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Diffstat (limited to 'tags/java/sca/1.5.1/samples/domain-management/src/main/java/manager/DistributeAndRunComponents.java')
| -rw-r--r-- | tags/java/sca/1.5.1/samples/domain-management/src/main/java/manager/DistributeAndRunComponents.java | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1/samples/domain-management/src/main/java/manager/DistributeAndRunComponents.java b/tags/java/sca/1.5.1/samples/domain-management/src/main/java/manager/DistributeAndRunComponents.java new file mode 100644 index 0000000000..83eff15a6a --- /dev/null +++ b/tags/java/sca/1.5.1/samples/domain-management/src/main/java/manager/DistributeAndRunComponents.java @@ -0,0 +1,329 @@ +/* + * 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 manager; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.IOException; +import java.net.URI; +import java.net.URL; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; + +import javax.xml.namespace.QName; +import javax.xml.parsers.DocumentBuilder; +import javax.xml.parsers.DocumentBuilderFactory; +import javax.xml.parsers.ParserConfigurationException; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLOutputFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamWriter; +import javax.xml.transform.TransformerFactory; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Binding; +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.SCABindingFactory; +import org.apache.tuscany.sca.assembly.builder.CompositeBuilder; +import org.apache.tuscany.sca.assembly.builder.impl.CompositeBuilderImpl; +import org.apache.tuscany.sca.binding.atom.AtomBindingFactory; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor; +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.ModelResolverExtensionPoint; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +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.implementation.node.NodeImplementation; +import org.apache.tuscany.sca.implementation.node.NodeImplementationFactory; +import org.apache.tuscany.sca.implementation.node.builder.impl.NodeCompositeBuilderImpl; +import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.MonitorFactory; +import org.apache.tuscany.sca.node.SCANode; +import org.apache.tuscany.sca.node.launcher.NodeLauncher; +import org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory; +import org.apache.tuscany.sca.workspace.Workspace; +import org.apache.tuscany.sca.workspace.WorkspaceFactory; +import org.apache.tuscany.sca.workspace.builder.ContributionDependencyBuilder; +import org.apache.tuscany.sca.workspace.builder.impl.ContributionDependencyBuilderImpl; +import org.apache.xml.serialize.OutputFormat; +import org.apache.xml.serialize.XMLSerializer; +import org.w3c.dom.Document; +import org.xml.sax.SAXException; + +/** + * Sample RunComponents task + * + * Under construction... This sample is similar to the DistributeComponents sample, + * with extra steps to configure SCA runtime nodes with the models, start and stop + * them. + * + * @version $Rev$ $Date$ + */ +public class DistributeAndRunComponents { + private static ExtensionPointRegistry extensionPoints; + private static URLArtifactProcessor<Contribution> contributionProcessor; + private static ModelResolverExtensionPoint modelResolvers; + private static ModelFactoryExtensionPoint modelFactories; + private static WorkspaceFactory workspaceFactory; + private static AssemblyFactory assemblyFactory; + private static XMLOutputFactory outputFactory; + private static DocumentBuilderFactory documentBuilderFactory; + private static TransformerFactory transformerFactory; + private static StAXArtifactProcessor<Object> xmlProcessor; + private static ContributionDependencyBuilder contributionDependencyBuilder; + private static CompositeBuilder domainCompositeBuilder; + private static CompositeBuilder nodeCompositeBuilder; + private static NodeImplementationFactory nodeFactory; + private static AtomBindingFactory atomBindingFactory; + + private static void init() { + + // Create extension point registry + extensionPoints = new DefaultExtensionPointRegistry(); + + // Create a monitor + UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); + MonitorFactory monitorFactory = utilities.getUtility(MonitorFactory.class); + Monitor monitor = monitorFactory.createMonitor(); + + // Initialize the Tuscany module activators + ModuleActivatorExtensionPoint moduleActivators = extensionPoints.getExtensionPoint(ModuleActivatorExtensionPoint.class); + for (ModuleActivator activator: moduleActivators.getModuleActivators()) { + activator.start(extensionPoints); + } + + // Get