diff options
Diffstat (limited to 'java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core')
10 files changed, 0 insertions, 1078 deletions
diff --git a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java b/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java deleted file mode 100644 index 3ffe893553..0000000000 --- a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java +++ /dev/null @@ -1,191 +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.core; - -import static org.apache.tuscany.sca.extensibility.ServiceHelper.newInstance; - -import java.lang.reflect.Modifier; -import java.util.HashMap; -import java.util.HashSet; -import java.util.IdentityHashMap; -import java.util.Map; -import java.util.Set; - -import org.apache.tuscany.sca.extensibility.ServiceDeclaration; -import org.apache.tuscany.sca.extensibility.ServiceDiscovery; -import org.apache.tuscany.sca.extensibility.ServiceHelper; - -/** - * Default implementation of a registry to hold all the Tuscany core extension - * points. As the point of contact for all extension artifacts this registry - * allows loaded extensions to find all other parts of the system and register - * themselves appropriately. - * - * @version $Rev$ $Date$ - */ -public class DefaultExtensionPointRegistry implements ExtensionPointRegistry { - protected Map<Class<?>, Object> extensionPoints = new HashMap<Class<?>, Object>(); - private ServiceDiscovery discovery; - /** - * Constructs a new registry. - */ - public DefaultExtensionPointRegistry() { - this.discovery = ServiceDiscovery.getInstance(); - } - - protected DefaultExtensionPointRegistry(ServiceDiscovery discovery) { - this.discovery = discovery; - } - - /** - * Add an extension point to the registry. This default implementation - * stores extensions against the interfaces that they implement. - * - * @param extensionPoint The instance of the extension point - * - * @throws IllegalArgumentException if extensionPoint is null - */ - public synchronized void addExtensionPoint(Object extensionPoint) { - addExtensionPoint(extensionPoint, null); - } - - public synchronized void addExtensionPoint(Object extensionPoint, ServiceDeclaration declaration) { - if (extensionPoint == null) { - throw new IllegalArgumentException("Cannot register null as an ExtensionPoint"); - } - ServiceHelper.start(extensionPoint); - - Set<Class<?>> interfaces = getAllInterfaces(extensionPoint.getClass()); - for (Class<?> i : interfaces) { - registerExtensionPoint(i, extensionPoint, declaration); - } - } - - protected void registerExtensionPoint(Class<?> i, Object extensionPoint, ServiceDeclaration declaration) { - extensionPoints.put(i, extensionPoint); - } - - /** - * Get the extension point by the interface that it implements - * - * @param extensionPointType The lookup key (extension point interface) - * @return The instance of the extension point - * - * @throws IllegalArgumentException if extensionPointType is null - */ - public synchronized <T> T getExtensionPoint(Class<T> extensionPointType) { - if (extensionPointType == null) { - throw new IllegalArgumentException("Cannot lookup ExtensionPoint of type null"); - } - - Object extensionPoint = findExtensionPoint(extensionPointType); - if (extensionPoint == null) { - - // Dynamically load an extension point class declared under META-INF/services - try { - ServiceDeclaration extensionPointDeclaration = - getServiceDiscovery().getServiceDeclaration(extensionPointType); - if (extensionPointDeclaration != null) { - extensionPoint = newInstance(this, extensionPointDeclaration); - // Cache the loaded extension point - addExtensionPoint(extensionPoint, extensionPointDeclaration); - } - } catch (Throwable e) { - throw new IllegalArgumentException(e); - } - } - return extensionPointType.cast(extensionPoint); - } - - protected <T> Object findExtensionPoint(Class<T> extensionPointType) { - return extensionPoints.get(extensionPointType); - } - - /** - * Remove an extension point based on the interface that it implements - * - * @param extensionPoint The extension point to remove - * - * @throws IllegalArgumentException if extensionPoint is null - */ - public synchronized void removeExtensionPoint(Object extensionPoint) { - if (extensionPoint == null) { - throw new IllegalArgumentException("Cannot remove null as an ExtensionPoint"); - } - - ServiceHelper.stop(extensionPoint); - - Set<Class<?