| /* |
| * 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.context; |
| |
| import org.apache.tuscany.sca.core.factory.InstanceWrapper; |
| import org.apache.tuscany.sca.core.scope.TargetDestructionException; |
| import org.apache.tuscany.sca.core.scope.TargetInitializationException; |
| import org.apache.tuscany.sca.implementation.java.injection.Injector; |
| import org.apache.tuscany.sca.implementation.java.invocation.EventInvoker; |
| |
| /** |
| * @version $Rev$ $Date$ |
| */ |
| public class ReflectiveInstanceWrapper<T> implements InstanceWrapper<T> { |
| private final EventInvoker<T> initInvoker; |
| private final EventInvoker<T> destroyInvoker; |
| private final T instance; |
| private final Injector<T>[] callbackInjectors; |
| |
| public ReflectiveInstanceWrapper(T instance, EventInvoker<T> initInvoker, EventInvoker<T> destroyInvoker, Injector<T>[] callbackInjectors) { |
| this.instance = instance; |
| this.initInvoker = initInvoker; |
| this.destroyInvoker = destroyInvoker; |
| this.callbackInjectors = callbackInjectors; |
| } |
| |
| public T getInstance() { |
| return instance; |
| } |
| |
| public void start() throws TargetInitializationException { |
| if (initInvoker != null) { |
| try { |
| initInvoker.invokeEvent(instance); |
| } catch (Exception e) { |
| try { |
| stop(); |
| } catch (TargetDestructionException e1) { |
| throw new TargetInitializationException("TargetDestructionException while handling init exception", e); |
| } |
| throw new TargetInitializationException(e); |
| } |
| } |
| } |
| |
| public void stop() throws TargetDestructionException { |
| if (destroyInvoker != null) { |
| destroyInvoker.invokeEvent(instance); |
| } |
| } |
| |
| public Injector<T>[] getCallbackInjectors() { |
| return this.callbackInjectors; |
| } |
| |
| } |