diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca')
9 files changed, 1998 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/Node.java b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/Node.java new file mode 100644 index 0000000000..b316ae7cbd --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/Node.java @@ -0,0 +1,274 @@ +/* + * 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; + +import java.io.Reader; +import java.util.List; +import java.util.Map; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; + +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.monitor.ValidationException; +import org.apache.tuscany.sca.runtime.ActivationException; +import org.apache.tuscany.sca.runtime.ContributionDescription; +import org.oasisopen.sca.NoSuchServiceException; + +/** + * A Node provides APIs to configure, update, and view an SCA domain + */ +public interface Node { + + /** + * Creates an installed contribution from a supplied root contribution URL. + * See section 10.5.1 of the Assembly Specification. This method is the same + * as calling installContribution(null, contributionURL, null, null) + * + * @param contributionURL the URL where the contribution is located + * @return the URI of the installed contribution + * + * @throws ContributionReadException + * @throws ValidationException + */ + String installContribution(String contributionURL) throws ContributionReadException, ValidationException; + + /** + * Creates an installed contribution from a supplied root contribution and installed at a supplied base URI. + * See section 10.5.1 of the Assembly Specification. + * + * @param uri the base uri of where to install the contribution. May be null in which case a URI is derived from the contribution URL + * @param contributionURL the URL where the contribution is located + * @param metaDataURL the location of an optional generated Contribution Metadata Document. See section 10.2.2 + * of the Assembly Specification. May be null. + * @param dependentContributionURIs specifies the contributions that are used to resolve the dependencies of the + * root contribution and other dependent contributions. May be null. + * @return the URI of the installed contribution + * + * @throws ContributionReadException + * @throws ValidationException + */ + String installContribution(String uri, String contributionURL, String metaDataURL, List<String> dependentContributionURIs) throws ContributionReadException, ValidationException; + + /** + * Creates an installed contribution from a supplied Contribution object. + * See section 10.5.1 of the Assembly Specification. + * + * @param contribution the Contribution object + * @param dependentContributionURIs specifies the contributions that are used to resolve the dependencies of the + * root contribution and other dependent contributions. May be null. + */ + void installContribution(Contribution contribution, List<String> dependentContributionURIs); + + /** + * 4599 10.5.2 add Deployment Composite & update Deployment Composite + * 4600 Adds or updates a deployment composite using a supplied composite ("composite by value" - a data + * 4601 structure, not an existing resource in the Domain) to the contribution identified by a supplied contribution + * 4602 URI. The added or updated deployment composite is given a relative URI that matches the @name + * 4603 attribute of the composite, with a ".composite" suffix. Since all composites run within the context of a + * 4604 installed contribution (any component implementations or other definitions are resolved within that + * 4605 contribution), this functionality makes it possible for the deployer to create a composite with final + * 4606 configuration and wiring decisions and add it to an installed contribution without having to modify the + * 4607 contents of the root contribution. + * 4608 Also, in some use cases, a contribution might include only implementation code (e.g. PHP scripts). It is + * 4609 then possible for those to be given component names by a (possibly generated) composite that is added + * 4610 into the installed contribution, without having to modify the packaging. * + * + * @param contributionURI the URI of the installed contribution to add the composite to + * @param compositeXML the composite to add to the contribution + * @return + * @throws XMLStreamException + * @throws ContributionReadException + * @throws ActivationException + * @throws ValidationException + */ + String addDeploymentComposite(String contributionURI, Reader compositeXML) throws ContributionReadException, XMLStreamException, ActivationException, ValidationException; + + /** + * 4599 10.5.2 add Deployment Composite & update Deployment Composite + * 4600 Adds or updates a deployment composite using a supplied composite ("composite by value" - a data + * 4601 structure, not an existing resource in the Domain) to the contribution identified by a supplied contribution + * 4602 URI. The added or updated deployment composite is given a relative URI that matches the @name + * 4603 attribute of the composite, with a ".composite" suffix. Since all composites run within the context of a + * 4604 installed contribution (any component implementations or other definitions are resolved within that + * 4605 contribution), this functionality makes it possible for the deployer to create a composite with final + * 4606 configuration and wiring decisions and add it to an installed contribution without having to modify the + * 4607 contents of the root contribution. + * 4608 Also, in some use cases, a contribution might include only implementation code (e.g. PHP scripts). It is + * 4609 then possible for those to be given component names by a (possibly generated) composite that is added + * 4610 into the installed contribution, without having to modify the packaging. * + * + * @param contributionURI the URI of the installed contribution to add the composite to + * @param composite the Composite to add to the contribution + * @return + * @throws XMLStreamException + * @throws ContributionReadException + * @throws ActivationException + * @throws ValidationException + */ + String addDeploymentComposite(String contributionURI, Composite composite) throws ActivationException, ValidationException; + + /** + * 4611 11.4.310.5.3 remove Contribution + * 4612 Removes the deployed contribution identified by a supplied contribution URI. + * + * @param contributionURI + * @return List of contribution URIs (includes dependent contributions) which were removed + */ + void uninstallContribution(String contributionURI); + + /** + * 4677 10.7.1 add To Domain-Level Composite + * 4678 This functionality adds the composite identified by a supplied URI to the Domain Level Composite. The + * 4679 supplied composite URI refers to a composite within an installed contribution. The composite's installed + * 4680 contribution determines how the composite's artifacts are resolved (directly and indirectly). The supplied + * 4681 composite is added to the domain composite with semantics that correspond to the domain-level + * 4683 components become top-level components and the component services become externally visible + * 4684 services (eg. they would be present in a WSDL description of the Domain). The meaning of any promoted + * 4685 services and references in the supplied composite is not defined; since there is no composite scope + * 4686 outside the domain composite, the usual idea of promotion has no utility. + * + * @param cotributionURI + * @param compositeURI + * @throws ActivationException + * @throws ValidationException + * @throws ContributionReadException + */ + void startComposite(String contributionURI, String compositeURI) throws ActivationException, ValidationException, ContributionReadException; + void startComposite(String contributionURI, String compositeURI, String nodeName) throws ActivationException; + + void stopCompositeAndUninstallUnused(String contributionURI, String compositeURI) throws ActivationException; + + /** + * 4687 10.7.2 remove From Domain-Level Composite + * 4688 Removes from the Domain Level composite the elements corresponding to the composite identified by a + * 4689 supplied composite URI. This means that the removal of the components, wires, services and references + * 4690 originally added to the domain level composite by the identified composite. + * @param contributionURI + * @param compositeURI + * @throws ActivationException + */ + void stopComposite(String contributionURI, String compositeURI) throws ActivationException; + + /** + * Starts all the deployable composites in a contriubution + * @param contributionURI + * @return the list of composite URIs which were started + * @throws ActivationException + * @throws ValidationException + * @throws ContributionReadException + */ + List<String> startDeployables(String contributionURI) throws ActivationException, ValidationException, ContributionReadException; + + /** + * 10.7.3 get Domain-Level Composite + * Returns a <composite> definition that has an <include> line for each composite that had been added to + * the domain level composite. It is important to note that, in dereferencing the included composites, any + * referenced artifacts are resolved in terms of that installed composite. + * + * @return + */ + Composite getDomainComposite(); + + /** + * 4695 10.7.4 get QName Definition + * 4696 In order to make sense of the domain-level composite (as returned by get Domain-Level Composite), it + * 4697 needs to be possible to get the definitions for named artifacts in the included composites. This + * 4698 functionality takes the supplied URI of an installed contribution (which provides the context), a supplied + * 4699 qualified name of a definition to look up, and a supplied symbol space (as a QName, e.g. + * 4700 wsdl:PortTypeportType). The result is a single definition, in whatever form is appropriate for that + * 4701 definition type. + * 4702 Note that this, like all the other domain-level operations, is a conceptual operation. Its capabilities need to + * 4703 exist in some form, but not necessarily as a service operation with exactly this signature. + * @param contributionURI + * @param definition + * @param symbolSpace + * @return + */ + Object getQNameDefinition(String contributionURI, QName definition, QName symbolSpace); + +// /** +// * Probably want to be able to stop it all at once so a method called stop or shutdown or destroy +// */ + void stop(); + + /** + * Would also be convenient to get service proxys as from SCAClientFactory + */ + <T> T getService(Class<T> interfaze, String serviceURI) throws NoSuchServiceException; + + /** + * Get the URIs of any composites that have been started in the domain + * @return a map with key contributionURI and value a list of the started compositeURIs + */ + Map<String, List<String>> getStartedCompositeURIs(); + + /** + * Get the URIs of all the contributions installed on this Node + * @return the list of installed contribution URIs + */ + List<String> getInstalledContributionURIs(); + + /** + * Get an installed Contribution + * @param uri the URI of the contribution + * @return the Contribution + * @throws ValidationException + * @throws ContributionReadException + */ + Contribution getContribution(String uri) throws ContributionReadException, ValidationException; + + /** + * Gets the Domain URI used to configure this Node. + * + * @return the domain uri string + */ + String getDomainURI(); + + /** + * Gets the Domain name of this Node. + * + * @return the domain name + */ + String getDomainName(); + + List<String> getDeployableCompositeURIs(String contributionURI); + // TODO: should this be exposed on the interface? + public ContributionDescription getInstalledContribution(String contributionURI); + + void validateContribution(String string) throws ContributionReadException, ValidationException; + + // TODO: should these member getters be replaced with a getDomainRegistry? + List<String> getNodeNames(); + String getLocalNodeName(); + String getRunningNodeName(String contributionURI, String compositeURI); + + // TODO: Add methods to get: + // get/display contribution content + // a view-only Node + // dirty started composites (contributions updated while composite running) + // adding foreign endpoints to support domain federation, eg perhaps: + // void addForeignEndpoint(String serviceName, Binding b); + // void removeForeignEndpoint(String serviceName); + // List<String> getForeignEndpoints(); + // Binding getForeignEndpoint(String serviceName); +} diff --git a/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/TuscanyRuntime.java b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/TuscanyRuntime.java new file mode 100644 index 0000000000..08c4e3604f --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/TuscanyRuntime.java @@ -0,0 +1,371 @@ +/* + * 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; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.net.URI; +import java.net.URL; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import java.util.Properties; + +import javax.xml.stream.XMLStreamException; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.common.java.io.IOHelper; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +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.ModuleActivatorExtensionPoint; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.core.assembly.RuntimeAssemblyFactory; +import org.apache.tuscany.sca.deployment.Deployer; +import org.apache.tuscany.sca.impl.NodeImpl; +import org.apache.tuscany.sca.monitor.ValidationException; +import org.apache.tuscany.sca.node.configuration.ContributionConfiguration; +import org.apache.tuscany.sca.node.configuration.NodeConfiguration; +import org.apache.tuscany.sca.runtime.ActivationException; +import org.apache.tuscany.sca.runtime.CompositeActivator; +import org.apache.tuscany.sca.runtime.DomainRegistry; +import org.apache.tuscany.sca.runtime.ExtensibleDomainRegistryFactory; +import org.apache.tuscany.sca.runtime.RuntimeProperties; +import org.apache.tuscany.sca.work.WorkScheduler; +import org.oasisopen.sca.ServiceRuntimeException; + +/** + * The TuscanyRuntime is the main class for using Tuscany. It can create Nodes, + * run composites, and provides access to various utility APIs + */ +public class TuscanyRuntime { + + public static final String DEFAUL_DOMAIN_NAME = "default"; + private Deployer deployer; + private ExtensionPointRegistry extensionPointRegistry; + private CompositeActivator compositeActivator; + private ExtensibleDomainRegistryFactory domainRegistryFactory; + private RuntimeAssemblyFactory assemblyFactory; + + /** + * Creates a new TuscanyRuntime + * @return a TuscanyRuntime + */ + public static TuscanyRuntime newInstance() { + return new TuscanyRuntime(null); + } + + /** + * Creates a new TuscanyRuntime + * @param config Properties to configure the TuscanyRuntime + * @return a TuscanyRuntime + */ + public static TuscanyRuntime newInstance(Properties config) { + return new TuscanyRuntime(config); + } + + /** + * A helper method to run a standalone SCA composite in the default standalone SCA domain. + * @param compositeURI URI within the contribution of a composite to run + * if compositeURI is null then all deployable composites in the contribution will be run + * @param contributionURL URL of the contribution + * @param dependentContributionURLs optional URLs of dependent contributions + * @return a Node with installed contributions + */ + public static Node runComposite(String compositeURI, String contributionURL, String... dependentContributionURLs) { + return runComposite(null, compositeURI, contributionURL, dependentContributionURLs); + } + + /** + * A helper method to run a standalone SCA composite in a SCA domain + * @param domainURI the URI of the SCA domain + * @param compositeURI URI within the contribution of a composite to run + * if compositeURI is null then all deployable composites in the contribution will be run + * @param contributionURL URL of the contribution + * @param dependentContributionURLs optional URLs of dependent contributions + * @return a Node with installed contributions + */ + public static Node runComposite(URI domainURI, String compositeURI, String contributionURL, String... dependentContributionURLs) { + try { + TuscanyRuntime runtime = newInstance(); + String domain = domainURI == null ? DEFAUL_DOMAIN_NAME : domainURI.toString(); + DomainRegistry domainRegistry = runtime.domainRegistryFactory.getEndpointRegistry(domain, null); + NodeImpl node = new NodeImpl(runtime.deployer, runtime.compositeActivator, domainRegistry, runtime.extensionPointRegistry, runtime); + + if (dependentContributionURLs != null) { + for (int i=dependentContributionURLs.length-1; i>-1; i--) { + node.installContribution(null, dependentContributionURLs[i], null, null); + } + } + + String curi = node.installContribution(null, contributionURL, null, null); + if (compositeURI != null) { + node.startComposite(curi, compositeURI); + } else { + for (String compURI : node.getDeployableCompositeURIs(curi)) { + node.startComposite(curi, compURI); + } + } + return node; + + } catch (Exception e) { + throw new RuntimeException(e); + } + } + + protected TuscanyRuntime(Properties config) { + init(config); + } + + /** + * Creates a Node + * @return a Node + */ + public Node createNode() { + return createNode((String)null); + } + + /** + * Creates a Node in an SCA domain + * @param domainURI the URI of the SCA domain + * @return a Node + */ + public Node createNode(String domainURI) { + if (domainURI == null){ + domainURI = DEFAUL_DOMAIN_NAME; + } + DomainRegistry domainRegistry = domainRegistryFactory.getEndpointRegistry(domainURI, null); + return new NodeImpl(deployer, compositeActivator, domainRegistry, extensionPointRegistry, null); + } + + /* + * Create a node from a file system directory. + * If the directory is actually a file use createNodeFromXML + * if the directory contains a file named node.xml then use createNodeFromXML + * Otherwise, the directory can contain: + * domain.properties + * contributions - jar, zip, or exploded directories + * sca-contribution.xml metaData files to override whats in a contribution + * .composite files to add to contributions as additional deployables + * + * TODO: Review if this is useful? + */ + public Node createNode(File directory) throws ContributionReadException, ValidationException, ActivationException, XMLStreamException, IOException { + + if (!directory.isDirectory()) { + return createNodeFromXML(directory.toURI().toURL().toString()); + } + + File nodeXML = new File(directory, "node.xml"); + if (nodeXML.exists()) { + return createNodeFromXML(nodeXML.toURI().toURL().toString()); + } + + Properties domainProps = new Properties(); + File propsFile = new File(directory, "domain.properties"); + if (propsFile.exists()) { + domainProps.load(new FileInputStream(propsFile)); + } + String domainName = domainProps.getProperty("domainName", directory.getName()); + String domainURI = domainProps.getProperty("domainURI", domainName); + + DomainRegistry domainRegistry = domainRegistryFactory.getEndpointRegistry(domainURI, domainName); + Node node = new NodeImpl(deployer, compositeActivator, domainRegistry, extensionPointRegistry, null); + + List<String> installed = new ArrayList<String>(); + for (File f : directory.listFiles()) { + if (f.getName().endsWith(".jar") || f.getName().endsWith(".zip") || (f.isDirectory() && !f.getName().startsWith("."))) { + String fn = f.getName().lastIndexOf('.') == -1 ? f.getName() : f.getName().substring(0, f.getName().lastIndexOf('.')); + // ignore the contribution if it has an associated exploded folder version + if (!f.isDirectory() && new File(f.getParent(), fn).isDirectory()) { + continue; + } + String metaData = null; + for (File f2 : directory.listFiles()) { + if (f2.getName().startsWith(fn) && f2.getName().endsWith(".xml")) { + metaData = f2.getPath(); + break; + } + } + + List<String> dependencyURIs = new ArrayList<String>(); + File dependencyFile = new File(directory, fn + ".dependencies"); + if (dependencyFile.exists()) { + BufferedReader br = new BufferedReader(new FileReader(dependencyFile)); + String s; + while ((s = br.readLine()) != null) { + if (!s.startsWith("#") && s.trim().length() > 0) { + dependencyURIs.addAll(Arrays.asList(s.trim().split("[ ,]+"))); + } + } + br.close(); + } + + String curi = node.installContribution(null, f.getPath(), metaData, dependencyURIs); + installed.add(curi); + + for (File f2 : directory.listFiles()) { + if (f2.getName().startsWith(fn) && f2.getName().endsWith(".composite")) { + node.addDeploymentComposite(curi, new FileReader(f2)); + } + } + } + } + + for (String curi : installed) { + node.startDeployables(curi); + } + + return node; + } + + /* Node.xml hot update + * - domain URi changed + * - restart entire node + * - List of contributions (matched on uri) + * - uninstall removed + * - install added + * - for each existing + * - if url or metadata or duris changed - update + * - if startdeployables changed + * - if now false then stop all started + * - if now true then start deployables + * + * + * + */ + + /** + * Creates a Node from an XML configuration file + * @param configURL the URL to the XML configuration file + * @return Node the configured Node + */ + public Node createNodeFromXML(String configURL) throws ContributionReadException, ActivationException, ValidationException { + NodeConfiguration configuration = loadConfiguration(configURL); + NodeImpl node = (NodeImpl)createNode(configuration.getDomainURI()); + for ( ContributionConfiguration c : configuration.getContributions()) { + String curi = node.installContribution(c.getURI(), c.getLocation(), c.getMetaDataURL(), c.getDependentContributionURIs()); + if (c.isStartDeployables()) { + for (String compURI : node.getDeployableCompositeURIs(curi)) { + node.startComposite(curi, compURI); + } + } + } + return node; + } + + /** + * Stop the TuscanyRuntime + */ + public void stop() { + extensionPointRegistry.stop(); + } + + protected void init(Properties config) { + if (config == null) { + config = new Properties(); + } + this.extensionPointRegistry = new DefaultExtensionPointRegistry(); + extensionPointRegistry.start(); + + FactoryExtensionPoint modelFactories = extensionPointRegistry.getExtensionPoint(FactoryExtensionPoint.class); + this.assemblyFactory = new RuntimeAssemblyFactory(extensionPointRegistry); + modelFactories.addFactory(assemblyFactory); + + UtilityExtensionPoint utilities = extensionPointRegistry.getExtensionPoint(UtilityExtensionPoint.class); + this.compositeActivator = utilities.getUtility(CompositeActivator.class); + this.deployer = utilities.getUtility(Deployer.class); + utilities.getUtility(RuntimeProperties.class).setProperties(config); + utilities.getUtility(WorkScheduler.class); + + // Initialize the Tuscany module activators + // The module activators will be started + extensionPointRegistry.getExtensionPoint(ModuleActivatorExtensionPoint.class); + + this.domainRegistryFactory = ExtensibleDomainRegistryFactory.getInstance(extensionPointRegistry); + + } + + /** + * Get the ExtensionPointRegistry used by this runtime + * @return extensionPointRegistry + */ + public ExtensionPointRegistry getExtensionPointRegistry() { + return extensionPointRegistry; + } + + /** + * Get the Deployer. The Deployer can be used to create contribution artifacts + * when configuring a Node programatically. + * @return the Deployer + */ + public Deployer getDeployer() { + return deployer; + } + + /** + * Get the AssemblyFactory. The AssemblyFactory can be used to create contribution + * artifact contents when configuring a Node programatically. + * @return the AssemblyFactory + */ + public AssemblyFactory getAssemblyFactory() { + return assemblyFactory; + } + + protected NodeConfiguration loadConfiguration(String configURL) { + InputStream xml =null; + try { + URL base = IOHelper.getLocationAsURL(configURL); + xml = IOHelper.openStream(base); + InputStreamReader reader = new InputStreamReader(xml, "UTF-8"); + ProcessorContext context = deployer.createProcessorContext(); + NodeConfiguration config = deployer.loadXMLDocument(reader, context.getMonitor()); + if (base != null && config != null) { + // Resolve the contribution location against the node.xml + // TODO: absolute locations? + for (ContributionConfiguration c : config.getContributions()) { + String location = c.getLocation(); + if (location != null) { + URL url = new URL(base, location); + url = IOHelper.normalize(url); + c.setLocation(url.toString()); + } + } + } + return config; + } catch (Throwable e) { + throw new ServiceRuntimeException(e); + } finally { + try { + if (xml != null) xml.close(); + } catch (IOException e) { + throw new ServiceRuntimeException(e); + } + } + } + +} diff --git a/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/DependencyUtils.java b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/DependencyUtils.java new file mode 100644 index 0000000000..08c426da42 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/DependencyUtils.java @@ -0,0 +1,76 @@ +/*
+ * 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.impl;
+
+import java.io.BufferedOutputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.StringReader;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
+import javax.xml.stream.XMLStreamException;
+
+import org.apache.tuscany.sca.TuscanyRuntime;
+import org.apache.tuscany.sca.contribution.Contribution;
+import org.apache.tuscany.sca.contribution.ContributionMetadata;
+import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
+import org.apache.tuscany.sca.deployment.Deployer;
+import org.apache.tuscany.sca.monitor.Monitor;
+import org.apache.tuscany.sca.monitor.ValidationException;
+
+public class DependencyUtils {
+
+ public static List<String> getDependencies(String contributionURI, Map<String, ZipInputStream> possibles) throws ValidationException, IOException, ContributionReadException, XMLStreamException {
+ Deployer deployer = TuscanyRuntime.newInstance().getDeployer();
+
+ Map<String, ContributionMetadata> contributionMetaDatas = new HashMap<String, ContributionMetadata>();
+ for (String curi : possibles.keySet()) {
+ ZipInputStream zis = possibles.get(curi);
+ ZipEntry entry;
+ while ((entry = zis.getNextEntry()) != null) {
+ if (Contribution.SCA_CONTRIBUTION_META.equals(entry.getName())) {
+
+ byte[] buffer = new byte[2048];
