From a7c1a39d8c3c4ef4d5878dbff726085082a17e8a Mon Sep 17 00:00:00 2001 From: lresende Date: Wed, 11 Nov 2009 23:09:31 +0000 Subject: Moving 2.x branches git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835136 13f79535-47bb-0310-9956-ffa450edef68 --- .../org/apache/tuscany/sca/node/impl/NodeImpl.java | 236 +++++++++++++++++++++ 1 file changed, 236 insertions(+) create mode 100644 sca-java-2.x/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java (limited to 'sca-java-2.x/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java') diff --git a/sca-java-2.x/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java b/sca-java-2.x/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java new file mode 100644 index 0000000000..6737a16d3a --- /dev/null +++ b/sca-java-2.x/branches/sca-java-2.0-M3/modules/node-impl/src/main/java/org/apache/tuscany/sca/node/impl/NodeImpl.java @@ -0,0 +1,236 @@ +/* + * 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.node.impl; + +import java.util.ArrayList; +import java.util.List; +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.assembly.CompositeService; +import org.apache.tuscany.sca.assembly.Endpoint; +import org.apache.tuscany.sca.assembly.Service; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.core.assembly.ActivationException; +import org.apache.tuscany.sca.core.assembly.CompositeActivator; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.node.Client; +import org.apache.tuscany.sca.node.Node; +import org.apache.tuscany.sca.node.NodeFinder; +import org.apache.tuscany.sca.node.configuration.NodeConfiguration; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentContext; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.oasisopen.sca.CallableReference; +import org.oasisopen.sca.ServiceReference; +import org.oasisopen.sca.ServiceRuntimeException; +import org.oasisopen.sca.ServiceUnavailableException; + +/** + * An SCA Node that is managed by the NodeManager + */ +public class NodeImpl implements Node, Client { + private static final Logger logger = Logger.getLogger(NodeImpl.class.getName()); + private ProxyFactory proxyFactory; + private CompositeActivator compositeActivator; + private NodeConfiguration configuration; + private NodeFactoryImpl manager; + + public NodeImpl(NodeFactoryImpl manager, NodeConfiguration configuration) { + super(); + this.configuration = configuration; + this.manager = manager; + } + + public void destroy() { + } + + public Node start() { + logger.log(Level.INFO, "Starting node: " + configuration.getURI()); + + manager.init(); + manager.addNode(configuration, this); + this.proxyFactory = manager.proxyFactory; + this.compositeActivator = + manager.extensionPoints.getExtensionPoint(UtilityExtensionPoint.class).getUtility(CompositeActivator.class, + true); + try { + + compositeActivator.setDomainComposite(manager.configureNode(configuration)); + for (Composite composite : compositeActivator.getDomainComposite().getIncludes()) { + // Activate the composite + compositeActivator.activate(composite); + + // Start the composite + compositeActivator.start(composite); + } + + NodeFinder.addNode(NodeUtil.createURI(configuration.getDomainURI()), this); + + return this; + + } catch (Exception e) { + throw new IllegalStateException(e); + } + + } + + public void stop() { + logger.log(Level.INFO, "Stopping node: " + configuration.getURI()); + + try { + if (compositeActivator == null) { + return; + } + NodeFinder.removeNode(this); + if( compositeActivator.getDomainComposite() != null ) { + List composites = compositeActivator.getDomainComposite().getIncludes(); + for (Composite composite : composites) { + + // Stop the composite + compositeActivator.stop(composite); + + // Deactivate the composite + compositeActivator.deactivate(composite); + + } // end for + composites.clear(); + } // end if + + manager.removeNode(configuration); + this.compositeActivator = null; + this.proxyFactory = null; + + } catch (ActivationException e) { + throw new IllegalStateException(e); + } + + } + + @SuppressWarnings("unchecked") + public > R cast(B target) throws IllegalArgumentException { + return (R)proxyFactory.cast(target); + } + + public B getService(Class businessInterface, String serviceName) { + + ServiceReference serviceReference = getServiceReference(businessInterface, serviceName); + if (serviceReference == null) { + throw new ServiceRuntimeException("Service not found: " + serviceName); + } + return serviceReference.getService(); + } + + public ServiceReference getServiceReference(Class businessInterface, String name) { + + // Extract the component name + String componentName; + String serviceName; + int i = name.indexOf('/'); + if (i != -1) { + componentName = name.substring(0, i); + serviceName = name.substring(i + 1); + + } else { + componentName = name; + serviceName = null; + } + + // Lookup the component + Component component = null; + + for (Composite composite : compositeActivator.getDomainComposite().getIncludes()) { + for (Component compositeComponent : composite.getComponents()) { + if (compositeComponent.getName().equals(componentName)) { + component = compositeComponent; + } + } + } + + if (component == null) { + throw new ServiceUnavailableException("The service " + name + " has not been contributed to the domain"); + } + RuntimeComponentContext componentContext = null; + + // If the component is a composite, then we need to find the + // non-composite component that provides the requested service + if (component.getImplementation() instanceof Composite) { + for (ComponentService componentService : component.getServices()) { + if (serviceName == null || serviceName.equals(componentService.getName())) { + CompositeService compositeService = (CompositeService)componentService.getService(); + if (compositeService != null) { + componentContext = + ((RuntimeComponent)compositeService.getPromotedComponent()).getComponentContext(); + return componentContext.createSelfReference(businessInterface, compositeService + .getPromotedService()); + } + break; + } + } + // No matching service found + throw new ServiceRuntimeException("Composite service not found: " + name); + } else { + componentContext = ((RuntimeComponent)component).getComponentContext(); + if (serviceName != null) { + return componentContext.createSelfReference(businessInterface, serviceName); + } else { + return componentContext.createSelfReference(businessInterface); + } + } + } + + public NodeConfiguration getConfiguration() { + return configuration; + } + + public ExtensionPointRegistry getExtensionPoints() { + return manager.getExtensionPoints(); + } + + /** + * Get the service endpoints in this Node + * TODO: needs review, works for the very simple testcase but i expect there are + * other endpoints to be included + */ + public List getServiceEndpoints() { + List endpoints = new ArrayList(); + if (compositeActivator != null) { + Composite domainComposite = compositeActivator.getDomainComposite(); + if (domainComposite != null) { + for (Composite composite : domainComposite.getIncludes()) { + for (Component component : composite.getComponents()) { + for (Service service : component.getServices()) { + // MJE 28/05/2009 - changed to RuntimeComponentService from RuntimeComponentServiceImpl + // - no need to access the Impl directly here + if (service instanceof RuntimeComponentService) { + endpoints.addAll(((RuntimeComponentService)service).getEndpoints()); + } + } + } + } + } + } + return endpoints; + } +} -- cgit v1.2.3