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Diffstat (limited to 'branches/2.0-M2/modules/node-impl-osgi/src/main')
6 files changed, 1008 insertions, 0 deletions
diff --git a/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java b/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java new file mode 100644 index 0000000000..43892d44d8 --- /dev/null +++ b/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeActivator.java @@ -0,0 +1,86 @@ +/* + * 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.osgi.impl; + +import static org.apache.tuscany.sca.node.osgi.impl.NodeManager.isSCABundle; + +import org.osgi.framework.Bundle; +import org.osgi.framework.BundleActivator; +import org.osgi.framework.BundleContext; +import org.osgi.framework.BundleEvent; +import org.osgi.framework.SynchronousBundleListener; + +/** + * Bundle activator to receive the BundleContext + */ +public class NodeActivator implements BundleActivator, SynchronousBundleListener { + private static BundleContext bundleContext; + private boolean inited; + private NodeManager manager; + + private void init() { + synchronized (this) { + if (inited) { + return; + } + manager = new NodeManager(bundleContext); + manager.start(); + bundleContext.addBundleListener(manager); + inited = true; + } + } + + public void start(BundleContext context) throws Exception { + bundleContext = context; + boolean found = false; + for (Bundle b : context.getBundles()) { + if (isSCABundle(b)) { + found = true; + break; + } + } + + if (found) { + init(); + } else { + context.addBundleListener(this); + } + } + + public void stop(BundleContext context) throws Exception { + context.removeBundleListener(this); + bundleContext = null; + } + + public static BundleContext getBundleContext() { + return bundleContext; + } + + public void bundleChanged(BundleEvent event) { + if (event.getType() == BundleEvent.STARTING) { + if (isSCABundle(event.getBundle())) { + bundleContext.removeBundleListener(this); + init(); + } + } + + } + +} diff --git a/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeFactoryImpl.java b/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeFactoryImpl.java new file mode 100644 index 0000000000..37b3f1a6fb --- /dev/null +++ b/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeFactoryImpl.java @@ -0,0 +1,686 @@ +/* +* 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.osgi.impl; + +import static java.lang.System.currentTimeMillis; +import static org.apache.tuscany.sca.node.osgi.impl.NodeUtil.contribution; +import static org.apache.tuscany.sca.node.osgi.impl.NodeUtil.createURI; + +import java.io.File; +import java.io.StringReader; +import java.net.URI; +import java.net.URL; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.concurrent.ConcurrentHashMap; +import java.util.logging.Level; +import java.util.logging.Logger; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamReader; + +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.assembly.builder.CompositeBuilderExtensionPoint; +import org.apache.tuscany.sca.contribution.Artifact; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.ContributionFactory; +import org.apache.tuscany.sca.contribution.DefaultImport; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.resolver.ExtensibleModelResolver; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.resolver.ModelResolverExtensionPoint; +import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.core.ModuleActivator; +import org.apache.tuscany.sca.core.ModuleActivatorExtensionPoint; +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.assembly.RuntimeAssemblyFactory; +import org.apache.tuscany.sca.core.invocation.ExtensibleProxyFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.core.invocation.ProxyFactoryExtensionPoint; +import org.apache.tuscany.sca.definitions.Definitions; +import org.apache.tuscany.sca.definitions.DefinitionsFactory; +import org.apache.tuscany.sca.definitions.util.DefinitionsUtil; +import org.apache.tuscany.sca.implementation.node.ConfiguredNodeImplementation; +import org.apache.tuscany.sca.implementation.node.NodeImplementationFactory; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.MonitorFactory; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; +import org.apache.tuscany.sca.node.Client; +import org.apache.tuscany.sca.node.Node; +import