| /* |
| * 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.host.embedded.impl; |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.CopyOnWriteArrayList; |
| |
| import org.apache.tuscany.sca.assembly.Component; |
| import org.apache.tuscany.sca.assembly.Composite; |
| import org.apache.tuscany.sca.core.assembly.ActivationException; |
| import org.apache.tuscany.sca.core.assembly.RuntimeComponentImpl; |
| import org.apache.tuscany.sca.host.embedded.management.ComponentListener; |
| import org.apache.tuscany.sca.host.embedded.management.ComponentManager; |
| |
| /** |
| * Implementation of the ComponentManager. |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class ComponentManagerImpl implements ComponentManager { |
| |
| protected List<ComponentListener> listeners = new CopyOnWriteArrayList<ComponentListener>(); |
| protected EmbeddedSCADomain domain; |
| |
| public ComponentManagerImpl(EmbeddedSCADomain domain) { |
| this.domain = domain; |
| } |
| |
| public void addComponentListener(ComponentListener listener) { |
| this.listeners.add(listener); |
| } |
| |
| public void removeComponentListener(ComponentListener listener) { |
| this.listeners.remove(listener); |
| } |
| |
| public Set<String> getComponentNames() { |
| Set<String> names = new HashSet<String>(); |
| for (Composite composite: domain.getDomainComposite().getIncludes()) { |
| for (Component component: composite.getComponents()) { |
| names.add(component.getName()); |
| } |
| } |
| return names; |
| } |
| |
| public Component getComponent(String componentName) { |
| for (Composite composite: domain.getDomainComposite().getIncludes()) { |
| for (Component component: composite.getComponents()) { |
| if (component.getName().equals(componentName)) { |
| return component; |
| } |
| } |
| } |
| return null; |
| } |
| |
| public void startComponent(String componentName) throws ActivationException { |
| Component component = getComponent(componentName); |
| if (component == null) { |
| throw new IllegalArgumentException("no component: " + componentName); |
| } |
| domain.getCompositeActivator().start(component); |
| notifyComponentStarted(componentName); |
| } |
| |
| public void stopComponent(String componentName) throws ActivationException { |
| Component component = getComponent(componentName); |
| if (component == null) { |
| throw new IllegalArgumentException("no component: " + componentName); |
| } |
| domain.getCompositeActivator().stop(component); |
| notifyComponentStopped(componentName); |
| } |
| |
| public void notifyComponentStarted(String componentName) { |
| for (ComponentListener listener : listeners) { |
| try { |
| listener.componentStarted(componentName); |
| } catch (Exception e) { |
| e.printStackTrace(); // TODO: log |
| } |
| } |
| } |
| |
| public void notifyComponentStopped(String componentName) { |
| for (ComponentListener listener : listeners) { |
| try { |
| listener.componentStopped(componentName); |
| } catch (Exception e) { |
| e.printStackTrace(); // TODO: log |
| } |
| } |
| } |
| |
| public boolean isComponentStarted(String componentName) { |
| RuntimeComponentImpl runtimeComponent = (RuntimeComponentImpl)getComponent(componentName); |
| return runtimeComponent.isStarted(); |
| } |
| |
| } |