diff options
Diffstat (limited to 'sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime')
5 files changed, 0 insertions, 2002 deletions
diff --git a/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java b/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java deleted file mode 100644 index 5664c77618..0000000000 --- a/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java +++ /dev/null @@ -1,1254 +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.sca.implementation.osgi.runtime; - -import java.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.io.InputStream; -import java.lang.reflect.Method; -import java.security.AccessController; -import java.security.PrivilegedActionException; -import java.security.PrivilegedExceptionAction; -import java.util.ArrayList; -import java.util.Dictionary; -import java.util.HashSet; -import java.util.Hashtable; -import java.util.List; -import java.util.StringTokenizer; -import java.util.concurrent.atomic.AtomicInteger; -import java.util.jar.JarOutputStream; -import java.util.jar.Manifest; -import java.util.zip.ZipEntry; - -import org.apache.tuscany.sca.assembly.ComponentProperty; -import org.apache.tuscany.sca.assembly.ComponentReference; -import org.apache.tuscany.sca.assembly.ComponentService; -import org.apache.tuscany.sca.assembly.Multiplicity; -import org.apache.tuscany.sca.assembly.Property; -import org.apache.tuscany.sca.assembly.Reference; -import org.apache.tuscany.sca.assembly.Service; -import org.apache.tuscany.sca.context.RequestContextFactory; -import org.apache.tuscany.sca.core.context.InstanceWrapper; -import org.apache.tuscany.sca.core.factory.ObjectCreationException; -import org.apache.tuscany.sca.core.factory.ObjectFactory; -import org.apache.tuscany.sca.core.invocation.JDKProxyFactory; -import org.apache.tuscany.sca.core.invocation.ProxyFactory; -import org.apache.tuscany.sca.core.scope.Scope; -import org.apache.tuscany.sca.core.scope.ScopeContainer; -import org.apache.tuscany.sca.core.scope.ScopeRegistry; -import org.apache.tuscany.sca.core.scope.ScopedImplementationProvider; -import org.apache.tuscany.sca.core.scope.ScopedRuntimeComponent; -import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; -import org.apache.tuscany.sca.databinding.impl.SimpleTypeMapperImpl; -import org.apache.tuscany.sca.implementation.java.IntrospectionException; -import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory; -import org.apache.tuscany.sca.implementation.osgi.OSGiImplementation; -import org.apache.tuscany.sca.implementation.osgi.context.OSGiAnnotations; -import org.apache.tuscany.sca.implementation.osgi.impl.OSGiImplementationImpl; -import org.apache.tuscany.sca.interfacedef.Interface; -import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.MessageFactory; -import org.apache.tuscany.sca.osgi.runtime.OSGiRuntime; -import org.apache.tuscany.sca.runtime.EndpointReference; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.apache.tuscany.sca.runtime.RuntimeComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; -import org.apache.tuscany.sca.runtime.RuntimeWire; -import org.osgi.framework.Bundle; -import org.osgi.framework.BundleContext; -import org.osgi.framework.BundleEvent; -import org.osgi.framework.BundleException; -import org.osgi.framework.BundleListener; -import org.osgi.framework.Constants; -import org.osgi.framework.FrameworkEvent; -import org.osgi.framework.FrameworkListener; -import org.osgi.framework.InvalidSyntaxException; -import org.osgi.framework.ServiceEvent; -import org.osgi.framework.ServiceListener; -import org.osgi.service.packageadmin.ExportedPackage; -import org.osgi.service.packageadmin.PackageAdmin; - -/** - * The runtime instantiation of OSGi component implementations - * - * @version $Rev$ $Date$ - */ -public class OSGiImplementationProvider implements ScopedImplementationProvider, - FrameworkListener, - BundleListener { - - private static final String COMPONENT_SERVICE_NAME = "component.service.name"; - - // Maximum milliseconds to wait for a method to complete - private static final long METHOD_TIMEOUT_MILLIS = 60000; - // Maximum milliseconds to wait for services to be registered into OSGi service registry - private static final long SERVICE_TIMEOUT_MILLIS = 300000; - - private OSGiImplementationImpl implementation; - private OSGiAnnotations osgiAnnotations; - private BundleContext bundleContext; - - private Hashtable<RuntimeWire, Reference> referenceWires = new Hashtable<RuntimeWire,Reference>(); - private Hashtable<RuntimeWire, ComponentReference> componentReferenceWires - = new Hashtable<RuntimeWire,ComponentReference>(); - private HashSet<RuntimeWire> resolvedWires = new HashSet<RuntimeWire>(); - private boolean wiresResolved; - - private AtomicInteger startBundleEntryCount = new AtomicInteger(); - private AtomicInteger processAnnotationsEntryCount = new AtomicInteger(); - - private JavaPropertyValueObjectFactory propertyValueFactory; - - - private Hashtable<String, Object> componentProperties = new Hashtable<String, Object>(); - private RuntimeComponent runtimeComponent; - - private Bundle osgiBundle; - private ArrayList<Bundle> dependentBundles = new ArrayList<Bundle>(); - private OSGiServiceListener osgiServiceListener; - private PackageAdmin packageAdmin; - - private OSGiRuntime osgiRuntime; - - private ScopeRegistry scopeRegistry; - private DataBindingExtensionPoint dataBindingRegistry; - - private boolean packagesRefreshed; - - private MessageFactory messageFactory; - private InterfaceContractMapper mapper; - - - public OSGiImplementationProvider(RuntimeComponent definition, - OSGiImplementation impl, - DataBindingExtensionPoint dataBindingRegistry, - JavaPropertyValueObjectFactory propertyValueFactory, - ProxyFactory proxyFactory, - ScopeRegistry scopeRegistry, - RequestContextFactory requestContextFactory, - MessageFactory messageFactory, - InterfaceContractMapper mapper) throws BundleException { - - - this.implementation = (OSGiImplementationImpl)impl; - this.runtimeComponent = definition; - this.dataBindingRegistry = dataBindingRegistry; - this.propertyValueFactory = propertyValueFactory; - this.scopeRegistry = scopeRegistry; - this.messageFactory = messageFactory; - this.mapper = mapper; - - bundleContext = getBundleContext(); - osgiBundle = (Bundle)implementation.getOSGiBundle(); - bundleContext.addBundleListener(this); - osgiServiceListener = new OSGiServiceListener(osgiBundle); - bundleContext.addServiceListener(osgiServiceListener); - - // Install and start all dependent bundles - String[] imports = implementation.getImports(); - for (int i = 0; i < imports.length; i++) { - String location = imports[i].trim(); - if (location.length() > 0) { - Bundle bundle = bundleContext.installBundle(location); - dependentBundles.add(bundle); - } - } - - - this.osgiAnnotations = new OSGiAnnotations( - implementation.getModelFactories(), - implementation.getClassList(), - runtimeComponent, - propertyValueFactory, - proxyFactory, - requestContextFactory, - osgiBundle, - dependentBundles); - - - // PackageAdmin is used to resolve bundles - org.osgi.framework.ServiceReference packageAdminReference = - bundleContext.getServiceReference("org.osgi.service.packageadmin.PackageAdmin"); - if (packageAdminReference != null) { - packageAdmin = (PackageAdmin) bundleContext.getService(packageAdminReference); - bundleContext.addFrameworkListener(this); - } - - - } - - protected RuntimeComponent getRuntimeComponent() { - return runtimeComponent; - } - - protected OSGiImplementationImpl getImplementation() { - return implementation; - } - - // Create a property table from the list of properties - // The source properties are properties read from <property/> elements - // Create property values in the table of the appropriate class based - // on the property type specified. - private void processProperties(List<?