org.apache.tuscany.sca.provider.DefinitionsProvider; +import org.apache.tuscany.sca.provider.DefinitionsProviderException; +import org.apache.tuscany.sca.provider.DefinitionsProviderExtensionPoint; +import org.apache.tuscany.sca.runtime.RuntimeComponent; +import org.apache.tuscany.sca.runtime.RuntimeComponentContext; +import org.apache.tuscany.sca.work.WorkScheduler; +import org.apache.tuscany.sca.workspace.Workspace; +import org.apache.tuscany.sca.workspace.WorkspaceFactory; +import org.apache.tuscany.sca.workspace.builder.ContributionBuilder; +import org.apache.tuscany.sca.workspace.builder.ContributionBuilderExtensionPoint; +import org.oasisopen.sca.CallableReference; +import org.oasisopen.sca.ServiceReference; +import org.oasisopen.sca.ServiceRuntimeException; +import org.osgi.framework.Bundle; + +/** + * Represents an SCA runtime node. + * + * @version $Rev$ $Date$ + */ +public class NodeFactoryImpl { + + private static final String SCA11_TUSCANY_NS = "http://tuscany.apache.org/xmlns/sca/1.1"; + + private static final Logger logger = Logger.getLogger(NodeFactoryImpl.class.getName()); + + private boolean inited; + + private ExtensionPointRegistry extensionPoints; + private UtilityExtensionPoint utilities; + private Monitor monitor; + private URLArtifactProcessor<Contribution> contributionProcessor; + private ModelResolverExtensionPoint modelResolvers; + private FactoryExtensionPoint modelFactories; + private WorkspaceFactory workspaceFactory; + private ContributionFactory contributionFactory; + private AssemblyFactory assemblyFactory; + private XMLInputFactory inputFactory; + private ContributionBuilder contributionDependencyBuilder; + private CompositeBuilder compositeBuilder; + private StAXArtifactProcessorExtensionPoint xmlProcessors; + private StAXArtifactProcessor<Composite> compositeProcessor; + private ProxyFactory proxyFactory; + private List<ModuleActivator> moduleActivators = new ArrayList<ModuleActivator>(); + private WorkScheduler workScheduler; + private Contribution systemContribution; + private Definitions systemDefinitions; + + private Map<Bundle, Node> nodes = new ConcurrentHashMap<Bundle, Node>(); + + /** + * Constructs a new Node controller + */ + public NodeFactoryImpl() { + } + + private ConfiguredNodeImplementation getNodeConfiguration(Bundle bundle) { + // Create a node configuration + NodeImplementationFactory nodeImplementationFactory = + modelFactories.getFactory(NodeImplementationFactory.class); + ConfiguredNodeImplementation configuration = nodeImplementationFactory.createConfiguredNodeImplementation(); + + String compositeURI = (String)bundle.getHeaders().get("SCA-Composite"); + if (compositeURI == null) { + compositeURI = "OSGI-INF/sca/bundle.composite"; + } + if (compositeURI != null) { + Composite composite = assemblyFactory.createComposite(); + composite.setURI(compositeURI); + composite.setUnresolved(true); + configuration.setComposite(composite); + } + + URL root = bundle.getEntry("/"); + org.apache.tuscany.sca.node.Contribution bundleContribution = + new org.apache.tuscany.sca.node.Contribution(bundle.getSymbolicName(), root.toString()); + + Contribution contribution = contribution(contributionFactory, bundleContribution); + configuration.getContributions().add(contribution); + return configuration; + } + + private ConfiguredNodeImplementation getNodeConfiguration(Bundle bundle, String compositeContent) throws Exception { + + ConfiguredNodeImplementation configuration = getNodeConfiguration(bundle); + + Contribution deploymentContrib = createDeploymentContribution(compositeContent); + + configuration.setComposite(deploymentContrib.getDeployables().get(0)); + configuration.getContributions().add(deploymentContrib); + + return configuration; + } + + /** + * Create an SCA contribution to hold the deployment composite + * @param compositeContent The XML string for the deployment composite + * @return An SCA contribution with the deployment composite + * @throws Exception + */ + private Contribution createDeploymentContribution(String compositeContent) throws Exception { + // Create the deployment contribution + Contribution contrib = contributionFactory.createContribution(); + contrib.setURI(SCA11_TUSCANY_NS + "/contributions/_deployment_"); + contrib.setLocation(SCA11_TUSCANY_NS + "/contributions/_deployment_"); + ModelResolver modelResolver = new ExtensibleModelResolver(contrib, modelResolvers, modelFactories); + contrib.setModelResolver(modelResolver); + contrib.setUnresolved(false); + + // Load the deployment composite + XMLStreamReader reader = inputFactory.createXMLStreamReader(new StringReader(compositeContent)); + reader.nextTag(); + + // Read the composite model + Composite deploymentComposite = (Composite)compositeProcessor.read(reader); + + Artifact compositeArtifact = contributionFactory.createArtifact(); + compositeArtifact.setModel(deploymentComposite); + compositeArtifact.setURI("META-INF/_deployment_.composite"); + compositeArtifact.setContents(compositeContent.getBytes("UTF-8")); + compositeArtifact.setLocation(SCA11_TUSCANY_NS + "/contributions/_deployment_/META-INF/_deployment_.composite"); + compositeArtifact.setUnresolved(false); + + contrib.getArtifacts().add(compositeArtifact); + contrib.getDeployables().add(deploymentComposite); + + analyzeProblems(); + return contrib; + } + + private synchronized void init() { + if (inited) { + return; + } + long start = currentTimeMillis(); + + // Create extension point registry + extensionPoints = new DefaultExtensionPointRegistry(); + + // Use the runtime-enabled assembly factory + modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); + assemblyFactory = new RuntimeAssemblyFactory(); + modelFactories.addFactory(assemblyFactory); + + // Create a monitor + utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); + MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class); + monitor = monitorFactory.createMonitor(); + + // Initialize the Tuscany module activators + ModuleActivatorExtensionPoint activators = + extensionPoints.getExtensionPoint(ModuleActivatorExtensionPoint.class); + for (ModuleActivator moduleActivator : activators.getModuleActivators()) { + try { + moduleActivator.start(extensionPoints); + moduleActivators.add(moduleActivator); + } catch (Throwable e) { + // Ignore the failing module for now + logger.log(Level.SEVERE, e.getMessage(), e); + } + } + + // Get XML input/output factories + inputFactory = modelFactories.getFactory(XMLInputFactory.class); + + // Get contribution workspace and assembly model factories + contributionFactory = modelFactories.getFactory(ContributionFactory.class); + workspaceFactory = modelFactories.getFactory(WorkspaceFactory.class); + + // Create XML artifact processors + xmlProcessors = extensionPoints.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + compositeProcessor = xmlProcessors.getProcessor(Composite.class); + + // Create contribution content processor + URLArtifactProcessorExtensionPoint docProcessorExtensions = + extensionPoints.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); + contributionProcessor = docProcessorExtensions.getProcessor(Contribution.class); + + // Get the model resolvers + modelResolvers = extensionPoints.getExtensionPoint(ModelResolverExtensionPoint.class); + + // Get a contribution dependency builder + ContributionBuilderExtensionPoint contributionBuilders = + extensionPoints.getExtensionPoint(ContributionBuilderExtensionPoint.class); + contributionDependencyBuilder = + contributionBuilders + .getContributionBuilder("org.apache.tuscany.sca.workspace.builder.ContributionDependencyBuilder"); + + // Get composite builders + CompositeBuilderExtensionPoint compositeBuilders = + extensionPoints.getExtensionPoint(CompositeBuilderExtensionPoint.class); + compositeBuilder = + compositeBuilders.getCompositeBuilder("org.apache.tuscany.sca.assembly.builder.CompositeBuilder"); + + // Initialize runtime + + // Get proxy factory + ProxyFactoryExtensionPoint proxyFactories = extensionPoints.getExtensionPoint(ProxyFactoryExtensionPoint.class); + proxyFactory = new ExtensibleProxyFactory(proxyFactories); + + workScheduler = utilities.getUtility(WorkScheduler.class); + + // Load the system definitions.xml from all of the loaded extension points + DefinitionsProviderExtensionPoint definitionsProviders = + extensionPoints.getExtensionPoint(DefinitionsProviderExtensionPoint.class); + DefinitionsFactory definitionsFactory = modelFactories.getFactory(DefinitionsFactory.class); + systemDefinitions = definitionsFactory.createDefinitions(); + + // aggregate all the definitions into a single definitions model + try { + for (DefinitionsProvider definitionsProvider : definitionsProviders.getDefinitionsProviders()) { + DefinitionsUtil.aggregate(definitionsProvider.getDefinitions(), systemDefinitions); + } + } catch (DefinitionsProviderException e) { + throw new IllegalStateException(e); + } + + // create a system contribution to hold the definitions. The contribution + // will be extended later with definitions from application contributions + systemContribution = contributionFactory.createContribution(); + systemContribution.setURI(SCA11_TUSCANY_NS + "/contributions/_system_"); + systemContribution.setLocation(SCA11_TUSCANY_NS + "/contributions/_system_"); + ModelResolver modelResolver = new ExtensibleModelResolver(systemContribution, modelResolvers, modelFactories); + systemContribution.setModelResolver(modelResolver); + systemContribution.setUnresolved(true); + + // create an artifact to represent the system defintions and + // add it to the contribution + List<Artifact> artifacts = systemContribution.getArtifacts(); + Artifact artifact = contributionFactory.createArtifact(); + artifact.setURI(SCA11_TUSCANY_NS + "/contributions/_system_/definitions"); + artifact.setLocation(SCA11_TUSCANY_NS + "/contributions/_system_/definitions"); + artifact.setModel(systemDefinitions); + artifacts.add(artifact); + + if (logger.isLoggable(Level.FINE)) { + long end = currentTimeMillis(); + logger.fine("The tuscany runtime started in " + (end - start) + " ms."); + } + inited = true; + } + + private Composite configureNode(ConfiguredNodeImplementation configuration) throws Exception { + + // Create workspace model + Workspace workspace = workspaceFactory.createWorkspace(); + workspace.setModelResolver(new ExtensibleModelResolver(workspace, modelResolvers, modelFactories)); + + // Load the specified contributions + for (Contribution c : configuration.getContributions()) { + URI contributionURI = URI.create(c.getURI()); + + URI uri = createURI(c.getLocation()); + if (uri.getScheme() == null) { + uri = new File(c.getLocation()).toURI(); + } + URL contributionURL = uri.toURL(); + + // Load the contribution + logger.log(Level.INFO, "Loading contribution: " + contributionURL); + Contribution contribution = contributionProcessor.read(null, contributionURI, contributionURL); + workspace.getContributions().add(contribution); + analyzeProblems(); + } + + // Build an aggregated SCA definitions model. Must be done before we try and + // resolve any contributions or composites as they may depend on the full + // definitions.xml picture + + // get all definitions.xml artifacts from contributions and aggregate + // into the system contribution. In turn add a default import into + // each contribution so that for unresolved items the resolution + // processing will look in the system contribution + for (Contribution contribution : workspace.getContributions()) { + // aggregate definitions + for (Artifact artifact : contribution.getArtifacts()) { + Object model = artifact.getModel(); + if (model instanceof Definitions) { + DefinitionsUtil.aggregate((Definitions)model, systemDefinitions); + } + } + + // create a default import and wire it up to the system contribution + // model resolver. This is the trick that makes the resolution processing + // skip over to the system contribution if resolution is unsuccessful + // in the current contribution + DefaultImport defaultImport = contributionFactory.createDefaultImport(); + defaultImport.setModelResolver(systemContribution.getModelResolver()); + contribution.getImports().add(defaultImport); + } + + // now resolve the system contribution and add the contribution + // to the workspace + contributionProcessor.resolve(systemContribution, workspace.getModelResolver()); + workspace.getContributions().add(systemContribution); + + // TODO - Now we can calculate applicable policy sets for each composite + + // Build the contribution dependencies + Set<Contribution> resolved = new HashSet<Contribution>(); + for (Contribution contribution : workspace.getContributions()) { + contributionDependencyBuilder.build(contribution, workspace, monitor); + + // Resolve contributions + for (Contribution dependency : contribution.getDependencies()) { + if (!resolved.contains(dependency)) { + resolved.add(dependency); + contributionProcessor.resolve(dependency, workspace.getModelResolver()); + } + } + } + + Composite