diff options
Diffstat (limited to 'sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/runtime/AbstractRuntime.java')
| -rw-r--r-- | sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/runtime/AbstractRuntime.java | 379 |
1 files changed, 0 insertions, 379 deletions
diff --git a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/runtime/AbstractRuntime.java b/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/runtime/AbstractRuntime.java deleted file mode 100644 index 4a9cbb1ff5..0000000000 --- a/sandbox/rfeng/minicore/src/main/java/org/apache/tuscany/core/runtime/AbstractRuntime.java +++ /dev/null @@ -1,379 +0,0 @@ -/* - * 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.core.runtime; - -import static org.apache.tuscany.spi.bootstrap.ComponentNames.TUSCANY_DEPLOYER; -import static org.apache.tuscany.spi.bootstrap.ComponentNames.TUSCANY_SYSTEM; -import static org.apache.tuscany.spi.bootstrap.ComponentNames.TUSCANY_SYSTEM_ROOT; - -import java.io.BufferedReader; -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.Collection; -import java.util.Enumeration; -import java.util.HashSet; -import java.util.List; -import java.util.Set; - -import javax.xml.stream.XMLInputFactory; - -import org.apache.tuscany.core.bootstrap.Bootstrapper; -import org.apache.tuscany.core.bootstrap.DefaultBootstrapper; -import org.apache.tuscany.core.bootstrap.ExtensionActivator; -import org.apache.tuscany.core.builder.ConnectorImpl; -import org.apache.tuscany.core.component.ComponentManagerImpl; -import org.apache.tuscany.core.component.SimpleWorkContext; -import org.apache.tuscany.core.component.scope.CompositeScopeContainer; -import org.apache.tuscany.core.component.scope.ScopeRegistryImpl; -import org.apache.tuscany.core.deployer.DeployerImpl; -import org.apache.tuscany.core.monitor.NullMonitorFactory; -import org.apache.tuscany.core.resolver.AutowireResolver; -import org.apache.tuscany.core.resolver.DefaultAutowireResolver; -import org.apache.tuscany.core.services.classloading.ClassLoaderRegistryImpl; -import org.apache.tuscany.core.util.IOHelper; -import org.apache.tuscany.host.MonitorFactory; -import org.apache.tuscany.host.RuntimeInfo; -import org.apache.tuscany.host.management.ManagementService; -import org.apache.tuscany.host.monitor.FormatterRegistry; -import org.apache.tuscany.host.runtime.InitializationException; -import org.apache.tuscany.host.runtime.TuscanyRuntime; -import org.apache.tuscany.spi.builder.BuilderRegistry; -import org.apache.tuscany.spi.builder.Connector; -import org.apache.tuscany.spi.component.AtomicComponent; -import org.apache.tuscany.spi.component.Component; -import org.apache.tuscany.spi.component.ComponentManager; -import org.apache.tuscany.spi.component.RegistrationException; -import org.apache.tuscany.spi.component.ScopeContainerMonitor; -import org.apache.tuscany.spi.component.ScopeRegistry; -import org.apache.tuscany.spi.component.TargetResolutionException; -import org.apache.tuscany.spi.component.WorkContext; -import org.apache.tuscany.spi.deployer.Deployer; -import org.apache.tuscany.spi.idl.java.JavaServiceContract; -import org.apache.tuscany.spi.loader.LoaderRegistry; -import org.apache.tuscany.spi.services.classloading.ClassLoaderRegistry; -import org.apache.tuscany.spi.services.management.TuscanyManagementService; -import org.osoa.sca.ComponentContext; - -/** - * @version $Rev$ $Date$ - */ -public abstract class AbstractRuntime<I extends RuntimeInfo> implements TuscanyRuntime<I> { - private static final URI MONITOR_URI = TUSCANY_SYSTEM_ROOT.resolve("MonitorFactory"); - - private static final URI COMPONENT_MGR_URI = TUSCANY_SYSTEM_ROOT.resolve("ComponentManager"); - - private static final URI AUTOWIRE_RESOLVER_URI = TUSCANY_SYSTEM_ROOT.resolve("AutowireResolver"); - - private static final URI SCOPE_REGISTRY_URI = TUSCANY_SYSTEM_ROOT.resolve("ScopeRegistry"); - - private static final URI WORK_CONTEXT_URI = TUSCANY_SYSTEM.resolve("WorkContext"); - - private static final URI RUNTIME_INFO_URI = TUSCANY_SYSTEM_ROOT.resolve("RuntimeInfo"); - - private static final URI CLASSLOADER_REGISTRY_URI = TUSCANY_SYSTEM_ROOT.resolve("ClassLoaderRegistry"); - - private static final URI HOST_CLASSLOADER_ID = URI.create("sca://./hostClassLoader"); - - private static final URI BOOT_CLASSLOADER_ID = URI.create("sca://./bootClassLoader"); - - protected final XMLInputFactory xmlFactory; - protected URL systemScdl; - protected String applicationName; - protected URL applicationScdl; - protected Class<I> runtimeInfoType; - protected ManagementService<?