>> interfaces = getAllInterfaces(extensionPoint.getClass()); - for (Class<?> i : interfaces) { - unregisterExtensionPoint(i); - } - } - - protected void unregisterExtensionPoint(Class<?> i) { - extensionPoints.remove(i); - } - - /** - * Returns the set of interfaces implemented by the given class and its - * ancestors or a blank set if none - */ - private static Set<Class<?>> getAllInterfaces(Class<?> clazz) { - Set<Class<?>> implemented = new HashSet<Class<?>>(); - getAllInterfaces(clazz, implemented); - implemented.remove(LifeCycleListener.class); - return implemented; - } - - private static void getAllInterfaces(Class<?> clazz, Set<Class<?>> implemented) { - Class<?>[] interfaces = clazz.getInterfaces(); - for (Class<?> interfaze : interfaces) { - if (Modifier.isPublic(interfaze.getModifiers())) { - implemented.add(interfaze); - } - } - Class<?> superClass = clazz.getSuperclass(); - // Object has no superclass so check for null - if (superClass != null && !superClass.equals(Object.class)) { - getAllInterfaces(superClass, implemented); - } - } - - public synchronized void start() { - // Do nothing - } - - public synchronized void stop() { - // Get a unique map as an extension point may exist in the map by different keys - Map<LifeCycleListener, LifeCycleListener> map = new IdentityHashMap<LifeCycleListener, LifeCycleListener>(); - for (Object extp : extensionPoints.values()) { - if (extp instanceof LifeCycleListener) { - LifeCycleListener listener = (LifeCycleListener)extp; - map.put(listener, listener); - } - } - ServiceHelper.stop(map.values()); - extensionPoints.clear(); - } - - public ServiceDiscovery getServiceDiscovery() { - return discovery; - } - -} diff --git a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultFactoryExtensionPoint.java b/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultFactoryExtensionPoint.java deleted file mode 100644 index 2ccb192fdb..0000000000 --- a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultFactoryExtensionPoint.java +++ /dev/null @@ -1,162 +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.core; - -import static org.apache.tuscany.sca.extensibility.ServiceHelper.newInstance; - -import java.lang.reflect.Method; -import java.lang.reflect.Modifier; -import java.security.AccessController; -import java.security.PrivilegedAction; -import java.util.HashMap; -import java.util.Map; - -import org.apache.tuscany.sca.extensibility.ServiceDeclaration; - - - -/** - * Default implementation of a model factory extension point. - * - * @version $Rev$ $Date$ - */ -public class DefaultFactoryExtensionPoint implements FactoryExtensionPoint { - private ExtensionPointRegistry registry; - private Map<Class<?>, Object> factories = new HashMap<Class<?>, Object>(); - - /** - * Constructs a new DefaultModelFactoryExtensionPoint. - */ - public DefaultFactoryExtensionPoint(ExtensionPointRegistry extensionPointRegistry) { - this.registry = extensionPointRegistry; - } - - /** - * Add a model factory extension. - * - * @param factory The factory to add - */ - public synchronized void addFactory(Object factory) { - Class<?>[] interfaces = factory.getClass().getInterfaces(); - if (interfaces.length == 0) { - Class<?> sc = factory.getClass().getSuperclass(); - if (sc != Object.class) { - factories.put(sc, factory); - } - } else { - for (int i = 0; i<interfaces.length; i++) { - factories.put(interfaces[i], factory); - } - } - } - - /** - * Remove a model factory. - * - * @param factory The factory to remove - */ - public synchronized void removeFactory(Object factory) { - Class<?>[] interfaces = factory.getClass().getInterfaces(); - if (interfaces.length == 0) { - Class<?