XML input/output factories + modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); + XMLInputFactory inputFactory = modelFactories.getFactory(XMLInputFactory.class); + outputFactory = modelFactories.getFactory(XMLOutputFactory.class); + documentBuilderFactory = modelFactories.getFactory(DocumentBuilderFactory.class); + transformerFactory = modelFactories.getFactory(TransformerFactory.class); + + // Get contribution workspace and assembly model factories + workspaceFactory = modelFactories.getFactory(WorkspaceFactory.class); + assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + nodeFactory = modelFactories.getFactory(NodeImplementationFactory.class); + atomBindingFactory = modelFactories.getFactory(AtomBindingFactory.class); + + // Create XML artifact processors + StAXArtifactProcessorExtensionPoint xmlProcessorExtensions = extensionPoints.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + xmlProcessor = new ExtensibleStAXArtifactProcessor(xmlProcessorExtensions, inputFactory, outputFactory, monitor); + + // Create contribution content processor + URLArtifactProcessorExtensionPoint docProcessorExtensions = extensionPoints.getExtensionPoint(URLArtifactProcessorExtensionPoint.class); + contributionProcessor = docProcessorExtensions.getProcessor(Contribution.class); + + // Get the model resolvers + modelResolvers = extensionPoints.getExtensionPoint(ModelResolverExtensionPoint.class); + + // Create a contribution dependency builder + contributionDependencyBuilder = new ContributionDependencyBuilderImpl(monitor); + + // Create a composite builder + SCABindingFactory scaBindingFactory = modelFactories.getFactory(SCABindingFactory.class); + IntentAttachPointTypeFactory attachPointTypeFactory = modelFactories.getFactory(IntentAttachPointTypeFactory.class); + InterfaceContractMapper contractMapper = utilities.getUtility(InterfaceContractMapper.class); + Map<Binding, Binding> bindingMap = new HashMap<Binding, Binding>(); + domainCompositeBuilder = new CompositeBuilderImpl(assemblyFactory, scaBindingFactory, attachPointTypeFactory, + documentBuilderFactory, transformerFactory, contractMapper, monitor, bindingMap); + + // Create a node composite builder + nodeCompositeBuilder = new NodeCompositeBuilderImpl(assemblyFactory, scaBindingFactory, + documentBuilderFactory, transformerFactory, contractMapper, null, monitor, bindingMap); + } + + + public static void main(String[] args) throws Exception { + init(); + + // Create workspace model + Workspace workspace = workspaceFactory.createWorkspace(); + workspace.setModelResolver(new ExtensibleModelResolver(workspace, extensionPoints)); + + // Read the sample store contribution + URI storeURI = URI.create("store"); + URL storeURL = new File("./target/sample-domain-management-store.jar").toURI().toURL(); + Contribution storeContribution = contributionProcessor.read(null, storeURI, storeURL); + workspace.getContributions().add(storeContribution); + + // Read the sample assets contribution + URI assetsURI = URI.create("assets"); + URL assetsURL = new File("./target/sample-domain-management-assets.jar").toURI().toURL(); + Contribution assetsContribution = contributionProcessor.read(null, assetsURI, assetsURL); + workspace.getContributions().add(assetsContribution); + + // Read the sample client contribution + URI clientURI = URI.create("client"); + URL clientURL = new File("./target/sample-domain-management-client.jar").toURI().toURL(); + Contribution clientContribution = contributionProcessor.read(null, clientURI, clientURL); + workspace.getContributions().add(clientContribution); + + // Build the contribution dependencies + Map<Contribution, List<Contribution>> contributionDependencies = new HashMap<Contribution, List<Contribution>>(); + Set<Contribution> resolved = new HashSet<Contribution>(); + for (Contribution contribution: workspace.getContributions()) { + List<Contribution> dependencies = contributionDependencyBuilder.buildContributionDependencies(contribution, workspace); + + // Resolve contributions + for (Contribution dependency: dependencies) { + if (!resolved.contains(dependency)) { + resolved.add(dependency); + contributionProcessor.resolve(dependency, workspace.getModelResolver()); + } + } + + contributionDependencies.put(contribution, dependencies); + } + + // Create a set of nodes, and assign the sample deployables to them + Map<Component, List<Contribution>> nodeDependencies = new HashMap<Component, List<Contribution>>(); + Composite cloudComposite = assemblyFactory.createComposite(); + cloudComposite.setName(new QName("http://sample", "cloud")); + int