> managementService; - - // primorial components automatically registered with the runtime - /** - * Information provided by the host about its runtime environment. - */ - protected I runtimeInfo; - - /** - * MonitorFactory provided by the host for directing events to its - * management framework. - */ - protected MonitorFactory monitorFactory; - - /** - * The ComponentManager that manages all components in this runtime. - */ - protected ComponentManager componentManager; - - /** - * Registry for ClassLoaders used by this runtime. - */ - protected ClassLoaderRegistry classLoaderRegistry; - - protected AutowireResolver resolver; - - protected Component systemComponent; - protected Component tuscanySystem; - - protected ScopeRegistry scopeRegistry; - protected Collection<ExtensionActivator> activators; - - protected AbstractRuntime(Class<I> runtimeInfoType) { - this(runtimeInfoType, new NullMonitorFactory()); - } - - protected AbstractRuntime(Class<I> runtimeInfoType, MonitorFactory monitorFactory) { - this.runtimeInfoType = runtimeInfoType; - this.monitorFactory = monitorFactory; - xmlFactory = XMLInputFactory.newInstance("javax.xml.stream.XMLInputFactory", getClass().getClassLoader()); - classLoaderRegistry = new ClassLoaderRegistryImpl(); - classLoaderRegistry.register(BOOT_CLASSLOADER_ID, getClass().getClassLoader()); - } - - public URL getSystemScdl() { - return systemScdl; - } - - public void setSystemScdl(URL systemScdl) { - this.systemScdl = systemScdl; - } - - public String getApplicationName() { - return applicationName; - } - - public void setApplicationName(String applicationName) { - this.applicationName = applicationName; - } - - public URL getApplicationScdl() { - return applicationScdl; - } - - public void setApplicationScdl(URL applicationScdl) { - this.applicationScdl = applicationScdl; - } - - public ClassLoader getHostClassLoader() { - return classLoaderRegistry.getClassLoader(HOST_CLASSLOADER_ID); - } - - public void setHostClassLoader(ClassLoader hostClassLoader) { - classLoaderRegistry.register(HOST_CLASSLOADER_ID, hostClassLoader); - } - - public I getRuntimeInfo() { - return runtimeInfo; - } - - public void setRuntimeInfo(I runtimeInfo) { - this.runtimeInfo = runtimeInfo; - } - - public MonitorFactory getMonitorFactory() { - return monitorFactory; - } - - public void setMonitorFactory(MonitorFactory monitorFactory) { - this.monitorFactory = monitorFactory; - } - - public ManagementService<?> getManagementService() { - return managementService; - } - - public void setManagementService(ManagementService<?> managementService) { - this.managementService = managementService; - } - - public void initialize() throws InitializationException { - // URI name = TUSCANY_SYSTEM_ROOT.resolve("main"); - Bootstrapper bootstrapper = createBootstrapper(); - Deployer deployer = bootstrapper.createDeployer(); - registerSystemComponent(TUSCANY_DEPLOYER, Deployer.class, deployer); - registerSystemComponent(WORK_CONTEXT_URI, WorkContext.class, new SimpleWorkContext()); - - this.scopeRegistry = bootstrapper.getScopeRegistry(); - - LoaderRegistry loaderRegistry = (LoaderRegistry)((DeployerImpl)deployer).getLoader(); - BuilderRegistry builderRegistry = (BuilderRegistry)((DeployerImpl)deployer).getBuilder(); - activators = getInstances(getHostClassLoader(), ExtensionActivator.class); - for (ExtensionActivator activator : activators) { - activator.start(loaderRegistry, builderRegistry); - } - - registerBaselineSystemComponents(); - } - - public void destroy() { - if (tuscanySystem != null) { - tuscanySystem.stop(); - tuscanySystem = null; - } - if (systemComponent != null) { - systemComponent.stop(); - systemComponent = null; - } - } - - public ComponentContext getComponentContext(URI componentId) { - Component component = componentManager.getComponent(componentId); - if (component == null) { - return null; - } - return component.getComponentContext(); - } - - protected Bootstrapper createBootstrapper() { - TuscanyManagementService tms = (TuscanyManagementService)getManagementService(); - resolver = new DefaultAutowireResolver(); - componentManager = new ComponentManagerImpl(tms, resolver); - Connector connector = new ConnectorImpl(componentManager); - return new DefaultBootstrapper(getMonitorFactory(), xmlFactory, componentManager, resolver, connector); - } - - protected void registerBaselineSystemComponents() throws InitializationException { - // register the RuntimeInfo provided by the host - registerSystemComponent(RUNTIME_INFO_URI, runtimeInfoType, runtimeInfo); - - // register the MonitorFactory provided by the host - List<Class<?