composite = configuration.getComposite(); + + if (composite == null) { + composite = getDefaultComposite(configuration, workspace); + } + + // Find the composite in the given contributions + boolean found = false; + Artifact compositeFile = contributionFactory.createArtifact(); + compositeFile.setUnresolved(true); + compositeFile.setURI(composite.getURI()); + for (Contribution contribution : workspace.getContributions()) { + ModelResolver resolver = contribution.getModelResolver(); + // for (Artifact artifact : contribution.getArtifacts()){ + // logger.log(Level.INFO,"artifact - " + artifact.getURI()); + // } + Artifact resolvedArtifact = resolver.resolveModel(Artifact.class, compositeFile); + // if (!resolvedArtifact.isUnresolved() && resolvedArtifact.getModel() instanceof Composite) { + + if (!composite.isUnresolved()) { + + // The composite content was passed into the node and read into a composite model, + // don't use the composite found in the contribution, use that composite, but just resolve + // it within the context of the contribution + compositeProcessor.resolve(composite, resolver); + + } else { + + // Use the resolved composite we've found in the contribution + composite = (Composite)resolvedArtifact.getModel(); + } + found = true; + // break; + // } + } + // if (!found) { + // throw new IllegalArgumentException("Composite not found: " + composite.getURI()); + // } + + // Build the composite and wire the components included in it + compositeBuilder.build(composite, systemDefinitions, monitor); + analyzeProblems(); + + // Create a top level composite to host our composite + // This is temporary to make the activator happy + Composite tempComposite = assemblyFactory.createComposite(); + tempComposite.setName(new QName(SCA11_TUSCANY_NS, "_domain_fragment_")); + tempComposite.setURI(SCA11_TUSCANY_NS + "_domain_fragment_.composite"); + + // Include the node composite in the top-level composite + tempComposite.getIncludes().add(composite); + + /* + // The following line may return null, to be investigated + XPathFactory xPathFactory = modelFactories.getFactory(XPathFactory.class); + + for (PolicySet policySet : systemDefinitions.getPolicySets()) { + if (policySet.getAppliesTo() != null) { + XPath xpath = xPathFactory.newXPath(); + // FIXME: We need to develop a xpath function resolver to + // deal with the SCA functions + // xpath.setXPathFunctionResolver(resolver); + XPathExpression exp = xpath.compile(policySet.getAppliesTo()); + // exp.evaluate(item, XPathConstants.BOOLEAN); + } + } + */ + return tempComposite; + } + + public void destroy() { + // Stop the runtime modules + for (ModuleActivator moduleActivator : moduleActivators) { + moduleActivator.stop(extensionPoints); + } + + // Stop and destroy the work manager + workScheduler.destroy(); + } + + public Node createNode(Bundle bundle) { + Node node = new NodeImpl(bundle); + nodes.put(bundle, node); + return node; + } + + public Node creatNode(Bundle bundle, String compositeContent) { + Node node = new NodeImpl(bundle, compositeContent); + nodes.put(bundle, node); + return node; + } + + /** + * Analyze problems reported by the artifact processors and builders. + * + * @throws Exception + */ + private void analyzeProblems() throws Exception { + for (Problem problem : monitor.getProblems()) { + if ((problem.getSeverity() == Severity.ERROR) && (!problem.getMessageId().equals("SchemaError"))) { + if (problem.getCause() != null) { + throw problem.getCause(); + } else { + throw new ServiceRuntimeException(problem.toString()); + } + } + } + } + + /* + * Sets a default composite by using any deployable one. + */ + private Composite getDefaultComposite(ConfiguredNodeImplementation configuration, Workspace workspace) { + // just use the first deployable composte + for (Contribution contribution : workspace.getContributions()) { + for (Composite c : contribution.getDeployables()) { + Composite composite = assemblyFactory.createComposite(); + composite.setURI(c.getURI()); + composite.setUnresolved(true); + configuration.setComposite(composite); + return composite; + } + } + throw new ServiceRuntimeException("no deployable composite found"); + } + + public ExtensionPointRegistry getExtensionPoints() { + return extensionPoints; + } + + public class