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Diffstat (limited to 'branches/sca-java-1.1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationInvoker.java')
| -rw-r--r-- | branches/sca-java-1.1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationInvoker.java | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/branches/sca-java-1.1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationInvoker.java b/branches/sca-java-1.1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationInvoker.java deleted file mode 100644 index 966abf0184..0000000000 --- a/branches/sca-java-1.1/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationInvoker.java +++ /dev/null @@ -1,125 +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.implementation.java.invocation; - -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; - -import org.apache.tuscany.sca.core.context.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.interfacedef.ConversationSequence; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.Message; -import org.apache.tuscany.sca.runtime.EndpointReference; -import org.apache.tuscany.sca.runtime.ReferenceParameters; -import org.apache.tuscany.sca.runtime.RuntimeComponent; - -/** - * Responsible for synchronously dispatching an invocation to a Java component - * implementation instance - * - * @version $Rev$ $Date$ - */ -public class JavaImplementationInvoker implements Invoker { - protected Operation operation; - protected Method method; - - @SuppressWarnings("unchecked") - protected final ScopeContainer scopeContainer; - - public JavaImplementationInvoker(Operation operation, Method method, RuntimeComponent component) { - assert method != null : "Operation method cannot be null"; - this.method = method; - this.operation = operation; - this.scopeContainer = ((ScopedRuntimeComponent)component).getScopeContainer(); - } - - @SuppressWarnings("unchecked") - public Message invoke(Message msg) { - Operation op = msg.getOperation(); - if (op == null) { - op = this.operation; - } - ConversationSequence sequence = op.getConversationSequence(); - 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) { - msg.setFaultBody(e); - } - return msg; - } - -} |