> props, Hashtable<String, Object> propsTable) { - - if (props != null) { - for (Object p : props) { - - Property prop = (Property)p; - Class javaType = SimpleTypeMapperImpl.getJavaType(prop.getXSDType()); - ObjectFactory<?> objFactory = propertyValueFactory.createValueFactory(prop, prop.getValue(), javaType); - Object value = objFactory.getInstance(); - - propsTable.put(prop.getName(), value); - } - } - } - - - private BundleContext getBundleContext() throws BundleException { - - try { - if (bundleContext == null) { - osgiRuntime = OSGiRuntime.getRuntime(); - bundleContext = osgiRuntime .getBundleContext(); - } - } catch (BundleException e) { - throw e; - } catch (Exception e) { - throw new BundleException("Could not start OSGi runtime", e); - } - - - return bundleContext; - } - - - private String getOSGiFilter(Hashtable<String, Object> props) { - - String filter = ""; - - if (props != null && props.size() > 0) { - int propCount = 0; - for (String propName : props.keySet()) { - if (propName.equals("service.pid")) - continue; - filter = filter + "(" + propName + "=" + props.get(propName) + ")"; - propCount++; - } - - if (propCount > 1) filter = "(&" + filter + ")"; - } - else - filter = null; - return filter; - } - - /* - * Return a matching service registered by the specified bundle. - * If <implementation.osgi /> has the attribute filter defined, return a service - * reference that matches the filter. Otherwise, return a service which has a component - * name equal to this component's name. If not found, return a service which no - * component name set. - * - * Even though services registered by this bundle can be filtered using the - * service listener, we use this method to filter all service references so that - * the service matching functionality of OSGi can be directly used. - */ - private org.osgi.framework.ServiceReference getOSGiServiceReference( - String scaServiceName, - String osgiServiceName, String filter) - throws InvalidSyntaxException { - - String compServiceName = runtimeComponent.getName() + "/" + scaServiceName; - if (filter != null && filter.length() > 0) { - org.osgi.framework.ServiceReference[] references = - bundleContext.getServiceReferences(osgiServiceName, filter); - - - org.osgi.framework.ServiceReference reference = null; - if (references != null) { - for (org.osgi.framework.ServiceReference ref : references) { - if (ref.getBundle() != osgiBundle) - continue; - Object compName = ref.getProperty(COMPONENT_SERVICE_NAME); - if (compName == null && reference == null) - reference = ref; - if (scaServiceName == null || compServiceName.equals(compName)) { - reference = ref; - break; - } - } - } - - return reference; - - } - - filter = scaServiceName == null? null : - "(" + COMPONENT_SERVICE_NAME + "="+ compServiceName + ")"; - - org.osgi.framework.ServiceReference[] references = - bundleContext.getServiceReferences(osgiServiceName, filter); - - if (references != null) { - for (org.osgi.framework.ServiceReference ref : references) { - if (ref.getBundle() == osgiBundle) { - return ref; - } - } - } - - references = bundleContext.getServiceReferences(osgiServiceName, null); - - org.osgi.framework.ServiceReference reference = null; - - if (references != null) { - for (org.osgi.framework.ServiceReference ref : references) { - - if (ref.getBundle() != osgiBundle) - continue; - Object compName = ref.getProperty(COMPONENT_SERVICE_NAME); - if (compName == null && reference == null) - reference = ref; - if (compServiceName.equals(compName)) { - reference = ref; - break; - } - } - } - - return reference; - } - - /** - * This method is used to avoid full synchronization of methods which should - * be executed only once. - * - * entryCount=0: The count is incremented, and this thread executes the method. Returns true. - * - * entryCount=1: Another thread is already executing this method. - * Wait for the thread to complete if doWait is true. Returns false. - * - * entryCount=2: The method has already been executed. Returns false. - * - * @param doWait If true, and another method is executing this method - * wait for method execution to complete - * @param entryCount Atomic integer used to ensure that the method is - * executed only once - * @return true if this thread has exclusive access to execute this method - */ - private boolean enterMethod(boolean doWait, AtomicInteger entryCount) { - - if (entryCount.compareAndSet(0, 1)) { - return true; - } - else { - if (doWait) { - synchronized (entryCount) { - if (entryCount.get() != 2) { - try { - entryCount.wait(METHOD_TIMEOUT_MILLIS); - } catch (InterruptedException e) { - } - } - } - } - return false; - } - } - - /** - * Called on method exit of methods which were entered after - * enterMethod returned true. Increments entryCount, and wakes - * up threads waiting for the method to complete. - * - * @param entryCount Atomic integer used for synchronization - */ - private void exitMethod(AtomicInteger entryCount) { - entryCount.compareAndSet(1, 2); - synchronized (entryCount) { - entryCount.notifyAll(); - } - } - - protected Bundle startBundle(boolean doWait) throws ObjectCreationException { - - try { - - if (enterMethod(doWait, startBundleEntryCount)) { - - configurePropertiesUsingConfigAdmin(); - - resolveBundle(); - - processAnnotations(true); - - - for (Bundle bundle : dependentBundles) { - try { - if (bundle.getState() != Bundle.ACTIVE && bundle.getState() != Bundle.STARTING) { - bundle.start(); - } - } catch (BundleException e) { - if (bundle.getHeaders().get("Fragment-Host") == null) - throw e; - } - } - - } - - if (osgiBundle.getState() != Bundle.ACTIVE && osgiBundle.getState() != Bundle.STARTING) { - - - int retry = 0; - - while (retry++ < 10) { - try { - AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() { - public Object run() throws BundleException { - osgiBundle.start(); - return null; - } - }); - break; - // } catch ( BundleException e) { - } catch ( PrivilegedActionException e) { - // It is possible that the thread "Refresh Packages" is in the process of - // changing the state of this bundle. - Thread.yield(); - - if (retry == 10) - throw e; - } - } - } - - } catch (Exception e) { - throw new ObjectCreationException(e); - } finally { - exitMethod(startBundleEntryCount); - } - return osgiBundle; - } - - - // This method is called by OSGiInstanceWrapper.getInstance to obtain the OSGi service reference - // corresponding to the specified service. The properties used to filter the service should - // be chosen based on whether this is a normal service or a callback. - protected org.osgi.framework.ServiceReference getOSGiServiceReference(ComponentService service) - throws ObjectCreationException { - - Hashtable<String, Object> props = new Hashtable<String, Object>(); - if (!service.isCallback()) - processProperties(implementation.getServiceProperties(service.getName()), props); - else - processProperties(implementation.getServiceCallbackProperties(service.getName()), props); - - String filter = getOSGiFilter(props); - Interface serviceInterface = service.getInterfaceContract().getInterface(); - String scaServiceName = service.getName(); - - return getOSGiServiceReference(serviceInterface, filter, scaServiceName); - - } - - protected org.osgi.framework.ServiceReference getOSGiServiceReference( - EndpointReference from, Interface callbackInterface) - throws ObjectCreationException { - - RuntimeWire refWire = null; - String filter = null; - for (RuntimeWire wire : referenceWires.keySet()) { - if (wire.getSource() == from) { - refWire = wire; - break; - } - } - if (refWire != null) { - Hashtable<String, Object> props = new Hashtable<String, Object>(); - ComponentReference scaRef = componentReferenceWires.get(refWire); - processProperties(implementation.getReferenceCallbackProperties(scaRef.getName()), props); - filter = getOSGiFilter(props); - } - - return getOSGiServiceReference(callbackInterface, filter, null); - } - - private org.osgi.framework.ServiceReference getOSGiServiceReference(Interface serviceInterface, - String filter, String scaServiceName) - throws ObjectCreationException { - - try { - - String serviceInterfaceName = null; - - org.osgi.framework.ServiceReference osgiServiceReference = null; - - if (serviceInterface instanceof JavaInterface) { - serviceInterfaceName = ((JavaInterface)serviceInterface).getJavaClass().getName(); - - if ((osgiServiceReference = getOSGiServiceReference( - scaServiceName, - serviceInterfaceName, filter)) == null) { - - // The service listener for our bundle will notify us when the service is registered. - synchronized (implementation) { - - // When declarative services are used, the component is started asynchronously - // So this thread has to wait for the service to be registered by the component - // activate method - // For regular bundle activators, bundle.start activates the bundle synchronously - // and hence the service would probably have been started by the bundle activator - long startTime = System.currentTimeMillis(); - while ((osgiServiceReference = getOSGiServiceReference( - scaServiceName, - serviceInterfaceName, filter)) == null) { - - // Wait for the bundle to register the service - implementation.wait(100); - if (System.currentTimeMillis() - startTime > SERVICE_TIMEOUT_MILLIS) - break; - } - } - - } - } - - return osgiServiceReference; - - } catch (Exception e) { - throw new ObjectCreationException(e); - } - } - - - // Felix does not support bundle fragments. This is a temporary workaround. - protected Bundle installDummyBundleWithoutFragments(Class<?> interfaceClass) - throws Exception { - - ByteArrayOutputStream out = new ByteArrayOutputStream(); - - String EOL = System.getProperty("line.separator"); - - String interfaceName = interfaceClass.getName(); - String packageName = getPackageName(interfaceClass); - String bundleName = "dummy.sca." + packageName; - - String manifestStr = "Manifest-Version: 1.0" + EOL - + "Bundle-ManifestVersion: 2" + EOL + "Bundle-Name: " - + bundleName + EOL + "Bundle-SymbolicName: " + bundleName + EOL - + "Bundle-Version: " + "1.0.0" + EOL - + "Bundle-Localization: plugin" + EOL; - - ArrayList<String> dummyClasses = new ArrayList<String>(); - - StringBuilder manifestBuf = new StringBuilder(); - manifestBuf.append(manifestStr); - manifestBuf.append("Export-Package: " + packageName + EOL); - String exportedInterfaces = interfaceName; - Bundle existingBundle = getDummyHostBundle(packageName); - String existingClasses; - dummyClasses.add(interfaceClass.getName()); - for (Class<?> clazz : interfaceClass.getClasses()) { - dummyClasses.add(clazz.getName()); - } - if (existingBundle != null && - (existingClasses = (String)existingBundle.getHeaders().get("SCA-Dummy-Classes")) != null) { - exportedInterfaces = exportedInterfaces + " " + existingClasses; - - StringTokenizer tokenizer = new StringTokenizer(existingClasses); - while (tokenizer.hasMoreTokens()) { - String className = tokenizer.nextToken(); - if (!dummyClasses.contains(className)) - dummyClasses.add(className); - } - } - - manifestBuf.append("SCA-Dummy-Classes: " + exportedInterfaces + EOL); - - ByteArrayInputStream manifestStream = new ByteArrayInputStream( - manifestBuf.toString().getBytes()); - Manifest manifest = new Manifest(); - manifest.read(manifestStream); - - JarOutputStream jarOut = new JarOutputStream(out, manifest); - - for (int i = 0; i < dummyClasses.size(); i++) { - - String className = dummyClasses.get(i); - - Class clazz = interfaceClass.getClassLoader().loadClass(className); - className = clazz.getName().replaceAll("\\.", "/") + ".class"; - ZipEntry ze = new ZipEntry(className); - jarOut.putNextEntry(ze); - InputStream stream = clazz.getResourceAsStream(clazz.getSimpleName() + ".class"); - - byte[] bytes = new byte[stream.available()]; - stream.read(bytes); - jarOut.write(bytes); - stream.close(); - } - - - jarOut.close(); - out.close(); - - if (existingBundle != null) { - existingBundle.stop(); - existingBundle.uninstall(); - } - - ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray()); - - Bundle bundle = bundleContext.installBundle("file://" + bundleName - + ".jar", in); - - bundle.start(); - - if (existingBundle != null && packageAdmin != null) { - refreshPackages(); - - } - - return bundle; - - } - - private Bundle getDummyHostBundle(String packageName) { - - if (packageAdmin == null) - return null; - - ExportedPackage exp = packageAdmin.getExportedPackage(packageName); - if (exp == null) - return null; - else - return exp.getExportingBundle(); - } - - private static String getPackageName(Class<?> cls) { - String name = cls.getName(); - int index = name.lastIndexOf('.'); - return index == -1 ? "" : name.substring(0, index); - } - - private Bundle installDummyBundle(Class<?> interfaceClass) - throws Exception { - - - if (!osgiRuntime.supportsBundleFragments()) { - return installDummyBundleWithoutFragments(interfaceClass); - } - - ByteArrayOutputStream out = new ByteArrayOutputStream(); - - String EOL = System.getProperty("line.separator"); - ArrayList<Class<?>> dummyClasses = new ArrayList<Class<?>>(); - - String interfaceName = interfaceClass.getName(); - String packageName = getPackageName(interfaceClass); - String bundleName = "dummy.sca." + interfaceName; - - - String manifestStr = "Manifest-Version: 1.0" + EOL + - "Bundle-ManifestVersion: 2" + EOL + - "Bundle-Name: " + bundleName + EOL + - "Bundle-SymbolicName: " + bundleName + EOL + - "Bundle-Version: " + "1.0.0" + EOL + - "Bundle-Localization: plugin" + EOL; - - - StringBuilder manifestBuf = new StringBuilder(); - manifestBuf.append(manifestStr); - manifestBuf.append("Export-Package: " + packageName + EOL); - Bundle dummyHost = getDummyHostBundle(packageName); - if (dummyHost != null) - manifestBuf.append("Fragment-Host: " + dummyHost.getSymbolicName() + EOL); - - ByteArrayInputStream manifestStream = new ByteArrayInputStream(manifestBuf.toString().getBytes()); - Manifest manifest = new Manifest(); - manifest.read(manifestStream); - - dummyClasses.add(interfaceClass); - for (Class<?> clazz : interfaceClass.getClasses()) { - dummyClasses.add(clazz); - } - - JarOutputStream jarOut = new JarOutputStream(out, manifest); - - for (int i = 0; i < dummyClasses.size(); i++) { - - Class<?> clazz = dummyClasses.get(i); - String className = clazz.getName(); - className = clazz.getName().replaceAll("\\.", "/") + ".class"; - ZipEntry ze = new ZipEntry(className); - jarOut.putNextEntry(ze); - InputStream stream = clazz.getResourceAsStream(clazz.getSimpleName() + ".class"); - - byte[] bytes = new byte[stream.available()]; - stream.read(bytes); - jarOut.write(bytes); - stream.close(); - } - - jarOut.close(); - out.close(); - - - ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray()); - - - Bundle bundle = bundleContext.installBundle( - "file://" + bundleName + ".jar", - in); - - if (dummyHost == null) - bundle.start(); - - return bundle; - - } - - - - public InstanceWrapper<?