscany.sca.core.invocation.AsyncResponseException; |
| import org.apache.tuscany.sca.interfacedef.DataType; |
| import org.apache.tuscany.sca.interfacedef.InterfaceContract; |
| import org.apache.tuscany.sca.interfacedef.Operation; |
| import org.apache.tuscany.sca.interfacedef.java.JavaOperation; |
| import org.apache.tuscany.sca.invocation.Message; |
| import org.apache.tuscany.sca.runtime.RuntimeComponent; |
| import org.oasisopen.sca.ResponseDispatch; |
| import org.oasisopen.sca.ServiceRuntimeException; |
| |
| /** |
| * Responsible for asynchronously dispatching an invocation to a Java component |
| * implementation instance |
| * |
| */ |
| public class JavaAsyncImplementationInvoker extends JavaImplementationInvoker { |
| |
| public JavaAsyncImplementationInvoker(Operation operation, Method method, RuntimeComponent component, |
| InterfaceContract interfaceContract) { |
| super( operation, method, component, interfaceContract); |
| assert method != null : "Operation method cannot be null"; |
| assert ((JavaOperation) operation).isAsyncServer() : "Operation must be async"; |
| } // end constructor |
| |
| public Message invoke(Message msg) { |
| Operation op = this.operation; |
| |
| Object payload = msg.getBody(); |
| |
| Object contextId = null; |
| |
| // store the current thread context classloader |
| // - replace it with the class loader used to load the java class as per SCA Spec |
| ClassLoader tccl = Thread.currentThread().getContextClassLoader(); |
| |
| 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); |
| |
| Object instance = wrapper.getInstance(); |
| |
| // Set the TCCL to the classloader used to load the implementation class |
| Thread.currentThread().setContextClassLoader(instance.getClass().getClassLoader()); |
| |
| // For an async server method, there is an extra input parameter, which is a DispatchResponse instance |
| // which is typed by the type of the response |
| Class<?> responseType = op.getOutputType().getPhysical(); |
| ResponseDispatch<?> dispatch = ResponseDispatchImpl.newInstance(responseType, msg ); |
| |
| Object ret; |
| Object[] payload2; |
| if (payload != null && !payload.getClass().isArray()) { |
| payload2 = new Object[2]; |
| payload2[0] = payload; |
| } else { |
| payload2 = new Object[ ((Object[])payload).length + 1 ]; |
| for( int i = 0; i < ((Object[])payload).length; i++) { |
| payload2[i] = ((Object[])payload)[i]; |
| } // end for |
| } |
| payload2[ payload2.length - 1 ] = dispatch; |
| |
| ret = method.invoke(instance, (Object[])payload2); |
| |
| //ret = ((ResponseDispatchImpl<?>)dispatch).get(50, TimeUnit.SECONDS); |
| throw new InvocationTargetException( new AsyncResponseException("AsyncResponse") ); |
| |
| //scopeContainer.returnWrapper(wrapper, contextId); |
| |
| //msg.setBody(ret); |
| } catch (InvocationTargetException e) { |
| Throwable cause = e.getTargetException(); |
| boolean isChecked = false; |
| for (DataType<?> d : operation.getFaultTypes()) { |
| if (d.getPhysical().isInstance(cause)) { |
| isChecked = true; |
| msg.setFaultBody(cause); |
| break; |
| } |
| } |
| |
| if (!isChecked) { |
| if (cause instanceof RuntimeException) { |
| throw (RuntimeException)cause; |
| } |
| if (cause instanceof Error) { |
| throw (Error)cause; |
| } else { |
| throw new ServiceRuntimeException(cause.getMessage(), cause); |
| } |
| } |
| |
| } catch (ObjectCreationException e) { |
| throw new ServiceRuntimeException(e.getMessage(), e); |
| } catch (Exception e) { |
| msg.setFaultBody(e); |
| } finally { |
| // set the tccl |
| Thread.currentThread().setContextClassLoader(tccl); |
| } |
| return msg; |
| } // end method invoke |
| |
| } |