NodeImpl implements Node, Client { + private Bundle bundle; + private Composite domainFragementComposite; + private CompositeActivator compositeActivator; + + public NodeImpl(Bundle bundle) { + try { + // Initialize the runtime + init(); + + this.bundle = bundle; + ConfiguredNodeImplementation configuration = getNodeConfiguration(bundle); + + // Configure the node + this.domainFragementComposite = configureNode(configuration); + this.compositeActivator = utilities.getUtility(CompositeActivator.class, true); + this.compositeActivator.setDomainComposite(domainFragementComposite); + + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } + + public NodeImpl(Bundle bundle, String compositeContent) { + try { + // Initialize the runtime + init(); + + this.bundle = bundle; + ConfiguredNodeImplementation configuration = getNodeConfiguration(bundle, compositeContent); + + // Configure the node + this.domainFragementComposite = configureNode(configuration); + this.compositeActivator = utilities.getUtility(CompositeActivator.class, true); + this.compositeActivator.setDomainComposite(domainFragementComposite); + + } catch (Exception e) { + throw new ServiceRuntimeException(e); + } + } + + public void start() { + logger.log(Level.INFO, "Starting node: " + bundle.getSymbolicName()); + + try { + + Composite composite = domainFragementComposite.getIncludes().get(0); + // Activate the composite + compositeActivator.activate(composite); + + // Start the composite + compositeActivator.start(composite); + + } catch (ActivationException e) { + throw new IllegalStateException(e); + } + + } + + public void stop() { + logger.log(Level.INFO, "Stopping node: " + bundle.getSymbolicName()); + + try { + + Composite composite = domainFragementComposite.getIncludes().get(0); + // Stop the composite + compositeActivator.stop(composite); + + // Deactivate the composite + compositeActivator.deactivate(composite); + + } catch (ActivationException e) { + throw new IllegalStateException(e); + } + + } + + public <B, R extends CallableReference<B>> R cast(B target) throws IllegalArgumentException { + return (R)proxyFactory.cast(target); + } + + 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(); + } + + 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 + Component component = null; + + for (Component compositeComponent : domainFragementComposite.getIncludes().get(0).getComponents()) { + if (compositeComponent.getName().equals(componentName)) { + component = compositeComponent; + } + } + + if (component == null) { + throw new ServiceRuntimeException("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) { + if (serviceName != null) { + serviceName = "$promoted$" + component.getName() + "$slash$" + serviceName; + } + 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 void destroy() { + this.bundle = null; + this.domainFragementComposite = null; + nodes.remove(this); + } + + } + + public Map<Bundle, Node> getNodes() { + return nodes; + } +} diff --git a/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeManager.java b/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeManager.java new file mode 100644 index 0000000000..73c98af714 --- /dev/null +++ b/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeManager.java @@ -0,0 +1,123 @@ +/* + * 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.osgi.impl; + +import java.util.Dictionary; +import java.util.Enumeration; +import java.util.logging.Level; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.node.Node; +import org.osgi.framework.Bundle; +import org.osgi.framework.BundleContext; +import org.osgi.framework.BundleEvent; +import org.osgi.framework.ServiceEvent; +import org.osgi.framework.ServiceListener; +import org.osgi.framework.SynchronousBundleListener; + +/** + * Managing the mapping between OSGi bundles and SCA implementation.osgi + */ +public class NodeManager implements SynchronousBundleListener, ServiceListener { + private static final Logger logger = Logger.getLogger(NodeManager.class.getName()); + private BundleContext bundleContext; + private NodeFactoryImpl factory; + public NodeManager(BundleContext bundleContext) { + super(); + this.bundleContext = bundleContext; + this.factory = new NodeFactoryImpl(); + } + + public void start() { + for (Bundle b : bundleContext.getBundles()) { + if ((b.getState() & Bundle.ACTIVE) != 0) { + // Process the active bundles + bundleStarted(b); + } + } + } + + public void stop() { + if (factory != null) { + factory.destroy(); + } + } + + public static boolean isSCABundle(Bundle bundle) { + Dictionary<?, ?