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+/*
+ * 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 javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+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.builder.CompositeBuilder;
+import org.apache.tuscany.sca.contribution.service.ContributionService;
+import org.apache.tuscany.sca.core.assembly.ActivationException;
+import org.apache.tuscany.sca.core.assembly.CompositeActivator;
+import org.apache.tuscany.sca.host.embedded.SCADomain;
+import org.apache.tuscany.sca.host.embedded.management.ComponentManager;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.osoa.sca.CallableReference;
+import org.osoa.sca.ComponentContext;
+import org.osoa.sca.Constants;
+import org.osoa.sca.ServiceReference;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * An SCA domain facade implementation.
+ *
+ * @version $Rev$ $Date$
+ */
+public class EmbeddedSCADomain extends SCADomain {
+
+ private String uri;
+ private Composite domainComposite;
+ private ReallySmallRuntime runtime;
+ private ComponentManagerImpl componentManager = new ComponentManagerImpl(this);
+
+ /**
+ * Constructs a new domain facade.
+ *
+ * @param runtimeClassLoader
+ * @param domainURI
+ */
+ public EmbeddedSCADomain(ClassLoader runtimeClassLoader,
+ String domainURI) {
+ this.uri = domainURI;
+
+ // Create a runtime
+ runtime = new ReallySmallRuntime(runtimeClassLoader);
+ }
+
+ public void start() throws ActivationException {
+
+ // Start the runtime
+ runtime.start();
+
+ // Create an in-memory domain level composite
+ AssemblyFactory assemblyFactory = runtime.getAssemblyFactory();
+ domainComposite = assemblyFactory.createComposite();
+ domainComposite.setName(new QName(Constants.SCA_NS, "domain"));
+ domainComposite.setURI(uri);
+
+ getCompositeActivator().setDomainComposite(domainComposite);
+ }
+
+ public void stop() throws ActivationException {
+
+ // Stop the runtime
+ runtime.stop();
+
+ // Cleanup
+ domainComposite = null;
+ }
+
+ public ContributionService getContributionService() {
+ return runtime.getContributionService();
+ }
+
+ public CompositeBuilder getCompositeBuilder() {
+ return runtime.getCompositeBuilder();
+ }
+
+ public CompositeActivator getCompositeActivator() {
+ return runtime.getCompositeActivator();
+ }
+
+ public Composite getDomainComposite() {
+ return domainComposite;
+ }
+
+ @Override
+ public ComponentManager getComponentManager() {
+ return componentManager;
+ }
+
+ @Override
+ public void close() {
+ super.close();
+ }
+
+ @Override
+ public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ @Override
+ public <B> B getService(Class<B> businessInterface, String serviceName) {
+ ServiceReference<B> serviceReference = getServiceReference(businessInterface, serviceName);
+ if (serviceReference == null) {
+ throw new ServiceRuntimeException("Service not found: " + serviceName);
+ }
+ return serviceReference.getService();
+ }
+
+ @Override
+ public <B> ServiceReference<B> getServiceReference(Class<B> 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 in the domain
+ Component component = null;
+ for (Composite composite: domainComposite.getIncludes()) {
+ for (Component c: composite.getComponents()) {
+ if (c.getName().equals(componentName)) {
+ component = c;
+ break;
+ }
+ }
+ if (component != null)
+ break;
+ }
+ if (component == null) {
+ throw new ServiceRuntimeException("Component not found: " + componentName);
+ }
+ ComponentContext 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) {
+ if (serviceName != null) {
+ serviceName = "$promoted$." + serviceName;
+ }
+ componentContext = ((RuntimeComponent)compositeService.getPromotedComponent()).getComponentContext();
+ }
+ break;
+ }
+ }
+ if (componentContext == null) {
+ throw new ServiceRuntimeException("Composite service not found: " + name);
+ }
+ } else {
+ componentContext = ((RuntimeComponent)component).getComponentContext();
+ }
+
+ ServiceReference<B> serviceReference;
+ if (serviceName != null) {
+ serviceReference = componentContext.createSelfReference(businessInterface, serviceName);
+ } else {
+ serviceReference = componentContext.createSelfReference(businessInterface);
+ }
+ return serviceReference;
+
+ }
+
+ @Override
+ public String getURI() {
+ return uri;
+ }
+
+}