>> monitorServices = new ArrayList<Class<?>>(); - monitorServices.add(MonitorFactory.class); - monitorServices.add(FormatterRegistry.class); - registerSystemComponent(MONITOR_URI, monitorServices, getMonitorFactory()); - - // register the ClassLoaderRegistry - registerSystemComponent(CLASSLOADER_REGISTRY_URI, ClassLoaderRegistry.class, classLoaderRegistry); - - // register the ComponentManager to that the fabric can wire to it - registerSystemComponent(COMPONENT_MGR_URI, ComponentManager.class, componentManager); - - // register the AutowireResolver - registerSystemComponent(AUTOWIRE_RESOLVER_URI, AutowireResolver.class, resolver); - - // register the ScopeRegistry - registerSystemComponent(SCOPE_REGISTRY_URI, ScopeRegistry.class, scopeRegistry); - } - - protected <S, I extends S> void registerSystemComponent(URI uri, Class<S> type, I component) - throws InitializationException { - try { - JavaServiceContract<S> contract = new JavaServiceContract<S>(type); - componentManager.registerJavaObject(uri, contract, component); - } catch (RegistrationException e) { - throw new InitializationException(e); - } - } - - protected <I> void registerSystemComponent(URI uri, List<Class<?>> types, I component) - throws InitializationException { - try { - List<JavaServiceContract<?>> contracts = new ArrayList<JavaServiceContract<?>>(); - for (Class<?> type : types) { - contracts.add(new JavaServiceContract(type)); - - } - componentManager.registerJavaObject(uri, contracts, component); - } catch (RegistrationException e) { - throw new InitializationException(e); - } - } - - protected ComponentManager getComponentManager() { - return componentManager; - } - - protected ScopeRegistry getScopeRegistry() { - return scopeRegistry; - } - - protected WorkContext getWorkContext() { - try { - AtomicComponent component = (AtomicComponent)getComponentManager().getComponent(WORK_CONTEXT_URI); - return (WorkContext)component.getTargetInstance(); - } catch (TargetResolutionException e) { - throw new AssertionError(e); - } - } - - protected Deployer getDeployer() { - try { - AtomicComponent component = (AtomicComponent)getComponentManager().getComponent(TUSCANY_DEPLOYER); - return (Deployer)component.getTargetInstance(); - } catch (TargetResolutionException e) { - throw new AssertionError(e); - } - } - - /** - * Read the service name from a configuration file - * - * @param classLoader - * @param name The name of the service class - * @return A class name which extends/implements the service class - * @throws IOException - */ - private static Set<String> getServiceNames(ClassLoader classLoader, String name) throws IOException { - Set<String> set = new HashSet<String>(); - Enumeration<URL> urls = classLoader.getResources("META-INF/services/" + name); - while (urls.hasMoreElements()) { - URL url = urls.nextElement(); - String service = getServiceName(url); - if (service != null) { - set.add(service); - - } - } - return set; - } - - private static String getServiceName(URL url) throws IOException { - InputStream is = IOHelper.getInputStream(url); - BufferedReader reader = null; - try { - reader = new BufferedReader(new InputStreamReader(is)); - while (true) { - String line = reader.readLine(); - if (line == null) { - break; - } else if (!line.startsWith("#")) { - return line.trim(); - } - } - } finally { - if (reader != null) { - reader.close(); - } - } - return null; - } - - private static <T> Collection<T> getInstances(final ClassLoader classLoader, Class<T> serviceClass) { - List<T> instances = new ArrayList<T>(); - try { - Set<String> services = getServiceNames(classLoader, serviceClass.getName()); - for (String className : services) { - Class cls = Class.forName(className, true, classLoader); - instances.add(serviceClass.cast(cls.newInstance())); // NOPMD - } - } catch (Exception e) { - throw new IllegalStateException(e); - } - return instances; - } -} |