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ BufferedOutputStream bos = new BufferedOutputStream(baos, buffer.length);
+
+ int size;
+ while ((size = zis.read(buffer, 0, buffer.length)) != -1) {
+ bos.write(buffer, 0, size);
+ }
+ bos.close();
+
+ contributionMetaDatas.put(curi, (ContributionMetadata)deployer.loadXMLDocument(new StringReader(baos.toString())));
+ }
+ }
+ zis.close(); // close it so no one tries to reuse the already read stream
+ }
+ Monitor monitor = deployer.createMonitor();
+ try {
+ return deployer.getDependencies(contributionMetaDatas, contributionURI, monitor);
+ } finally {
+ monitor.analyzeProblems();
+ }
+ }
+}
diff --git a/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/DeployedComposite.java b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/DeployedComposite.java new file mode 100644 index 0000000000..fb40980d04 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/DeployedComposite.java @@ -0,0 +1,185 @@ +/* + * 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.impl; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException; +import org.apache.tuscany.sca.assembly.impl.CompositeImpl; +import org.apache.tuscany.sca.context.CompositeContext; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; +import org.apache.tuscany.sca.contribution.resolver.ClassReference; +import org.apache.tuscany.sca.contribution.resolver.ExtensibleModelResolver; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.deployment.Deployer; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.ValidationException; +import org.apache.tuscany.sca.runtime.ActivationException; +import org.apache.tuscany.sca.runtime.CompositeActivator; +import org.apache.tuscany.sca.runtime.DomainRegistry; + +public class DeployedComposite { + + private Composite composite; + private Contribution contribution; + private List<Contribution> dependedOnContributions; + private Composite builtComposite; + + private CompositeActivator compositeActivator; + private CompositeContext compositeContext; + private Deployer deployer; + private DomainRegistry domainRegistry; + private ExtensionPointRegistry extensionPointRegistry; + private List<String> usedContributionURIs; + private boolean endpointsIncludeDomainName; + + public DeployedComposite(Composite composite, + Contribution contribution, + List<Contribution> dependedOnContributions, + Deployer deployer, + CompositeActivator compositeActivator, + DomainRegistry domainRegistry, + ExtensionPointRegistry extensionPointRegistry, + boolean endpointsIncludeDomainName) throws ValidationException, ActivationException { + this.composite = composite; + this.contribution = contribution; + this.dependedOnContributions = dependedOnContributions; + this.deployer = deployer; + this.compositeActivator = compositeActivator; + this.domainRegistry = domainRegistry; + this.extensionPointRegistry = extensionPointRegistry; + this.endpointsIncludeDomainName = endpointsIncludeDomainName; + + try { + build(); + } catch (ContributionResolveException e) { + throw new ActivationException(e); + } catch (CompositeBuilderException e) { + throw new ActivationException(e); + } + } + + protected void build() throws ValidationException, ActivationException, ContributionResolveException, CompositeBuilderException { + + List<Contribution> contributions = new ArrayList<Contribution>(); + contributions.add(contribution); + contributions.get(0).getDeployables().clear(); + contributions.get(0).getDeployables().add(composite); + + contributions.addAll(dependedOnContributions); + + Map<QName, List<String>> bs = new HashMap<QName, List<String>>(); + if (endpointsIncludeDomainName) { + bs.put(new QName("default"), Arrays.asList(new String[]{domainRegistry.getDomainName()})); + } + + Monitor monitor = deployer.createMonitor(); + builtComposite = deployer.build(contributions, contributions, bs, monitor); + monitor.analyzeProblems(); + + // TODO: Ideally deployer.build would set the name and uri to what this needs + builtComposite.setName(composite.getName()); + builtComposite.setURI(composite.getURI()); + builtComposite.setContributionURI(composite.getContributionURI()); + + // attempt to ensure the contribution classloader is set + // TODO: ideally the runtime would do this itself + if (contribution.getClassLoader() == null && contribution.getModelResolver() instanceof ExtensibleModelResolver) { + ModelResolver o = ((ExtensibleModelResolver)contribution.getModelResolver()).getModelResolverInstance(ClassReference.class); + if (o instanceof ClassLoader) { + contribution.setClassLoader((ClassLoader)o); + } + } + + compositeContext = new CompositeContext(extensionPointRegistry, + domainRegistry, + builtComposite, + null, // nothing appears to use the domain name in CompositeContext + null, // don't need node uri + deployer.getSystemDefinitions()); + usedContributionURIs = new ArrayList<String>(); + usedContributionURIs.add(contribution.getURI()); + for (Contribution dc : dependedOnContributions) { + usedContributionURIs.add(dc.getURI()); + } + } + + public void start() throws ActivationException { + try { + compositeActivator.activate(compositeContext, builtComposite); + compositeActivator.start(compositeContext, builtComposite); + domainRegistry.addRunningComposite(contribution.getURI(), builtComposite); + } catch (ActivationException ex){ + stop(); + throw ex; + } catch (Exception ex){ + stop(); + throw new ActivationException(ex); + } + } + + public void stop() throws ActivationException { + domainRegistry.removeRunningComposite(contribution.getURI(), builtComposite.getURI()); + compositeActivator.stop(compositeContext, builtComposite); + compositeActivator.deactivate(builtComposite); + } + + public String getURI() { + return composite.getURI(); + } + + public List<String> getContributionURIs() { + return usedContributionURIs; + } + + public boolean uses(String contributionURI, String compositeURI) { + // TODO: builtComposite or composite? + return compositeUses(builtComposite, contributionURI, compositeURI); + } + + protected boolean compositeUses(Composite c, String contributionURI, String compositeURI) { + if (contributionURI.equals(c.getContributionURI()) && compositeURI.equals(c.getURI())) { + return true; + } + for (Composite include : ((CompositeImpl)c).getFusedIncludes()) { + if (compositeUses(include, contributionURI, compositeURI)) { + return true; + } + } + for (Component comp : c.getComponents()) { + if (comp.getImplementation() instanceof Composite) { + if (compositeUses((Composite)comp.getImplementation(), contributionURI, compositeURI)) { + return true; + } + } + } + return false; + } +} diff --git a/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/NodeImpl.java b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/NodeImpl.java new file mode 100644 index 0000000000..b56765f3c5 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/NodeImpl.java @@ -0,0 +1,612 @@ +/* + * 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.impl; + +import java.io.Reader; +import java.io.StringReader; +import java.net.URLClassLoader; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collections; +import java.util.HashMap; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.logging.Level; +import java.util.logging.Logger; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; + +import org.apache.tuscany.sca.Node; +import org.apache.tuscany.sca.TuscanyRuntime; +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.assembly.xml.Utils; +import org.apache.tuscany.sca.common.java.io.IOHelper; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.ContributionMetadata; +import org.apache.tuscany.sca.contribution.Import; +import org.apache.tuscany.sca.contribution.java.JavaImport; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImport; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.resolver.ClassReference; +import org.apache.tuscany.sca.contribution.resolver.ExtensibleModelResolver; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.UtilityExtensionPoint; +import org.apache.tuscany.sca.deployment.Deployer; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.ValidationException; +import org.apache.tuscany.sca.runtime.ActivationException; +import org.apache.tuscany.sca.runtime.ActiveNodes; +import org.apache.tuscany.sca.runtime.CompositeActivator; +import org.apache.tuscany.sca.runtime.ContributionDescription; +import org.apache.tuscany.sca.runtime.ContributionListener; +import org.apache.tuscany.sca.runtime.DomainRegistry; +import org.apache.tuscany.sca.runtime.RuntimeProperties; +import org.oasisopen.sca.NoSuchServiceException; + +import sun.misc.ClassLoaderUtil; + +public class NodeImpl implements Node { + private static final Logger logger = Logger.getLogger(NodeImpl.class.getName()); + + private Deployer deployer; + private CompositeActivator compositeActivator; + private DomainRegistry domainRegistry; + private