> createInstanceWrapper() throws ObjectCreationException { - - return new OSGiInstanceWrapper<Object>(this, osgiAnnotations, bundleContext); - } - - - - private void resolveWireCreateDummyBundles(final Class interfaceClass) throws Exception { - - - try { - - osgiBundle.loadClass(interfaceClass.getName()); - - } catch (ClassNotFoundException e) { - - // The interface used by the proxy is not in the source bundle - // A dummy bundle needs to be installed to create the proxy - // Allow privileged access to file system. Requires FileSystem permission in security - // policy. - Bundle dummyBundle = AccessController.doPrivileged(new PrivilegedExceptionAction<Bundle>() { - public Bundle run() throws Exception { - return installDummyBundle(interfaceClass); - } - }); - - if (packageAdmin != null) { - - packageAdmin.resolveBundles(new Bundle[]{dummyBundle, osgiBundle}); - - } - - } - } - - /** - * For OSGi->Java wires, create a proxy corresponding to the Java interfaces - * and register the proxy with the OSGi registry, so that the source OSGi bundle can - * locate the target Java instance from the registry like a regular OSGi service. - * - * For OSGi->OSGi wires, start the target OSGi bundle, so that references of the - * target are resolved before the source OSGi bundle is started. If the reference - * has properties specified, create a Proxy and register a service with highest - * possible ranking. The Proxy should wire to the correct OSGi instance specified - * in the SCA composite. - * - * The first phase determines whether a proxy should be installed. It also registers - * a dummy bundle if necessary to resolve the bundle. When phase1 is completed on all - * wires of the component, the bundle should be resolved. Phase2 registers the proxy service. - */ - private boolean resolveWireResolveReferences(Bundle bundle, Class interfaceClass, RuntimeWire wire, - boolean isOSGiToOSGiWire) throws Exception { - - - // FIXME: At the moment injection of values into instances require an instance to be obtained - // through the instance wrapper, and hence requires a proxy. When we do this processing here, - // we don't yet know whether the target requires any property or callback injection. So it is - // safer to create a proxy all the time. - boolean createProxy = true; - - ComponentReference scaRef = componentReferenceWires.get(wire); - Hashtable<String, Object> targetProperties = new Hashtable<String, Object>(); - processProperties(implementation.getReferenceProperties(scaRef.getName()), targetProperties); - - - if (isOSGiToOSGiWire) { - - OSGiImplementationProvider implProvider = (OSGiImplementationProvider)wire.getTarget().getComponent().getImplementationProvider(); - - // This is an OSGi->OSGi wire - isOSGiToOSGiWire = true; - - // If the target component is stateless, use a proxy to create a new service each time - if (!implProvider.getScope().equals(Scope.COMPOSITE)) createProxy = true; - - Interface interfaze = wire.getTarget().getInterfaceContract().getInterface(); - - // If the target interface is remotable, create a proxy to support pass-by-value semantics - // AllowsPassByReference is not detected until the target instance is obtained. - if (interfaze.isRemotable()) - createProxy = true; - - // If any of the operations in the target interface is non-blocking, create a proxy - List<Operation> ops = interfaze.getOperations(); - for (Operation op : ops) { - if (op.isNonBlocking()) - createProxy = true; - } - - // If properties are specified for the reference, create a proxy since rewiring may be required - if (targetProperties.size() > 0) { - createProxy = true; - } - - // If properties are specified for the component, create a proxy for configuring - // the component services. - if (componentProperties.size() > 0) { - createProxy = true; - } - - // Since this is an OSGi->OSGi wire, start the target bundle before starting the - // source bundle if there is no proxy. For direct wiring without a proxy, this ordering - // is irrelevant in terms of class resolution, but the target needs to be started at some - // point. But there is no opportunity later on to start the target OSGi bundle without a proxy. - // When a Proxy is used, the target bundle needs to be resolved for the source bundle - // to be resolved so that the interface is visible to the source. In this case the bundle - // will be started when an instance is needed. - if (!createProxy) { - implProvider.startBundle(false); - } - else { - implProvider.resolveBundle(); - } - } - else { - createProxy = true; - } - - return createProxy; - } - - - // Register proxy service - private void resolveWireRegisterProxyService(final Bundle bundle, final Class interfaceClass, RuntimeWire wire) throws Exception { - - ComponentReference scaRef = componentReferenceWires.get(wire); - Hashtable<String, Object> targetProperties = new Hashtable<String, Object>(); - processProperties(implementation.getReferenceProperties(scaRef.getName()), targetProperties); - targetProperties.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE); - - if (targetProperties.get(COMPONENT_SERVICE_NAME) == null && wire.getTarget().getComponent() != null) { - String compServiceName = wire.getTarget().getComponent().getName() + "/" + - wire.getTarget().getContract().getName(); - targetProperties.put(COMPONENT_SERVICE_NAME, compServiceName); - } - - - JDKProxyFactory proxyService = new JDKProxyFactory(messageFactory, mapper); - - // Allow privileged access to load classes. Requires getClassLoader permission in security - // policy. - final Class<?> proxyInterface = AccessController.doPrivileged(new PrivilegedExceptionAction<Class<?>>() { - public Class<?> run() throws Exception { - return bundle.loadClass(interfaceClass.getName()); - } - }); - - final Object proxy = proxyService.createProxy(proxyInterface, wire); - final Hashtable<String, Object> finalTargetProperties = targetProperties; - AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() { - public Object run() throws Exception { - bundleContext.registerService(proxyInterface.getName(), proxy, finalTargetProperties); - return null; - } - }); - - - } - - - private void refreshPackages() { - - if (packageAdmin != null) { - synchronized (this) { - packagesRefreshed = false; - packageAdmin.refreshPackages(null); - - if (!packagesRefreshed) { - try { - this.wait(2000); - } catch (InterruptedException e) { - // ignore - } - } - packagesRefreshed = false; - } - } - } - - - private void resolveBundle() throws ObjectCreationException { - - - try { - - if (!wiresResolved) { - wiresResolved = true; - - if (!setReferencesAndProperties()) { - wiresResolved = false; - return; - } - - int refPlusServices = referenceWires.size() + runtimeComponent.getServices().size(); - boolean[] createProxyService = new boolean[refPlusServices]; - Class<?>[] interfaceClasses = new Class<?>[refPlusServices] ; - boolean[] isOSGiToOSGiWire = new boolean[refPlusServices]; - boolean[] wireResolved = new boolean[refPlusServices]; - int index = 0; - for (RuntimeWire wire : referenceWires.keySet()) { - - Reference reference = referenceWires.get(wire); - - isOSGiToOSGiWire[index] = wire.getTarget().getComponent() != null && - wire.getTarget().getComponent().getImplementationProvider() - instanceof OSGiImplementationProvider; - - Interface refInterface = reference.getInterfaceContract().getInterface(); - if (refInterface instanceof JavaInterface) { - interfaceClasses[index] = ((JavaInterface)refInterface).getJavaClass(); - - if (!isOSGiToOSGiWire[index]) - resolveWireCreateDummyBundles(interfaceClasses[index]); - - } - - if (!resolvedWires.contains(wire)) { - resolvedWires.add(wire); - } - else - wireResolved[index] = true; - - index++; - } - for (ComponentService service : runtimeComponent.getServices()) { - Interface callbackInterface = service.getInterfaceContract().getCallbackInterface(); - if (callbackInterface instanceof JavaInterface) { - interfaceClasses[index] = ((JavaInterface)callbackInterface).getJavaClass(); - - resolveWireCreateDummyBundles(interfaceClasses[index]); - } - - index++; - } - - index = 0; - for (RuntimeWire wire : referenceWires.keySet()) { - - if (!wireResolved[index]) { - createProxyService[index] = resolveWireResolveReferences(osgiBundle, - interfaceClasses[index], - wire, - isOSGiToOSGiWire[index]); - } - index++; - } - - refreshPackages(); - - - index = 0; - for (RuntimeWire wire : referenceWires.keySet()) { - - if (createProxyService[index] && !wireResolved[index]) - resolveWireRegisterProxyService(osgiBundle, interfaceClasses[index], wire); - index++; - } - } - else if (osgiBundle.getState() == Bundle.INSTALLED && packageAdmin != null) { - packageAdmin.resolveBundles(new Bundle[] {osgiBundle}); - } - - } catch (Exception e) { - e.printStackTrace(); - throw new ObjectCreationException(e); - } - } - - - @SuppressWarnings("unchecked") - private void configurePropertiesUsingConfigAdmin() { - - try { - - if (componentProperties.size() == 0) - return; - - org.osgi.framework.ServiceReference configAdminReference = - bundleContext.getServiceReference("org.osgi.service.cm.ConfigurationAdmin"); - if (configAdminReference != null) { - - Object cm = bundleContext.getService(configAdminReference); - Class cmClass = cm.getClass().getClassLoader().loadClass("org.osgi.service.cm.ConfigurationAdmin"); - Method getConfigMethod = cmClass.getMethod("getConfiguration", String.class, String.class); - - - Class configClass = cm.getClass().getClassLoader().loadClass("org.osgi.service.cm.Configuration"); - - Method getMethod = configClass.getMethod("getProperties"); - Method updateMethod = configClass.getMethod("update", Dictionary.class); - - List<Service> services = implementation.getServices(); - HashSet<String> pidsProcessed = new HashSet<String>(); - - for (Service service : services) { - - List<ComponentProperty> serviceProps = implementation.getServiceProperties(service.getName()); - String pid = null; - - if (serviceProps != null) { - for (ComponentProperty prop : serviceProps) { - if (prop.getName().equals("service.pid")) { - ObjectFactory objFactory = propertyValueFactory.createValueFactory(prop, - prop.getValue(), String.class); - pid = (String)objFactory.getInstance(); - } - } - } - if (pid == null || pidsProcessed.contains(pid)) - continue; - - - - - Object config = getConfigMethod.invoke(cm, pid, null); - Dictionary props = (Dictionary) getMethod.invoke(config); - if (props == null) - props = new Hashtable<String, Object>(); - for (String propertyName : componentProperties.keySet()) { - - props.put(propertyName, componentProperties.get(propertyName)); - } - - updateMethod.invoke(config, props); - - - } - - } - - } catch (Exception e) { - e.printStackTrace(); - } - - } - - - - public boolean isOptimizable() { - return false; - } - - public Scope getScope() { - return osgiAnnotations.getScope(); - } - - public boolean isEagerInit() { - return osgiAnnotations.isEagerInit(); - } - - public long getMaxAge() { - return osgiAnnotations.getMaxAge(); - } - - public long getMaxIdleTime() { - return osgiAnnotations.getMaxIdleTime(); - } - - protected ScopeContainer<?> getScopeContainer() { - startBundle(true); - return ((ScopedRuntimeComponent)runtimeComponent).getScopeContainer(); - } - - public Invoker createTargetInvoker(RuntimeComponentService service, Operation operation) { - - - Interface serviceInterface = operation.getInterface(); - boolean isRemotable = serviceInterface.isRemotable(); - - - Invoker invoker = new OSGiTargetInvoker(operation, this, service); - if (isRemotable) { - return new OSGiRemotableInvoker(osgiAnnotations, dataBindingRegistry, operation, this, service); - } else { - return invoker; - } - - } - - - public Invoker createInvoker(RuntimeComponentService service, Operation operation) { - return createTargetInvoker(service, operation); - } - - public boolean supportsOneWayInvocation() { - return false; - } - - private boolean setReferencesAndProperties() { - - for (Reference ref: implementation.getReferences()) { - List<RuntimeWire> wireList = null; - ComponentReference compRef = null; - for (ComponentReference cRef : runtimeComponent.getReferences()) { - if (cRef.getName().equals(ref.getName())) { - - wireList = ((RuntimeComponentReference)cRef).getRuntimeWires(); - - compRef = cRef; - break; - } - } - - if (ref.getMultiplicity() == Multiplicity.ONE_N || ref.getMultiplicity() == Multiplicity.ZERO_N) { - for (RuntimeWire wire : wireList) { - referenceWires.put(wire, ref); - componentReferenceWires.put(wire, compRef); - } - - } else { - if (wireList == null && ref.getMultiplicity() == Multiplicity.ONE_ONE) { - throw new IllegalStateException("Required reference is missing: " + ref.getName()); - } - if (wireList != null && !wireList.isEmpty()) { - RuntimeWire wire = wireList.get(0); - referenceWires.put(wire, ref); - componentReferenceWires.put(wire, compRef); - } - - } - - } - - processProperties(runtimeComponent.getProperties(), componentProperties); - - return true; - - } - - public void start() { - setReferencesAndProperties(); - } - - public void processAnnotations(boolean doWait) throws IntrospectionException { - - if (!enterMethod(doWait, processAnnotationsEntryCount)) - return; - - try { - osgiAnnotations.processAnnotations(); - - Scope scope = osgiAnnotations.getScope(); - if (scope.equals(Scope.SYSTEM) || scope.equals(Scope.COMPOSITE)) { - // Nothing - } else { - - if (runtimeComponent instanceof ScopedRuntimeComponent) { - - ScopedRuntimeComponent component = (ScopedRuntimeComponent) runtimeComponent; - - ScopeContainer oldScopeContainer = component.getScopeContainer(); - component.setScopeContainer(null); - ScopeContainer scopeContainer = scopeRegistry.getScopeContainer(runtimeComponent); - - if (oldScopeContainer != null && oldScopeContainer.getLifecycleState() == ScopeContainer.RUNNING) { - scopeContainer.start(); - } - - component.setScopeContainer(scopeContainer); - } - - } - } finally { - exitMethod(processAnnotationsEntryCount); - } - } - - public void stop() { - - if (osgiServiceListener != null) - bundleContext.removeServiceListener(osgiServiceListener); - } - - - - public void frameworkEvent(FrameworkEvent event) { - if (event.getType() == FrameworkEvent.PACKAGES_REFRESHED) { - synchronized (this) { - packagesRefreshed = true; - this.notifyAll(); - } - } - - } - - public void bundleChanged(BundleEvent event) { - if (event.getType() == BundleEvent.RESOLVED && event.getBundle() == osgiBundle) { - try { - processAnnotations(false); - } catch (Throwable e) { - e.printStackTrace(); - } - } - } - - private class OSGiServiceListener implements ServiceListener { - - private Bundle bundle; - - OSGiServiceListener(Bundle bundle) { - this.bundle = bundle; - } - - public void serviceChanged(org.osgi.framework.ServiceEvent event) { - - - org.osgi.framework.ServiceReference reference = event.getServiceReference(); - - if (event.getType() == ServiceEvent.REGISTERED && reference.getBundle() == bundle) { - - synchronized (implementation) { - - implementation.notifyAll(); - } - } - - if (event.getType() == ServiceEvent.UNREGISTERING && reference.getBundle() == bundle) { - // TODO: Process deregistering of OSGi services. - } - } - } -} diff --git a/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProviderFactory.java b/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProviderFactory.java deleted file mode 100644 index 814d37f203..0000000000 --- a/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProviderFactory.java +++ /dev/null @@ -1,111 +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.sca.implementation.osgi.runtime; - - -import org.apache.tuscany.sca.context.ContextFactoryExtensionPoint; -import