nodeID = 8100; + for (Contribution contribution: workspace.getContributions()) { + for (Composite deployable: contribution.getDeployables()) { + + // Create a node + Component node = assemblyFactory.createComponent(); + node.setName("Node" + nodeID); + cloudComposite.getComponents().add(node); + + // Add default binding configuration to the node, our samples use + // Atom bindings so here we're just creating default Atom binding + // configurations, but all the other binding types can be configured + // like that too + ComponentService nodeService = assemblyFactory.createComponentService(); + Binding binding = atomBindingFactory.createAtomBinding(); + binding.setURI("http://localhost:" + (8100 + nodeID)); + nodeService.getBindings().add(binding); + node.getServices().add(nodeService); + + // Assign a deployable to the node + NodeImplementation nodeImplementation = nodeFactory.createNodeImplementation(); + nodeImplementation.setComposite(deployable); + node.setImplementation(nodeImplementation); + + // Keep track of what contributions will be needed by the node + nodeDependencies.put(node, contributionDependencies.get(contribution)); + + nodeID++; + } + } + + // Print the model describing the nodes that we just built + System.out.println("cloud.composite"); + System.out.println(print(cloudComposite)); + + // Build the nodes, this will apply their default binding configuration to the + // composites assigned to them + nodeCompositeBuilder.build(cloudComposite); + + // Create a composite model for the domain + Composite domainComposite = assemblyFactory.createComposite(); + domainComposite.setName(new QName("http://sample", "domain")); + + // Add all deployables to it, normally the domain administrator would select + // the deployables to include + domainComposite.getIncludes().addAll(workspace.getDeployables()); + + // Build the domain composite and wire the components included in it + domainCompositeBuilder.build(domainComposite); + + // Print out the resulting domain composite + System.out.println("domain.composite"); + System.out.println(print(domainComposite)); + + // Now start our SCA nodes + List<SCANode> runtimeNodes = new ArrayList<SCANode>(); + NodeLauncher launcher = NodeLauncher.newInstance(); + for (Component node: cloudComposite.getComponents()) { + + // Create a composite containing the components that we want to run + // on the node + Composite runnable = assemblyFactory.createComposite(); + runnable.setName(new QName("http://sample", node.getName())); + NodeImplementation nodeImplementation = (NodeImplementation)node.getImplementation(); + for (Component component: nodeImplementation.getComposite().getComponents()) { + for (Component configured: domainComposite.getComponents()) { + if (configured.getName().equals(component.getName())) { + runnable.getComponents().add(configured); + break; + } + } + } + + // Create the SCA node, give it the composite and the list of contributions + // to use + List<Contribution> dependencies = nodeDependencies.get(node); + org.apache.tuscany.sca.node.launcher.Contribution[] contributions = new org.apache.tuscany.sca.node.launcher.Contribution[dependencies.size()]; + for (int c =0, n = dependencies.size(); c < n; c++) { + Contribution dependency = dependencies.get(c); + contributions[c] = new org.apache.tuscany.sca.node.launcher.Contribution(dependency.getURI(), dependency.getLocation()); + } + SCANode runtimeNode = launcher.createNode("http://sample/" + node.getName(), print(runnable), contributions); + + // Start the node + runtimeNode.start(); + runtimeNodes.add(runtimeNode); + } + + System.out.println("Nodes are running, press enter to stop..."); + System.in.read(); + + for (SCANode runtimeNode: runtimeNodes) { + runtimeNode.stop(); + } + } + + private static String print(Composite composite) throws XMLStreamException, ContributionWriteException, ParserConfigurationException, SAXException, IOException { + + ByteArrayOutputStream bos = new ByteArrayOutputStream(); + XMLStreamWriter writer = outputFactory.createXMLStreamWriter(bos); + xmlProcessor.write(composite, writer); + + // Parse and write again to pretty format it + DocumentBuilder documentBuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); + Document document = documentBuilder.parse(new ByteArrayInputStream(bos.toByteArray())); + OutputFormat format = new OutputFormat(); + format.setIndenting(true); + format.setIndent(2); + ByteArrayOutputStream out = new ByteArrayOutputStream(); + XMLSerializer serializer = new XMLSerializer(out, format); + serializer.serialize(document); + return out.toString(); + } +} |