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Diffstat (limited to 'sca-java-1.x/branches/sca-java-0.91/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/ReallySmallRuntime.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-0.91/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/ReallySmallRuntime.java | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-0.91/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/ReallySmallRuntime.java b/sca-java-1.x/branches/sca-java-0.91/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/ReallySmallRuntime.java new file mode 100644 index 0000000000..dd25585d73 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.91/modules/host-embedded/src/main/java/org/apache/tuscany/sca/host/embedded/impl/ReallySmallRuntime.java @@ -0,0 +1,178 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.host.embedded.impl; + +import java.util.List; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.DefaultSCABindingFactory; +import org.apache.tuscany.sca.assembly.SCABindingFactory; +import org.apache.tuscany.sca.contribution.ContributionFactory; +import org.apache.tuscany.sca.contribution.impl.ContributionFactoryImpl; +import org.apache.tuscany.sca.contribution.service.ContributionService; +import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry; +import org.apache.tuscany.sca.core.DefaultModelFactoryExtensionPoint; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.core.ModuleActivator; +import org.apache.tuscany.sca.core.invocation.MessageFactoryImpl; +import org.apache.tuscany.sca.core.invocation.ProxyFactory; +import org.apache.tuscany.sca.core.runtime.ActivationException; +import org.apache.tuscany.sca.core.runtime.CompositeActivator; +import org.apache.tuscany.sca.core.runtime.RuntimeAssemblyFactory; +import org.apache.tuscany.sca.core.work.ThreadPoolWorkManager; +import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper; +import org.apache.tuscany.sca.interfacedef.impl.InterfaceContractMapperImpl; +import org.apache.tuscany.sca.invocation.MessageFactory; +import org.apache.tuscany.sca.policy.DefaultPolicyFactory; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.apache.tuscany.sca.scope.ScopeRegistry; + +public class ReallySmallRuntime { + + private List<ModuleActivator> modules; + private ExtensionPointRegistry registry; + + private ClassLoader classLoader; + private AssemblyFactory assemblyFactory; + private ContributionService contributionService; + private CompositeActivator compositeActivator; + private ThreadPoolWorkManager workManager; + private ScopeRegistry scopeRegistry; + + public ReallySmallRuntime(ClassLoader classLoader) { + this.classLoader = classLoader; + } + + public void start() throws ActivationException { + + // Create our extension point registry + registry = new DefaultExtensionPointRegistry(); + + // Create a work manager + workManager = new ThreadPoolWorkManager(10); + + // Create an interface contract mapper + InterfaceContractMapper mapper = new InterfaceContractMapperImpl(); + + // Create factory extension point + ModelFactoryExtensionPoint factories = new DefaultModelFactoryExtensionPoint(); + registry.addExtensionPoint(factories); + + // Create Message factory + MessageFactory messageFactory = new MessageFactoryImpl(); + factories.addFactory(messageFactory); + + // Create a proxy factory + ProxyFactory proxyFactory = ReallySmallRuntimeBuilder.createProxyFactory(registry, mapper, messageFactory); + + // Create model factories + assemblyFactory = new RuntimeAssemblyFactory(mapper, proxyFactory); + factories.addFactory(assemblyFactory); + PolicyFactory policyFactory = new DefaultPolicyFactory(); + factories.addFactory(policyFactory); + SCABindingFactory scaBindingFactory = new DefaultSCABindingFactory(); + factories.addFactory(scaBindingFactory); + ContributionFactory contributionFactory = new ContributionFactoryImpl(); + factories.addFactory(contributionFactory); + + // Create a contribution service + contributionService = ReallySmallRuntimeBuilder.createContributionService(registry, + contributionFactory, + assemblyFactory, + policyFactory, + mapper); + + // Create the ScopeRegistry + scopeRegistry = ReallySmallRuntimeBuilder.createScopeRegistry(registry); + + // Create a composite activator + compositeActivator = ReallySmallRuntimeBuilder.createCompositeActivator(registry, + assemblyFactory, + scaBindingFactory, + mapper, + scopeRegistry, + workManager); + + // Start the runtime modules + modules = startModules(registry, classLoader); + + } + + public void stop() throws ActivationException { + + // Stop the runtime modules + stopModules(registry, modules); + + // Stop and destroy the work manager + workManager.destroy(); + + // Cleanup + modules = null; + registry = null; + assemblyFactory = null; + contributionService = null; + compositeActivator = null; + workManager = null; + scopeRegistry = null; + } + + public ContributionService getContributionService() { + return contributionService; + } + + public CompositeActivator getCompositeActivator() { + return compositeActivator; + } + + public AssemblyFactory getAssemblyFactory() { + return assemblyFactory; + } + + @SuppressWarnings("unchecked") + private List<ModuleActivator> startModules(ExtensionPointRegistry registry, ClassLoader classLoader) + throws ActivationException { + + // Load and instantiate the modules found on the classpath + List<ModuleActivator> modules = ReallySmallRuntimeBuilder.getServices(classLoader, ModuleActivator.class); + for (ModuleActivator module : modules) { + Object[] extensionPoints = module.getExtensionPoints(); + if (extensionPoints != null) { + for (Object e : extensionPoints) { + registry.addExtensionPoint(e); + } + } + } + + // Start all the extension modules + for (ModuleActivator activator : modules) { + activator.start(registry); + } + + return modules; + } + + private void stopModules(ExtensionPointRegistry registry, List<ModuleActivator> modules) { + for (ModuleActivator module : modules) { + module.stop(registry); + } + } + +} |