ExtensionPointRegistry extensionPointRegistry; + private TuscanyRuntime tuscanyRuntime; + + private Map<String, Contribution> loadedContributions = new ConcurrentHashMap<String, Contribution>(); + + private Map<String, DeployedComposite> startedComposites = new HashMap<String, DeployedComposite>(); + private Map<String, DeployedComposite> stoppedComposites = new HashMap<String, DeployedComposite>(); + + private boolean endpointsIncludeDomainName; + private boolean quietLogging; + + private boolean releaseOnUnload; + + public NodeImpl(Deployer deployer, + CompositeActivator compositeActivator, + DomainRegistry domainRegistry, + ExtensionPointRegistry extensionPointRegistry, + TuscanyRuntime tuscanyRuntime) { + this.deployer = deployer; + this.compositeActivator = compositeActivator; + this.domainRegistry = domainRegistry; + this.extensionPointRegistry = extensionPointRegistry; + this.tuscanyRuntime = tuscanyRuntime; + + extensionPointRegistry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(ActiveNodes.class).getActiveNodes().add(this); + + domainRegistry.addContributionListener(new ContributionListener() { + public void contributionInstalled(String uri) { + // Do nothing + } + public void contributionUpdated(String uri) { + unloadContribution(uri); + } + public void contributionRemoved(String uri) { + unloadContribution(uri); + } + private void unloadContribution(String curi) { + Contribution c = loadedContributions.remove(curi); + if (releaseOnUnload && (c != null)) { + ClassLoader cl = c.getClassLoader(); + if (cl instanceof URLClassLoader) { + ClassLoaderUtil.releaseLoader((URLClassLoader)cl); + } + } + } + }); + + endpointsIncludeDomainName = !TuscanyRuntime.DEFAUL_DOMAIN_NAME.equals(domainRegistry.getDomainName()); + + UtilityExtensionPoint utilities = extensionPointRegistry.getExtensionPoint(UtilityExtensionPoint.class); + this.releaseOnUnload = Boolean.parseBoolean(utilities.getUtility(RuntimeProperties.class).getProperties().getProperty(RuntimeProperties.RELEASE_ON_UNLOAD, "true")); + + this.quietLogging = Boolean.parseBoolean(utilities.getUtility(RuntimeProperties.class).getProperties().getProperty(RuntimeProperties.QUIET_LOGGING)); + if (logger.isLoggable(quietLogging? Level.FINE : Level.INFO)) logger.log(quietLogging? Level.FINE : Level.INFO, "domain: " + domainRegistry.getDomainName() + (!domainRegistry.getDomainName().equals(domainRegistry.getDomainURI()) ? "" : (" domainURI: " + domainRegistry.getDomainURI()))); + } + + // TODO: install shouldn't throw ValidationException as it shouldn't do any validation, its + // only here from the loadContribution in mergeContributionMetaData so change that approach + + public String installContribution(String contributionURL) throws ContributionReadException, ValidationException { + return installContribution(null, contributionURL, null, null); + } + + public String installContribution(String uri, String contributionURL) throws ContributionReadException, ValidationException { if (logger.isLoggable(Level.FINE)) logger.log(Level.FINE, "updateUsingComposites", contributionURL); + return installContribution(uri, contributionURL, null, null); + } + + public boolean updateContribution(String uri, String contributionURL, String metaDataURL, List<String> dependentContributionURIs) throws ContributionReadException, ValidationException, ActivationException { + if (logger.isLoggable(Level.FINE)) { + logger.log(Level.FINE, "updateContribution" + Arrays.asList(new Object[]{uri, contributionURL, metaDataURL, dependentContributionURIs})); + } + ContributionDescription ic = domainRegistry.getInstalledContribution(uri); + if (ic == null) { + installContribution(uri, contributionURL, metaDataURL, dependentContributionURIs); + return true; + } + + // do this if only updating if the contribution has been modified: + // if url equal and a file and last modified not changed + // if metadata url equal and a file and laqst modified not changed + // if (dependent contributions uris not changed) + // return false + + uninstallContribution(uri); + + installContribution(uri, contributionURL, metaDataURL, dependentContributionURIs); + + // merge in additional deployables + if (ic.getAdditionalDeployables().size() > 0) { + ContributionDescription newIC = getInstalledContribution(uri); + newIC.getAdditionalDeployables().putAll(ic.getAdditionalDeployables()); + domainRegistry.updateInstalledContribution(newIC); + } + + // stop/start all started composites using the contribution + for (DeployedComposite dc : new ArrayList<DeployedComposite>(startedComposites.values())) { + if (dc.getContributionURIs().contains(uri)) { + String dcContributionURI = dc.getContributionURIs().get(0); + String dcCompositeURI = dc.getURI(); + stopComposite(dcContributionURI, dcCompositeURI); + String key = dcContributionURI + "/" + dcCompositeURI; + stoppedComposites.remove(key); + startComposite(dcContributionURI, dcCompositeURI); + } + } + + // remove all stopped composites using the contribution + for (DeployedComposite dc : new ArrayList<DeployedComposite>(stoppedComposites.values())) { + if (dc.getContributionURIs().contains(uri)) { + stoppedComposites.remove(uri + "/" + dc.getURI()); + } + } + + if (logger.isLoggable(quietLogging? Level.FINE : Level.INFO)) logger.log(quietLogging? Level.FINE : Level.INFO, "updateContribution: " + uri); + return true; + } + + public String installContribution(String uri, String contributionURL, String metaDataURL, List<String> dependentContributionURIs) throws ContributionReadException, ValidationException { + if (logger.isLoggable(Level.FINE)) { + logger.log(Level.FINE, "installContribution" + Arrays.asList(new Object[]{uri, contributionURL, metaDataURL, dependentContributionURIs})); + } + ContributionDescription cd = new ContributionDescription(uri, IOHelper.getLocationAsURL(contributionURL).toString()); + + if (dependentContributionURIs != null) { + cd.getDependentContributionURIs().addAll(dependentContributionURIs); + } + + if (metaDataURL != null) { + mergeContributionMetaData(metaDataURL, loadContribution(cd)); + } + + peekIntoContribution(cd); + + domainRegistry.installContribution(cd); + + if (logger.isLoggable(quietLogging? Level.FINE : Level.INFO)) logger.log(quietLogging? Level.FINE : Level.INFO, "installContribution: " + cd.getURI()); + return cd.getURI(); + } + + public void installContribution(Contribution contribution, List<String> dependentContributionURIs) { + if (logger.isLoggable(Level.FINE)) { + logger.log(Level.FINE, "installContribution" + Arrays.asList(new Object[]{contribution, dependentContributionURIs})); + } + ContributionDescription cd = new ContributionDescription(contribution.getURI(), contribution.getLocation()); + if (dependentContributionURIs != null) { + cd.getDependentContributionURIs().addAll(dependentContributionURIs); + } + cd.configureMetaData(contribution); + domainRegistry.installContribution(cd); + loadedContributions.put(cd.getURI(), contribution); + if (logger.isLoggable(quietLogging? Level.FINE : Level.INFO)) logger.log(quietLogging? Level.FINE : Level.INFO, "installContribution: " + cd.getURI()); + } + + public void uninstallContribution(String contributionURI) { + domainRegistry.uninstallContribution(contributionURI); + + // remove any stopped composite that used the contribution + Iterator<String> i = stoppedComposites.keySet().iterator(); + while (i.hasNext()) { + DeployedComposite dc = stoppedComposites.get(i.next()); + if (dc.getContributionURIs().contains(contributionURI)) { + i.remove(); + } + } + if (logger.isLoggable(quietLogging? Level.FINE : Level.INFO)) logger.log(quietLogging? Level.FINE : Level.INFO, "uninstallContribution: " + contributionURI); + } + + protected void mergeContributionMetaData(String metaDataURL, Contribution contribution) throws ValidationException { + ContributionMetadata metaData; + Monitor monitor = deployer.createMonitor(); + try { + metaData = deployer.loadXMLDocument(IOHelper.getLocationAsURL(metaDataURL), monitor); + } catch (Exception e) { + throw new ValidationException(e); + } + monitor.analyzeProblems(); + contribution.mergeMetaData(metaData); + } + + /** + * Peek into the contribution to find its attributes. + * ASM12032 and ASM12033 say no error checking should be done during install and that should happen later, but + * we need to know about deployables and exports so peek into the contribution to try to get those, + * and just ignore any errors they might happen while doing that. + */ + protected void peekIntoContribution(ContributionDescription cd) { + Contribution contribution = null; + try { + contribution = loadContribution(cd); + } catch (Exception e) { + // ignore it + } + + if (contribution != null) { + cd.configureMetaData(contribution); + } + } + + public List<String> getInstalledContributionURIs() { + return new