org.apache.tuscany.sca.context.RequestContextFactory; -import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -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.core.scope.ScopeRegistry; -import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; -import org.apache.tuscany.sca.databinding.TransformerExtensionPoint; -import org.apache.tuscany.sca.databinding.impl.MediatorImpl; -import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory; -import org.apache.tuscany.sca.implementation.osgi.OSGiImplementation; -import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper; -import org.apache.tuscany.sca.invocation.MessageFactory; -import org.apache.tuscany.sca.provider.ImplementationProvider; -import org.apache.tuscany.sca.provider.ImplementationProviderFactory; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.osgi.framework.BundleException; - - -/** - * Builds a OSGi-based implementation provider from a component definition - * - * @version $Rev$ $Date$ - */ -public class OSGiImplementationProviderFactory implements ImplementationProviderFactory<OSGiImplementation> { - - private DataBindingExtensionPoint dataBindings; - private JavaPropertyValueObjectFactory propertyFactory; - private ProxyFactory proxyFactory; - private ScopeRegistry scopeRegistry; - private MessageFactory messageFactory; - private InterfaceContractMapper mapper; - - private RequestContextFactory requestContextFactory; - - public OSGiImplementationProviderFactory(ExtensionPointRegistry extensionPoints ) { - - dataBindings = extensionPoints.getExtensionPoint(DataBindingExtensionPoint.class); - ProxyFactoryExtensionPoint proxyFactories = extensionPoints.getExtensionPoint(ProxyFactoryExtensionPoint.class); - proxyFactory = new ExtensibleProxyFactory(proxyFactories); - ContextFactoryExtensionPoint contextFactories = extensionPoints.getExtensionPoint(ContextFactoryExtensionPoint.class); - requestContextFactory = contextFactories.getFactory(RequestContextFactory.class); - - - // FIXME: Scope registry is not an extension point, and this usage is specific - // to implementation.osgi since it needs to change scope after the component is - // created. Do we need to find a better way? - scopeRegistry = extensionPoints.getExtensionPoint(ScopeRegistry.class); - - TransformerExtensionPoint transformers = extensionPoints.getExtensionPoint(TransformerExtensionPoint.class); - MediatorImpl mediator = new MediatorImpl(dataBindings, transformers); - propertyFactory = new JavaPropertyValueObjectFactory(mediator); - - ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class); - messageFactory = modelFactories.getFactory(MessageFactory.class); - - UtilityExtensionPoint utilities = extensionPoints.getExtensionPoint(UtilityExtensionPoint.class); - mapper = utilities.getUtility(InterfaceContractMapper.class); - } - - public ImplementationProvider createImplementationProvider(RuntimeComponent component, - OSGiImplementation implementation) { - - try { - - return new OSGiImplementationProvider(component, - implementation, - dataBindings, - propertyFactory, - proxyFactory, - scopeRegistry, - requestContextFactory, - messageFactory, - mapper - ); - - } catch (BundleException e) { - throw new RuntimeException(e); - } - - } - - public Class<OSGiImplementation> getModelType() { - return OSGiImplementation.class; - } - -} diff --git a/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiInstanceWrapper.java b/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiInstanceWrapper.java deleted file mode 100644 index e775041592..0000000000 --- a/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiInstanceWrapper.java +++ /dev/null @@ -1,299 +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.sca.implementation.osgi.runtime; - -import java.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.lang.annotation.Annotation; -import java.lang.reflect.Method; -import java.util.Hashtable; -import java.util.Iterator; -import java.util.List; -import java.util.Random; -import java.util.jar.JarOutputStream; -import java.util.jar.Manifest; - -import org.apache.tuscany.sca.assembly.ComponentService; -import org.apache.tuscany.sca.core.context.InstanceWrapper; -import org.apache.tuscany.sca.core.scope.Scope; -import org.apache.tuscany.sca.core.scope.TargetDestructionException; -import org.apache.tuscany.sca.core.scope.TargetInitializationException; -import org.apache.tuscany.sca.implementation.osgi.context.OSGiAnnotations; -import org.apache.tuscany.sca.interfacedef.Interface; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.osgi.framework.Bundle; -import org.osgi.framework.BundleContext; -import org.osgi.framework.BundleException; -import org.osgi.framework.ServiceReference; -import org.osoa.sca.annotations.Destroy; -import org.osoa.sca.annotations.Init; - - -/** - * InstanceWrapper for creating instances for OSGi components. - * This class needs to implement InstanceWrapper since the wrapper is stored in - * the scope container. But getInstance() is called on this wrapper only through the - * OSGi target invoker. OSGiTargetInvoker always invokes getInstance for a specific - * service since one OSGi SCA component can associate different objects with - * different services (this is different from Java SCA components which always associate - * a single component instance with multiple services). - * - * @version $Rev$ $Date$ - */ -public class OSGiInstanceWrapper<T> implements InstanceWrapper<T> { - private static final Random RANDOM_NUMBER_GENERATOR = new Random(); - - private OSGiAnnotations annotationProcessor; - private OSGiImplementationProvider provider; - private BundleContext bundleContext; - private Hashtable<Object,InstanceInfo<T>> instanceInfoList = - new Hashtable<Object,InstanceInfo<T>>(); - - // Dummy bundles are used to create a new service object for scopes other than COMPOSITE - private Bundle dummyReferenceBundle; - - - public OSGiInstanceWrapper(OSGiImplementationProvider provider, - OSGiAnnotations annotationProcessor, - BundleContext bundleContext) { - - this.provider = provider; - this.annotationProcessor = annotationProcessor; - this.bundleContext = bundleContext; - } - - public synchronized T getInstance(ComponentService service) throws TargetInitializationException { - - // If an instance corresponding to this service has already been created, return the instance. - if (instanceInfoList.get(service) != null) - return instanceInfoList.get(service).osgiInstance; - - // There is no strict relation between service and callback instances. The instance semantics - // actually applies to the component instance in SCA. But for OSGi services, the callback - // is just another OSGi service, and could correspond to any of the service instances in - // the component. To implement the SCA scope semantics for callbacks, OSGi callbacks - // should also be made on the service object which implements the callback. The following code - // finds the first possible callback instance based on the interfaces implemented by the service - // objects in this component. Note that the interfaces are checked by name rather than using - // instanceof since the class seen by Tuscany could be from a different classloader from that - // used by the bundle. - if (service.isCallback()) { - Iterator<InstanceInfo<T>> instances = instanceInfoList.values().iterator(); - while (instances.hasNext()) { - InstanceInfo<T> instanceInfo = instances.next(); - Interface interfaze = service.getInterfaceContract().getInterface(); - if (interfaze instanceof JavaInterface && ((JavaInterface)interfaze).getJavaClass() != null) { - String interfaceName = ((JavaInterface)interfaze).getJavaClass().getName(); - Class[] interfaces = instanceInfo.osgiInstance.getClass().getInterfaces(); - for (Class clazz : interfaces) { - if (clazz.getName().equals(interfaceName)) { - return instanceInfo.osgiInstance; - } - } - - } - - } - } - - Bundle refBundle = provider.startBundle(true); - - // For scopes other than composite, the service object is obtained using a dummy reference - // bundle to guarantee that a new instance is created each time. This combined with the Tuscany - // scope container code guarantee SCA scope semantics for OSGi components as long as service - // factories are used. - if (!annotationProcessor.getScope().equals(Scope.COMPOSITE)) { - refBundle = getDummyReferenceBundle(); - } - - InstanceInfo<T> instanceInfo = new InstanceInfo<T>(); - - instanceInfo.refBundleContext = refBundle.getBundleContext(); - - instanceInfo.osgiInstance = getInstanceObject(instanceInfo, service); - - try { - - if (!isInitialized(instanceInfo.osgiInstance)) { - - annotationProcessor.injectProperties(instanceInfo.osgiInstance); - callLifecycleMethod(instanceInfo.osgiInstance, Init.class); - - instanceInfo.isFirstInstance = true; - } - - instanceInfoList.put(service, instanceInfo); - - } catch (Exception e) { - throw new TargetInitializationException(e); - } - - return instanceInfo.osgiInstance; - } - - - - // This method is provided purely to implement InstanceWrapper interface, and is never called. - public T getInstance() { - - return null; - } - - public void start() throws TargetInitializationException { - - if (provider.isEagerInit()) { - List<ComponentService> services = provider.getRuntimeComponent().getServices(); - for (ComponentService service : services) { - getInstance(service); - } - } - } - - public synchronized void stop() throws TargetDestructionException { - - for (InstanceInfo<T> instanceInfo : instanceInfoList.values()) { - if (instanceInfo.osgiInstance != null && instanceInfo.osgiServiceReference != null) { - - try { - - if (instanceInfo.isFirstInstance) - callLifecycleMethod(instanceInfo.osgiInstance, Destroy.class); - - instanceInfo.refBundleContext.ungetService(instanceInfo.osgiServiceReference); - - instanceInfo.osgiInstance = null; - instanceInfo.osgiServiceReference = null; - - } catch (Exception e) { - throw new TargetDestructionException(e); - } - } - } - instanceInfoList.clear(); - if (dummyReferenceBundle != null) { - try { - dummyReferenceBundle.uninstall(); - } catch (BundleException e) { - throw new TargetDestructionException(e); - } - dummyReferenceBundle = null; - } - } - - @SuppressWarnings("unchecked") - private T getInstanceObject(InstanceInfo<T> instanceInfo, ComponentService service) { - - /** - * Since implementation.osgi is not well integrated with the OSGi lifecycle - * it is possible that the service is deactivated before the service instance - * is obtained when using declarative services. Retry in this case. - */ - int maxRetries = 10; - for (int i = 0; i < maxRetries; i++) { - instanceInfo.osgiServiceReference = provider.getOSGiServiceReference(service); - if (instanceInfo.osgiServiceReference == null) - return null; - T obj = (T)instanceInfo.refBundleContext.getService(instanceInfo.osgiServiceReference); - if (obj != null) - return obj; - } - return null; - } - - private Bundle getDummyReferenceBundle() throws TargetInitializationException { - - if (dummyReferenceBundle != null) - return dummyReferenceBundle; - - ByteArrayOutputStream out = new ByteArrayOutputStream(); - - String EOL = System.getProperty("line.separator"); - String bundleName = "dummy.sca." + RANDOM_NUMBER_GENERATOR.nextInt(); - - - String manifestStr = "Manifest-Version: 1.0" + EOL + - "Bundle-ManifestVersion: 2" + EOL + - "Bundle-Name: " + bundleName + EOL + - "Bundle-SymbolicName: " + bundleName + EOL + - "Bundle-Version: " + "1.0.0" + EOL + - "Bundle-Localization: plugin" + EOL; - - - StringBuilder manifestBuf = new StringBuilder(); - manifestBuf.append(manifestStr); - - try { - ByteArrayInputStream manifestStream = new ByteArrayInputStream(manifestBuf.toString().getBytes()); - Manifest manifest = new Manifest(); - manifest.read(manifestStream); - - - JarOutputStream jarOut = new JarOutputStream(out, manifest); - - jarOut.close(); - out.close(); - - - ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray()); - - dummyReferenceBundle = bundleContext.installBundle("file://" + bundleName + ".jar", in); - - dummyReferenceBundle.start(); - - } catch (Exception e) { - throw new TargetInitializationException(e); - } - - return dummyReferenceBundle; - - } - - private void callLifecycleMethod(Object instance, - Class<? extends Annotation> annotationClass) throws Exception { - - Method method = null; - if (annotationClass == Init.class) { - method = annotationProcessor.getInitMethod(instance); - } else if (annotationClass == Destroy.class) { - method = annotationProcessor.getDestroyMethod(instance); - } - - if (method != null) { - method.setAccessible(true); - method.invoke(instance); - } - } - - private boolean isInitialized(Object instance) { - for (InstanceInfo<?> info : instanceInfoList.values()) { - if (info.osgiInstance == instance) - return true; - } - return false; - } - - private static class InstanceInfo<T> { - private T osgiInstance; - private ServiceReference osgiServiceReference; - private BundleContext refBundleContext; - private boolean isFirstInstance; - - } - -} diff --git a/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiRemotableInvoker.java b/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiRemotableInvoker.java deleted file mode 100644 index deb44d26fb..0000000000 --- a/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiRemotableInvoker.java +++ /dev/null @@ -1,139 +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.sca.implementation.osgi.runtime; - -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; -import java.util.IdentityHashMap; -import java.util.Map; - -import org.apache.tuscany.sca.databinding.DataBinding; -import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; -import org.apache.tuscany.sca.implementation.osgi.context.OSGiAnnotations; -import org.apache.tuscany.sca.interfacedef.DataType; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.DataExchangeSemantics; -import org.apache.tuscany.sca.invocation.Message; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; - -/** - * An interceptor to enforce pass-by-value semantics for remotable interfaces - * - * @version $Rev$ $Date$ - */ -public class OSGiRemotableInvoker extends OSGiTargetInvoker implements DataExchangeSemantics { - - private DataBindingExtensionPoint registry; - private Operation operation; - private OSGiAnnotations osgiAnnotations; - - /** - * @param registry - * @param operation - * @param method - * @param component - */ - public OSGiRemotableInvoker(OSGiAnnotations osgiAnnotations, - DataBindingExtensionPoint registry, - Operation operation, - OSGiImplementationProvider provider, - RuntimeComponentService service) { - super(operation, provider, service); - this.osgiAnnotations = osgiAnnotations; - this.registry = registry; - this.operation = operation; - } - - @Override - public Object invokeMethod(Object targetObject, Method m, Message msg) throws InvocationTargetException { - - Object result; - if (osgiAnnotations.isAllowsPassByReference(targetObject, m)) { - result = super.invokeMethod(targetObject, m, msg); - } else { - Object obj = msg.getBody(); - msg.setBody(copy((Object[])obj)); - - result = super.invokeMethod(targetObject, m, msg); - - if (operation.getOutputType() != null) { - String dataBindingId = operation.getOutputType().getDataBinding(); - DataBinding dataBinding = registry.getDataBinding(dataBindingId); - result = copy(result, operation.getOutputType(), dataBinding); - } - } - return result; - } - - public