> headers = bundle.getHeaders(); + // OSGi RFC 119 SCA + if (headers.get("SCA-Composite") != null) { + return true; + } + Enumeration<?> entries = bundle.findEntries("OSGI-INF/sca", "*", false); + if (entries != null && entries.hasMoreElements()) { + return true; + } + + // OSGi Declarative Services + if (headers.get("Service-Component") != null) { + return true; + } + + // OSGI RFC 124: BluePrint Service + if (headers.get("Bundle-Blueprint") != null) { + return true; + } + + entries = bundle.findEntries("OSGI-INF/blueprint", "*.xml", false); + if (entries != null && entries.hasMoreElements()) { + return true; + } + return false; + } + + private void bundleStarted(Bundle bundle) { + if (!isSCABundle(bundle)) { + return; + } + try { + Node node = factory.createNode(bundle); + node.start(); + } catch (Throwable e) { + logger.log(Level.SEVERE, e.getMessage(), e); + } + } + + private void bundleStopping(Bundle bundle) { + Node node = factory.getNodes().get(bundle); + if (node == null) { + return; + } + node.stop(); + } + + public void serviceChanged(ServiceEvent event) { + } + + public void bundleChanged(BundleEvent event) { + int type = event.getType(); + if (type == BundleEvent.STOPPING) { + bundleStopping(event.getBundle()); + } else if (type == BundleEvent.STARTED) { + bundleStarted(event.getBundle()); + } + } + +} diff --git a/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeUtil.java b/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeUtil.java new file mode 100644 index 0000000000..63324bf4c4 --- /dev/null +++ b/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/NodeUtil.java @@ -0,0 +1,56 @@ +/* + * 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.osgi.impl; + +import java.net.URI; +import java.util.logging.Logger; + +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.ContributionFactory; + +/** + * NodeUtil + * + * @version $Rev: $ $Date: $ + */ +public class NodeUtil { + private static final Logger logger = Logger.getLogger(NodeFactoryImpl.class.getName()); + + static Contribution contribution(ContributionFactory contributionFactory, org.apache.tuscany.sca.node.Contribution c) { + Contribution contribution = contributionFactory.createContribution(); + contribution.setURI(c.getURI()); + contribution.setLocation(c.getLocation()); + contribution.setUnresolved(true); + return contribution; + } + + /** + * Escape the space in URL string + * @param uri + * @return + */ + static URI createURI(String uri) { + if (uri.indexOf(' ') != -1) { + uri = uri.replace(" ", "%20"); + } + return URI.create(uri); + } + +} diff --git a/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/OSGiServiceTracker.java b/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/OSGiServiceTracker.java new file mode 100644 index 0000000000..59ee133061 --- /dev/null +++ b/branches/2.0-M2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/node/osgi/impl/OSGiServiceTracker.java @@ -0,0 +1,40 @@ +/* + * 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.osgi.impl; + +import org.osgi.framework.ServiceReference; +import org.osgi.util.tracker.ServiceTrackerCustomizer; + +/** + * A ServiceTracker + */ +public class OSGiServiceTracker implements ServiceTrackerCustomizer { + + public Object addingService(ServiceReference serviceReference) { + return null; + } + + public void modifiedService(ServiceReference serviceReference, Object service) { + } + + public void removedService(ServiceReference serviceReference, Object service) { + } + +} diff --git a/branches/2.0-M2/modules/node-impl-osgi/src/main/resources/META-INF/services/org.apache.tuscany.sca.node.NodeFactory b/branches/2.0-M2/modules/node-impl-osgi/src/main/resources/META-INF/services/org.apache.tuscany.sca.node.NodeFactory new file mode 100644 index 0000000000..2d7902084d --- /dev/null +++ b/branches/2.0-M2/modules/node-impl-osgi/src/main/resources/META-INF/services/org.apache.tuscany.sca.node.NodeFactory @@ -0,0 +1,17 @@ +# 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.
+# org.apache.tuscany.sca.node.osgi.impl.NodeFactoryImpl
\ No newline at end of file |