ArrayList<String>(domainRegistry.getInstalledContributionURIs()); + } + + public Contribution getContribution(String contributionURI) throws ContributionReadException, ValidationException { + return loadContribution(getInstalledContribution(contributionURI)); + } + + public List<String> getDeployableCompositeURIs(String contributionURI) { + ContributionDescription cd = domainRegistry.getInstalledContribution(contributionURI); + List<String> deployables = new ArrayList<String>(cd.getDeployables()); + deployables.addAll(cd.getAdditionalDeployables().keySet()); + return deployables; + } + + public String addDeploymentComposite(String contributionURI, Reader compositeXML) throws ContributionReadException, XMLStreamException, ValidationException { + ContributionDescription cd = getInstalledContribution(contributionURI); + + // load it to check its valid composite XML + Composite composite = deployer.loadXMLDocument(compositeXML); + + return addDeploymentComposite(cd, composite); + } + + public String addDeploymentComposite(String contributionURI, Composite composite) { + ContributionDescription cd = getInstalledContribution(contributionURI); + return addDeploymentComposite(cd, composite); + } + + protected String addDeploymentComposite(ContributionDescription cd, Composite composite) { + if (logger.isLoggable(Level.FINE)) { + logger.log(Level.FINE, "addDeploymentComposite" + Arrays.asList(new Object[]{cd, composite})); + } + if (composite.getURI() == null || composite.getURI().length() < 1) { + composite.setURI(composite.getName().getLocalPart() + ".composite"); + } + composite.setContributionURI(cd.getURI()); + cd.getAdditionalDeployables().put(composite.getURI(), Utils.modelToXML(composite, false, extensionPointRegistry)); + domainRegistry.updateInstalledContribution(cd); + if (logger.isLoggable(quietLogging? Level.FINE : Level.INFO)) logger.log(quietLogging? Level.FINE : Level.INFO, "addDeploymentComposite: " + composite.getURI()); + return composite.getURI(); + } + + public void validateContribution(String contributionURI) throws ContributionReadException, ValidationException { + ContributionDescription cd = getInstalledContribution(contributionURI); + Contribution contribution = loadContribution(cd); + + Monitor monitor = deployer.createMonitor(); + try { + deployer.resolve(contribution, calculateDependentContributions(cd), monitor); + } catch (Exception e) { + loadedContributions.remove(cd.getURI()); + throw new RuntimeException(e); + } + try { + monitor.analyzeProblems(); + } catch (ValidationException e) { + loadedContributions.remove(cd.getURI()); + throw e; + } + if (contribution.getClassLoader() == null && contribution.getModelResolver() instanceof ExtensibleModelResolver) { + ModelResolver o = ((ExtensibleModelResolver)contribution.getModelResolver()).getModelResolverInstance(ClassReference.class); + if (o instanceof ClassLoader) { + contribution.setClassLoader((ClassLoader)o); + } + } + } + + public Map<String, List<String>> getStartedCompositeURIs() { + return Collections.unmodifiableMap(domainRegistry.getRunningCompositeURIs()); + } + + public void startComposite(String contributionURI, String compositeURI) throws ActivationException, ValidationException, ContributionReadException { + String key = contributionURI+"/"+compositeURI; + if (startedComposites.containsKey(key)) { + throw new IllegalStateException("composite already started: " + compositeURI); + } + DeployedComposite dc = stoppedComposites.remove(key); + if (dc != null) { + dc.start(); + startedComposites.put(key, dc); + } else { + ContributionDescription cd = getInstalledContribution(contributionURI); + Contribution contribution = loadContribution(cd); + Composite composite = contribution.getArtifactModel(compositeURI); + List<Contribution> dependentContributions = calculateDependentContributions(cd); + dc = new DeployedComposite(composite, contribution, dependentContributions, deployer, compositeActivator, domainRegistry, extensionPointRegistry, endpointsIncludeDomainName); + dc.start(); + startedComposites.put(key, dc); + } + if (logger.isLoggable(quietLogging? Level.FINE : Level.INFO)) logger.log(quietLogging? Level.FINE : Level.INFO, "startComposite: " + key); + } + + @Override + public void startComposite(String contributionURI, String compositeURI, String nodeName) throws ActivationException { + String response = domainRegistry.remoteCommand(nodeName, new RemoteCommand(domainRegistry.getDomainName(), "start", contributionURI, compositeURI)); + if (!"Started.".equals(response)) { + throw new ActivationException(response); + } + if (logger.isLoggable(quietLogging? Level.FINE : Level.INFO)) logger.log(quietLogging? Level.FINE : Level.INFO, "startComposite: " + contributionURI + " " + compositeURI + " " + nodeName); + } + + public void stopComposite(String contributionURI, String compositeURI) throws ActivationException { + String key = contributionURI+"/"+compositeURI; + DeployedComposite dc = startedComposites.remove(key); + if (dc != null) { + dc.stop(); + stoppedComposites.put(key, dc); + } else { + String member = domainRegistry.getRunningNodeName(contributionURI, compositeURI); + if (member == null) { + throw new IllegalStateException("composite not started: " + compositeURI); + } + RemoteCommand command = new RemoteCommand(domainRegistry.getDomainName(), "stop", contributionURI, compositeURI); + String response = domainRegistry.remoteCommand(member, command); + if (!"Stopped.".equals(response)) { + throw new ActivationException(response); + } + } + if (logger.isLoggable(quietLogging? Level.FINE : Level.INFO)) logger.log(quietLogging? Level.FINE : Level.INFO, "stopComposite: " + key); + } + + public void stopCompositeAndUninstallUnused(String contributionURI, String compositeURI) throws ActivationException { + String key = contributionURI+"/"+compositeURI; + DeployedComposite dc = startedComposites.remove(key); + if (dc == null) { + throw new IllegalArgumentException("No startd composite found: " + key); + } + dc.stop(); + + loop: for (String curi : dc.getContributionURIs()) { + for (DeployedComposite started : startedComposites.values()) { + if (started.getContributionURIs().contains(curi)) { + continue loop; + } + } + uninstallContribution(curi); + } + if (logger.isLoggable(quietLogging? Level.FINE : Level.INFO)) logger.log(quietLogging? Level.FINE : Level.INFO, "stopCompositeAndUninstallUnused: " + key); + } + + public String getDomainURI() { + return domainRegistry.getDomainURI(); + } + + public String getDomainName() { + return domainRegistry.getDomainName(); + } + + public Composite getDomainComposite() { + return domainRegistry.getDomainComposite(); + } + + public <T> T getService(Class<T> interfaze, String serviceURI) throws NoSuchServiceException { + return ServiceHelper.getService(interfaze, serviceURI, domainRegistry, extensionPointRegistry, deployer); + } + + public ContributionDescription getInstalledContribution(String contributionURI) { + ContributionDescription cd = domainRegistry.getInstalledContribution(contributionURI); + if (cd == null) { + throw new IllegalArgumentException("Contribution not installed: " + contributionURI); + } + return cd; + } + + protected Contribution loadContribution(ContributionDescription cd) throws ContributionReadException, ValidationException { + Contribution contribution = loadedContributions.get(cd.getURI()); + if (contribution == null) { + Monitor monitor = deployer.createMonitor(); + contribution = deployer.loadContribution(IOHelper.createURI(cd.getURI()), IOHelper.getLocationAsURL(cd.getURL()), monitor); + + // TODO: should the monitor be checked? If it is then the peek in to get the metadata doesn't work if there's a problem + // monitor.analyzeProblems(); + if (cd.getAdditionalDeployables().size() > 0) { + for (String uri : cd.getAdditionalDeployables().keySet()) { + String compositeXML = cd.getAdditionalDeployables().get(uri); + Composite composite; + try { + composite = deployer.loadXMLDocument(new StringReader(compositeXML)); + } catch (XMLStreamException e) { + throw new ContributionReadException(e); + } + composite.setURI(composite.getName().getLocalPart() + ".composite"); + contribution.addComposite(composite); + } + } + loadedContributions.put(cd.getURI(), contribution); + } + return contribution; + } + + protected List<Contribution> calculateDependentContributions(ContributionDescription cd) throws ContributionReadException, ValidationException { + Map<String, Contribution> dependentContributions = new HashMap<String, Contribution>(); + if (cd.getDependentContributionURIs() != null && cd.getDependentContributionURIs().size() > 0) { + // if the install specified dependent uris use just those contributions + for (String uri : cd.getDependentContributionURIs()) { + if (!!!dependentContributions.containsKey(uri)) { + ContributionDescription dependee = domainRegistry.getInstalledContribution(uri); + if (dependee != null) { + dependentContributions.put(uri, loadContribution(dependee)); + } + } + } + } else { + for (Import imprt : loadContribution(cd).getImports()) { + for (ContributionDescription exportingIC : findExportingContributions(imprt)) { + if (!!!dependentContributions.containsKey(exportingIC.getURI()) && !!!cd.getURI().equals(exportingIC.getURI())) { + dependentContributions.put(exportingIC.getURI(), loadContribution(exportingIC)); + } + } + } + } + // TODO: there is also the location attribute on the import which should be taken into account + return new ArrayList<Contribution>(dependentContributions.values()); + } + + private List<ContributionDescription> findExportingContributions(Import imprt) { + List<ContributionDescription> ics = new ArrayList<ContributionDescription>(); + // TODO: Handle Imports in a more extensible way + for (String curi : domainRegistry.getInstalledContributionURIs()) { + ContributionDescription cd = domainRegistry.getInstalledContribution(curi); + if (imprt instanceof JavaImport) { + for (String s : cd.getJavaExports()) { + if (s.startsWith(((JavaImport)imprt).getPackage())) { + ics.add(cd); + } + } + } else if (imprt instanceof NamespaceImport) { + if (cd.getNamespaceExports().contains(((NamespaceImport)imprt).getNamespace())) { + ics.add(cd); + } + } + } + return ics; + } + + @Override + public Object getQNameDefinition(String contributionURI, QName definition, QName symbolSpace) { + // TODO Auto-generated method stub + return null; + } + + @Override + public List<String> startDeployables(String contributionURI) throws ActivationException, ValidationException, ContributionReadException { + List<String> dcURIs = getDeployableCompositeURIs(contributionURI); + for (String dcURI : dcURIs) { + startComposite(contributionURI, dcURI); + } + return dcURIs; + } + + // TODO: these are used by the shell, should they be on the Node interface? + public DomainRegistry getEndpointRegistry() { + return domainRegistry; + } + public ExtensionPointRegistry getExtensionPointRegistry() { + return extensionPointRegistry; + } + + public void stop() { + for (DeployedComposite dc : startedComposites.values()) { + try { + dc.stop(); + } catch (ActivationException e) { + } + } + startedComposites.clear(); + stoppedComposites.clear(); + extensionPointRegistry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(ActiveNodes.class).getActiveNodes().remove(this); + if (tuscanyRuntime != null) { + tuscanyRuntime.stop(); + } + } + + @Override + public List<String> getNodeNames() { + return domainRegistry.getNodeNames(); + } + + @Override + public String getLocalNodeName() { + return domainRegistry.getLocalNodeName(); + } + + @Override + public String getRunningNodeName(String contributionURI, String compositeURI) { + return domainRegistry.getRunningNodeName(contributionURI, compositeURI); + } + + public List<String> updateUsingComposites(String contributionURI, String compositeURI) throws ActivationException, ContributionReadException, ValidationException { + List<String> updated = new ArrayList<String>(); + for (DeployedComposite dc : new ArrayList<DeployedComposite>(startedComposites.values())) { + if (dc.uses(contributionURI, compositeURI)) { + String dcContributionURI = dc.getContributionURIs().get(0); + String dcCompositeURI = dc.getURI(); + stopComposite(dcContributionURI, dcCompositeURI); + String key = dcContributionURI + "/" + dcCompositeURI; + stoppedComposites.remove(key); + updated.add(key); + startComposite(dcContributionURI, dcCompositeURI); + } + } + if (logger.isLoggable(quietLogging? Level.FINE : Level.INFO)) logger.log(quietLogging? Level.FINE : Level.INFO, "updateUsingComposites", updated); + return updated; + } + + public void uninstallContribution(String contributionURI, boolean b) throws ActivationException { + uninstallContribution(contributionURI); + if (!b) { + return; + } + + // stop all started composites using the contribution + for (DeployedComposite dc : new ArrayList<DeployedComposite>(startedComposites.values())) { + if (dc.getContributionURIs().contains(contributionURI)) { + String dcContributionURI = dc.getContributionURIs().get(0); + String dcCompositeURI = dc.getURI(); + stopComposite(dcContributionURI, dcCompositeURI); + String key = dcContributionURI + "/" + dcCompositeURI; + stoppedComposites.remove(key); + } + } + + // remove all stopped composites using the contribution + for (DeployedComposite dc : new ArrayList<DeployedComposite>(stoppedComposites.values())) { + if (dc.getContributionURIs().contains(contributionURI)) { + stoppedComposites.remove(contributionURI + "/" + dc.getURI()); + } + } + } + + public boolean getEndpointsIncludeDomainName() { + return endpointsIncludeDomainName; + } + + public void setEndpointsIncludeDomainName(boolean b) { + endpointsIncludeDomainName = b; + } + +} diff --git a/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/RemoteCommand.java b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/RemoteCommand.java new file mode 100644 index 0000000000..5e150dba02 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/RemoteCommand.java @@ -0,0 +1,83 @@ +/*
+ * 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.impl;
+
+import java.io.Serializable;
+import java.util.concurrent.Callable;
+
+import org.apache.tuscany.sca.Node;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.ExtensionPointRegistryLocator;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.runtime.ActiveNodes;
+
+public class RemoteCommand implements Callable<String>, Serializable {
+ private static final long serialVersionUID = 1L;
+
+ // all fields MUST be Serializable
+ private String domainName;
+ private String command;
+ private String contributionURI;
+ private String compositeURI;
+
+ public RemoteCommand(String domainName, String command, String contributionURI, String compositeURI) {
+ this.domainName = domainName;
+ this.command = command;
+ this.contributionURI = contributionURI;
+ this.compositeURI = compositeURI;
+ }
+
+ public String call() throws Exception {
+ String response;
+ try {
+ Node node = getNode();
+
+ if ("start".equals(command)) {
+ node.startComposite(contributionURI, compositeURI);
+ response = "Started.";
+ } else if ("stop".equals(command)) {
+ node.stopComposite(contributionURI, compositeURI);
+ response = "Stopped.";
+ } else {
+ response = "Unknown command: " + command;
+ }
+ } catch (Exception e) {
+ response = "REMOTE EXCEPTION: " + e.getClass() + ":" + e.getMessage();
+ }
+ return response;
+ }
+
+ private Node getNode() {
+ // TODO Several places in Tuscany need to do this type of thing, for example, processing
+ // async responses, so we need to design a "proper" way to do it
+
+ for (ExtensionPointRegistry xpr : ExtensionPointRegistryLocator.getExtensionPointRegistries()) {
+ ActiveNodes activeNodes = xpr.getExtensionPoint(UtilityExtensionPoint.class).getUtility(ActiveNodes.class);
+ for (Object o : activeNodes.getActiveNodes()) {
+ Node node = (Node)o;
+ if (node.getDomainName().equals(domainName)) {
+ return node;
+ }
+ }
+ }
+ throw new IllegalStateException("No remote Node found for domain: " + domainName);
+ }
+
+}
diff --git a/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/ServiceHelper.java b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/ServiceHelper.java new file mode 100644 index 0000000000..3ada1bbbb1 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/ServiceHelper.java @@ -0,0 +1,211 @@ +/*
+ * 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.impl;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentReference;
+import org.apache.tuscany.sca.assembly.ComponentService;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.assembly.EndpointReference;
+import org.apache.tuscany.sca.assembly.Multiplicity;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.context.CompositeContext;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.FactoryExtensionPoint;
+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.deployment.Deployer;
+import org.apache.tuscany.sca.interfacedef.Interface;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+import org.apache.tuscany.sca.runtime.ContributionDescription;
+import org.apache.tuscany.sca.runtime.DomainRegistry;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
+import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;
+import org.oasisopen.sca.NoSuchServiceException;
+import org.oasisopen.sca.ServiceRuntimeException;
+import org.oasisopen.sca.annotation.Remotable;
+
+/**
+ * TODO: Merge this into sca-client RemoteServiceInvocationHandler
+ *
+ * All the code for creating a service proxy in this helper class as it feels like
+ * it doesn't all belong in the node but i can't see where to refactor it to yet.
+ * (perhaps its just the remote proxy bit that needs to go somewhere else?)