Object[] copy(Object[] args) { - if (args == null) { - return null; - } - Object[] copiedArgs = new Object[args.length]; - Map<Object, Object> map = new IdentityHashMap<Object, Object>(); - for (int i = 0; i < args.length; i++) { - if (args[i] == null) { - copiedArgs[i] = null; - } else { - Object copiedArg = map.get(args[i]); - if (copiedArg != null) { - copiedArgs[i] = copiedArg; - } else { - DataType dt = operation.getInputType().getLogical().get(i); - String dataBindingId = dt.getDataBinding(); - DataBinding dataBinding = registry.getDataBinding(dataBindingId); - copiedArg = copy(args[i], dt, dataBinding); - map.put(args[i], copiedArg); - copiedArgs[i] = copiedArg; - } - } - } - return copiedArgs; - } - - public Object copy(Object arg, DataType dataType, DataBinding argDataBinding) { - if (arg == null) { - return null; - } - Object copiedArg; - if (argDataBinding != null) { - copiedArg = argDataBinding.copy(arg, dataType, operation); - } else { - copiedArg = arg; - dataType = registry.introspectType(arg, operation); - if (dataType != null) { - DataBinding binding = registry.getDataBinding(dataType.getDataBinding()); - if (binding != null) { - copiedArg = binding.copy(arg, dataType, operation); - } - } - // FIXME: What to do if it's not recognized? - } - return copiedArg; - } - - /** - * @see org.apache.tuscany.sca.invocation.PassByValueAware#allowsPassByReference() - */ - public boolean allowsPassByReference() { - return true; - } - -} diff --git a/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiTargetInvoker.java b/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiTargetInvoker.java deleted file mode 100644 index deb39a47cd..0000000000 --- a/sandbox/event/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiTargetInvoker.java +++ /dev/null @@ -1,199 +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.sca.implementation.osgi.runtime; - -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; - -import org.apache.tuscany.sca.core.context.InstanceWrapper; -import org.apache.tuscany.sca.core.invocation.TargetInvocationException; -import org.apache.tuscany.sca.core.scope.Scope; -import org.apache.tuscany.sca.core.scope.ScopeContainer; -import org.apache.tuscany.sca.core.scope.TargetResolutionException; -import org.apache.tuscany.sca.interfacedef.ConversationSequence; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceUtil; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.Message; -import org.apache.tuscany.sca.runtime.EndpointReference; -import org.apache.tuscany.sca.runtime.ReferenceParameters; -import org.apache.tuscany.sca.runtime.RuntimeComponentService; - -/** - * Java->OSGi references use OSGiTargetInvoker to call methods from OSGi bundles - * OSGi->Java references use JDKProxyService and invocation handler and do not use this class - * OSGi->OSGi references go through OSGi reference mechanisms when a proxy is not used - * When a proxy is used, this invoker is used to call methods from OSGi bundles - * A proxy is used for OSGi->OSGi if - * 1) target reference properties are specified OR - * 2) there are one or more non-blocking methods in the target interface OR - * 3) scope is not COMPOSITE - * - * @version $Rev$ $Date$ - */ -public class OSGiTargetInvoker<T> implements Invoker { - - private Operation operation; - protected InstanceWrapper<T> target; - - private final OSGiImplementationProvider provider; - private final RuntimeComponentService service; - - // Scope container is reset by the OSGi implementation provider if @Scope - // annotation is used to modify the scope (default is composite) - // Hence this field is initialized on the first invoke. - private ScopeContainer scopeContainer; - - public OSGiTargetInvoker( - Operation operation, - OSGiImplementationProvider provider, - RuntimeComponentService service) { - - - this.operation = operation; - this.service = service; - this.provider = provider; - - } - - /** - * Resolves the target service instance or returns a cached one - */ - @SuppressWarnings("unchecked") - protected InstanceWrapper getInstance(Object contextId) - throws TargetResolutionException, TargetInvocationException { - - if (scopeContainer == null) - scopeContainer = provider.getScopeContainer(); - - - return scopeContainer.getWrapper(contextId); - - } - - @SuppressWarnings("unchecked") - private Object invokeTarget(Message msg) throws InvocationTargetException { - - if (scopeContainer == null) - scopeContainer = provider.getScopeContainer(); - - - Operation op = msg.getOperation(); - if (op == null) { - op = this.operation; - } - ConversationSequence sequence = op.getConversationSequence(); - - Object contextId = null; - - EndpointReference from = msg.getFrom(); - ReferenceParameters parameters = null; - - if (from != null) { - parameters = from.getReferenceParameters(); - } - // check what sort of context is required - if (scopeContainer != null) { - Scope scope = scopeContainer.getScope(); - if (scope == Scope.REQUEST) { - contextId = Thread.currentThread(); - } else if (scope == Scope.CONVERSATION && parameters != null) { - contextId = parameters.getConversationID(); - } - } - - try { - - OSGiInstanceWrapper wrapper = (OSGiInstanceWrapper)getInstance(contextId); - Object instance; - - - // detects whether the scope container has created a conversation Id. This will - // happen in the case that the component has conversational scope but only the - // callback interface is conversational. Or in the callback case if the service interface - // is conversational and the callback interface isn't. If we are in this situation we need - // to get the contextId of this component and remove it after we have invoked the method on - // it. It is possible that the component instance will not go away when it is removed below - // because a callback conversation will still be holding a reference to it - boolean removeTemporaryConversationalComponentAfterCall = false; - if (parameters != null && (contextId == null) && (parameters.getConversationID() != null)) { - contextId = parameters.getConversationID(); - removeTemporaryConversationalComponentAfterCall = true; - } - - instance = wrapper.getInstance(service); - - Method m = JavaInterfaceUtil.findMethod(instance.getClass(), operation); - - Object ret = invokeMethod(instance, m, msg); - - scopeContainer.returnWrapper(wrapper, contextId); - - if ((sequence == ConversationSequence.CONVERSATION_END) || (removeTemporaryConversationalComponentAfterCall)) { - // if end conversation, or we have the special case where a conversational - // object was created to service the stateless half of a stateful component - scopeContainer.remove(contextId); - parameters.setConversationID(null); - } - - return ret; - } catch (InvocationTargetException e) { - throw e; - } catch (Exception e) { - throw new InvocationTargetException(e); - } - } - - protected Object invokeMethod(Object instance, Method m, Message msg) throws InvocationTargetException { - - try { - - Object payload = msg.getBody(); - - if (payload != null && !payload.getClass().isArray()) { - return m.invoke(instance, payload); - } else { - return m.invoke(instance, (Object[])payload); - } - - } catch (InvocationTargetException e) { - throw e; - } catch (Exception e) { - throw new InvocationTargetException(e); - } - } - - public Message invoke(Message msg) { - try { - // Object messageId = msg.getMessageID(); - // Message workContext = ThreadMessageContext.getMessageContext(); - // if (messageId != null) { - // workContext.setCorrelationID(messageId); - // } - Object resp = invokeTarget(msg); - msg.setBody(resp); - } catch (InvocationTargetException e) { - msg.setFaultBody(e.getCause()); - } - return msg; - } - - -} |