+ */
+public class ServiceHelper {
+
+ public static <T> T getService(Class<T> interfaze, String serviceURI, DomainRegistry domainRegistry, ExtensionPointRegistry extensionPointRegistry, Deployer deployer) throws NoSuchServiceException {
+
+ List<Endpoint> endpoints = domainRegistry.findEndpoint(serviceURI);
+ if (endpoints.size() < 1) {
+ throw new NoSuchServiceException(serviceURI);
+ }
+
+ String serviceName = null;
+ if (serviceURI.contains("/")) {
+ int i = serviceURI.indexOf("/");
+ if (i < serviceURI.length() - 1) {
+ serviceName = serviceURI.substring(i + 1);
+ }
+ }
+
+ Endpoint ep = endpoints.get(0);
+ if (((RuntimeComponent)ep.getComponent()).getComponentContext() != null) {
+ return ((RuntimeComponent)ep.getComponent()).getServiceReference(interfaze, serviceName).getService();
+ } else {
+ return getRemoteProxy(interfaze, ep, domainRegistry, extensionPointRegistry, deployer);
+ }
+ }
+
+ private static <T> T getRemoteProxy(Class<T> serviceInterface, Endpoint endpoint, DomainRegistry domainRegistry, ExtensionPointRegistry extensionPointRegistry, Deployer deployer) throws NoSuchServiceException {
+ FactoryExtensionPoint factories = extensionPointRegistry.getExtensionPoint(FactoryExtensionPoint.class);
+ AssemblyFactory assemblyFactory = factories.getFactory(AssemblyFactory.class);
+ JavaInterfaceFactory javaInterfaceFactory = factories.getFactory(JavaInterfaceFactory.class);
+ ProxyFactory proxyFactory =
+ new ExtensibleProxyFactory(extensionPointRegistry.getExtensionPoint(ProxyFactoryExtensionPoint.class));
+
+ CompositeContext compositeContext =
+ new CompositeContext(extensionPointRegistry, domainRegistry, null, null, null,
+ deployer.getSystemDefinitions());
+
+ if (serviceInterface == null) {
+ try {
+ serviceInterface = (Class<T>)findInterface(endpoint, domainRegistry);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ RuntimeEndpointReference epr;
+ try {
+ epr =
+ createEndpointReference(javaInterfaceFactory,
+ compositeContext,
+ assemblyFactory,
+ endpoint,
+ serviceInterface);
+ } catch (Exception e) {
+ throw new ServiceRuntimeException(e);
+ }
+
+ return proxyFactory.createProxy(serviceInterface, epr);
+ }
+
+ private static RuntimeEndpointReference createEndpointReference(JavaInterfaceFactory javaInterfaceFactory,
+ CompositeContext compositeContext,
+ AssemblyFactory assemblyFactory,
+ Endpoint endpoint,
+ Class<?> businessInterface)
+ throws CloneNotSupportedException, InvalidInterfaceException {
+ Component component = endpoint.getComponent();
+ ComponentService service = endpoint.getService();
+ ComponentReference componentReference = assemblyFactory.createComponentReference();
+ componentReference.setName("sca.client." + service.getName());
+
+ componentReference.setCallback(service.getCallback());
+ componentReference.getTargets().add(service);
+ componentReference.getPolicySets().addAll(service.getPolicySets());
+ componentReference.getRequiredIntents().addAll(service.getRequiredIntents());
+ componentReference.getBindings().add(endpoint.getBinding());
+
+ InterfaceContract interfaceContract = service.getInterfaceContract();
+ Service componentTypeService = service.getService();
+ if (componentTypeService != null && componentTypeService.getInterfaceContract() != null) {
+ interfaceContract = componentTypeService.getInterfaceContract();
+ }
+ interfaceContract = getInterfaceContract(javaInterfaceFactory, interfaceContract, businessInterface);
+ componentReference.setInterfaceContract(interfaceContract);
+ componentReference.setMultiplicity(Multiplicity.ONE_ONE);
+ // component.getReferences().add(componentReference);
+
+ // create endpoint reference
+ EndpointReference endpointReference = assemblyFactory.createEndpointReference();
+ endpointReference.setComponent(component);
+ endpointReference.setReference(componentReference);
+ endpointReference.setBinding(endpoint.getBinding());
+ endpointReference.setUnresolved(false);
+ endpointReference.setStatus(EndpointReference.Status.WIRED_TARGET_FOUND_AND_MATCHED);
+
+ endpointReference.setTargetEndpoint(endpoint);
+
+ componentReference.getEndpointReferences().add(endpointReference);
+ ((RuntimeComponentReference)componentReference).setComponent((RuntimeComponent)component);
+ ((RuntimeEndpointReference)endpointReference).bind(compositeContext);
+
+ return (RuntimeEndpointReference)endpointReference;
+ }
+
+ private static InterfaceContract getInterfaceContract(JavaInterfaceFactory javaInterfaceFactory,
+ InterfaceContract interfaceContract,
+ Class<?> businessInterface) throws CloneNotSupportedException,
+ InvalidInterfaceException {
+ if (businessInterface == null) {
+ return interfaceContract;
+ }
+ boolean compatible = false;
+ if (interfaceContract != null && interfaceContract.getInterface() != null) {
+ Interface interfaze = interfaceContract.getInterface();
+ if (interfaze instanceof JavaInterface) {
+ Class<?> cls = ((JavaInterface)interfaze).getJavaClass();
+ if (cls != null && businessInterface.isAssignableFrom(cls)) {
+ compatible = true;
+ }
+ }
+ }
+
+ if (!compatible) {
+ // The interface is not assignable from the interface contract
+ interfaceContract = javaInterfaceFactory.createJavaInterfaceContract();
+ JavaInterface callInterface = javaInterfaceFactory.createJavaInterface(businessInterface);
+ callInterface.setRemotable(true);
+ interfaceContract.setInterface(callInterface);
+ if (callInterface.getCallbackClass() != null) {
+ interfaceContract.setCallbackInterface(javaInterfaceFactory.createJavaInterface(callInterface
+ .getCallbackClass()));
+ }
+ }
+
+ return interfaceContract;
+ }
+
+ private static Class<?> findInterface(Endpoint endpoint, DomainRegistry domainRegistry) throws MalformedURLException, ClassNotFoundException {
+ Interface iface = endpoint.getService().getInterfaceContract().getInterface();
+ if (iface instanceof JavaInterface) {
+ String curi = domainRegistry.getContainingCompositesContributionURI(endpoint.getComponent().getName());
+ if (curi != null) {
+ ContributionDescription ic = domainRegistry.getInstalledContribution(curi);
+ ClassLoader cl = new URLClassLoader(new URL[]{new URL(ic.getURL())}, Remotable.class.getClassLoader());
+ return cl.loadClass(((JavaInterface)iface).getName());
+ }
+ }
+ return null;
+ }
+}
diff --git a/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/hotupdate/HotUpdater.java b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/hotupdate/HotUpdater.java new file mode 100644 index 0000000000..7369ab385b --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/hotupdate/HotUpdater.java @@ -0,0 +1,111 @@ +/*
+ * 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.impl.hotupdate;
+
+import java.io.File;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.tuscany.sca.Node;
+import org.apache.tuscany.sca.impl.NodeImpl;
+
+/**
+ * Code to do dynamic updates to a running Node.
+ * Very experimental presently, mainly just to see what type of things are required
+ */
+public class HotUpdater {
+
+ private final Node node;
+ private final File domainDir;
+
+ // key is contribution URI (which for exploded contributions is the directory name)
+ private final Map<String, LastModifiedTracker> contributions = new HashMap<String, LastModifiedTracker>();
+
+ private final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
+
+ public HotUpdater(Node node, File domainDir){
+ this.node = node;
+ this.domainDir = domainDir;
+
+ final Runnable checker = new Runnable() {
+ public void run() {
+ check();
+ }
+ };
+
+ scheduler.scheduleAtFixedRate(checker, 10, 10, TimeUnit.SECONDS);
+ }
+
+ private void check() {
+ Set<String> found = new HashSet<String>();
+ for (File f : domainDir.listFiles()) {
+ if (f.isDirectory() && !f.getName().startsWith(".")) {
+ found.add(f.getName());
+ LastModifiedTracker scanner = contributions.get(f.getName());
+ if (scanner == null) {
+ //newContribution(f);
+ contributions.put(f.getName(), new LastModifiedTracker(f));
+ } else {
+ if (scanner.checkModified()) {
+ updatedContribution(f);
+ }
+ }
+ }
+ }
+
+ HashSet<String> removed = new HashSet<String>(contributions.keySet());
+ removed.removeAll(found);
+ for (String curi : removed) {
+ removedContribution(curi);
+ }
+
+ }
+
+ private void removedContribution(String curi) {
+ try {
+ ((NodeImpl)node).uninstallContribution(curi, true);
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ contributions.remove(curi);
+ }
+
+ private void updatedContribution(File f) {
+ try {
+ ((NodeImpl)node).updateContribution(f.getName(), f.toURI().toURL().toString(), null, null);
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+ private void newContribution(File f) {
+ try {
+ node.installContribution(f.getName(), f.toURI().toURL().toString(), null, null);
+ node.startDeployables(f.getName());
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+}
diff --git a/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/hotupdate/LastModifiedTracker.java b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/hotupdate/LastModifiedTracker.java new file mode 100644 index 0000000000..a129f4d0fe --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta4-RC0/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/hotupdate/LastModifiedTracker.java @@ -0,0 +1,75 @@ +/*
+ * 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.impl.hotupdate;
+
+import java.io.File;
+
+/**
+ * Keeps track of if a file or directory has been modified since a previous check
+ */
+public class LastModifiedTracker {
+
+ private File targetFile;
+ private Long lastModified;
+
+ public LastModifiedTracker(File targetFile) {
+ this.targetFile = targetFile;
+ checkModified();
+ }
+
+ public void reset() {
+ lastModified = null;
+ }
+
+ public boolean checkModified() {
+
+ long newLastModified = getNewLastModified(targetFile);
+
+ if (lastModified == null) {
+ lastModified = newLastModified;
+ return false;
+ }
+
+ if (newLastModified > lastModified) {
+ lastModified = newLastModified;
+ return true;
+ }
+
+ return false;
+ }
+
+ protected long getNewLastModified(File f) {
+
+ if (!f.exists()) return 0;
+
+ if (f.isFile()) return f.lastModified();
+
+ long newLastModified = f.lastModified();
+
+ for (File fx : f.listFiles()) {
+ long fxLastModified = getNewLastModified(fx);
+ if (fxLastModified > newLastModified){
+ newLastModified = fxLastModified;
+ }
+ }
+
+ return newLastModified;
+ }
+}
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