> sc = factory.getClass().getSuperclass(); - if (sc != Object.class) { - factories.remove(sc); - } - } else { - for (int i = 0; i<interfaces.length; i++) { - factories.remove(interfaces[i]); - } - } - } - - private ClassLoader setContextClassLoader(final ClassLoader classLoader) { - return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>() { - public ClassLoader run() { - ClassLoader tccl = Thread.currentThread().getContextClassLoader(); - if (classLoader != null) { - Thread.currentThread().setContextClassLoader(classLoader); - } - return tccl; - } - }); - } - - /** - * Get a factory implementing the given interface. - * @param factoryInterface The lookup key (factory interface) - * @return The factory - */ - public synchronized <T> T getFactory(Class<T> factoryInterface) { - Object factory = factories.get(factoryInterface); - if (factory == null) { - - // Dynamically load a factory class declared under META-INF/services - try { - ServiceDeclaration factoryDeclaration = - registry.getServiceDiscovery().getServiceDeclaration(factoryInterface); - if (factoryDeclaration != null) { - try { - // Constructor taking the extension point registry - factory = newInstance(registry, factoryDeclaration); - } catch (NoSuchMethodException e) { - factory = newInstance(factoryDeclaration.loadClass(), FactoryExtensionPoint.class, this); - } - - // Cache the loaded factory - factories.put(factoryInterface, factory); - - return factoryInterface.cast(factory); - - } else { - - // If the input interface is an abstract class - if (!factoryInterface.isInterface() && Modifier.isAbstract(factoryInterface.getModifiers())) { - Method newInstanceMethod = factoryInterface.getDeclaredMethod("newInstance"); - ClassLoader tccl = setContextClassLoader(factoryInterface.getClassLoader()); - try { - - // Create a new instance - factory = newInstanceMethod.invoke(null); - - // Cache the factory - factories.put(factoryInterface, factory); - - return factoryInterface.cast(factory); - } catch (Exception e) { - // Sorry no factory found - return null; - } finally { - setContextClassLoader(tccl); - } - } else { - - // Sorry no factory found - return null; - } - } - } catch (Exception e) { - throw new IllegalArgumentException(e); - } - } else { - return factoryInterface.cast(factory); - } - } - -} diff --git a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultModuleActivatorExtensionPoint.java b/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultModuleActivatorExtensionPoint.java deleted file mode 100644 index fc958afad5..0000000000 --- a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultModuleActivatorExtensionPoint.java +++ /dev/null @@ -1,155 +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.core; - -import static org.apache.tuscany.sca.extensibility.ServiceHelper.newInstance; - -import java.io.IOException; -import java.util.ArrayList; -import java.util.Collection; -import java.util.List; -import java.util.Map; -import java.util.logging.Level; -import java.util.logging.Logger; - -import org.apache.tuscany.sca.extensibility.ServiceDeclaration; -import org.apache.tuscany.sca.extensibility.ServiceDiscovery; - -/** - * Default implementation of an extension point to hold Tuscany module activators. - * - * @version $Rev$ $Date$ - */ -public class DefaultModuleActivatorExtensionPoint implements ModuleActivatorExtensionPoint { - private final static Logger logger = Logger.getLogger(DefaultModuleActivatorExtensionPoint.class.getName()); - private List<ModuleActivator> activators = new ArrayList<ModuleActivator>(); - private boolean loadedActivators; - private boolean started; - private ExtensionPointRegistry registry; - - /** - * Constructs a new extension point. - */ - public DefaultModuleActivatorExtensionPoint(ExtensionPointRegistry registry) { - this.registry = registry; - } - - public void addModuleActivator(ModuleActivator activator) { - activators.add(activator); - } - - public List<ModuleActivator> getModuleActivators() { - loadModuleActivators(); - return activators; - } - - public void removeModuleActivator(ModuleActivator activator) { - if (activators.remove(activator)) { - activator.stop(); - } - } - - /** - * Dynamically load module activators declared under META-INF/services - */ - private synchronized void loadModuleActivators() { - if (loadedActivators) - return; - - // Get the activator service declarations - Collection<ServiceDeclaration> activatorDeclarations; - try { - // Load the module activators by ranking - activatorDeclarations = registry.getServiceDiscovery().getServiceDeclarations(ModuleActivator.class.getName(), true); - } catch (IOException e) { - throw new IllegalStateException(e); - } - - // Load and instantiate module activators - for (ServiceDeclaration activatorDeclaration : activatorDeclarations) { - if (logger.isLoggable(Level.FINE)) { - logger.fine("Loading " + activatorDeclaration.getClassName()); - } - ModuleActivator activator = null; - try { - Class<ModuleActivator> activatorClass = (Class<ModuleActivator>)activatorDeclaration.loadClass(); - try { - activator = newInstance(activatorClass, ExtensionPointRegistry.class, registry); - } catch (NoSuchMethodException e) { - try { - activator = - newInstance(activatorClass, - new Class<?>[] {ExtensionPointRegistry.class, Map.class}, - registry, - activatorDeclaration.getAttributes()); - - } catch (NoSuchMethodException e1) { - activator = newInstance(activatorClass); - - } - } - } catch (Throwable e) { - String optional = activatorDeclaration.getAttributes().get("optional"); - if ("true".equalsIgnoreCase(optional)) { - // If the optional flag is true, just log the error - logger.log(Level.SEVERE, e.getMessage(), e); - continue; - } else { - throw new IllegalArgumentException(e); - } - } - addModuleActivator(activator); - } - - loadedActivators = true; - } - - public void start() { - if (started) { - return; - } - getModuleActivators(); - for (ModuleActivator activator : activators) { - try { - activator.start(); - } catch (Throwable e) { - // Ignore the failing module for now - logger.log(Level.SEVERE, e.getMessage(), e); - } - } - started = true; - } - - public void stop() { - if (!started) { - return; - } - for (int i = activators.size() - 1; i >= 0; i--) { - try { - activators.get(i).stop(); - } catch (Throwable e) { - // Ignore the failing module for now - logger.log(Level.SEVERE, e.getMessage(), e); - } - } - started = false; - } - -} diff --git a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultUtilityExtensionPoint.java b/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultUtilityExtensionPoint.java deleted file mode 100644 index 41e2377db5..0000000000 --- a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultUtilityExtensionPoint.java +++ /dev/null @@ -1,219 +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.core; - -import static org.apache.tuscany.sca.extensibility.ServiceHelper.newInstance; - -import java.lang.reflect.Modifier; -import java.util.HashSet; -import java.util.IdentityHashMap; -import java.util.Iterator; -import java.util.Map; -import java.util.Set; -import java.util.concurrent.ConcurrentHashMap; - -import org.apache.tuscany.sca.extensibility.ServiceDeclaration; - -/** - * Default implementation of an extension point to hold Tuscany utility utilities. - * - * @version $Rev$ $Date$ - */ -public class DefaultUtilityExtensionPoint implements UtilityExtensionPoint { - private Map<Object, Object> utilities = new ConcurrentHashMap<Object, Object>(); - - private ExtensionPointRegistry registry; - /** - * Constructs a new extension point. - */ - public DefaultUtilityExtensionPoint(ExtensionPointRegistry extensionPoints) { - this.registry = extensionPoints; - } - - /** - * Add a utility to the extension point. This default implementation - * stores utilities against the interfaces that they implement. - * - * @param utility The instance of the utility - * - * @throws IllegalArgumentException if utility is null - */ - public synchronized void addUtility(Object utility) { - addUtility(null, utility); - } - - public synchronized void addUtility(Object key, Object utility) { - if (utility == null) { - throw new IllegalArgumentException("Cannot register null as a Service"); - } - - if (utility instanceof LifeCycleListener) { - ((LifeCycleListener)utility).start(); - } - - if (key == null) { - Class<?> cls = utility.getClass(); - Set<Class<?>> interfaces = getAllInterfaces(cls); - for (Class<?> i : interfaces) { - utilities.put(i, utility); - } - if (interfaces.isEmpty() || isConcreteClass(cls)) { - utilities.put(cls, utility); - } - } else { - utilities.put(key, utility); - } - } - - /** - * Get the utility by the interface that it implements - * - * @param utilityType The lookup key (utility interface) - * @return The instance of the utility - * - * @throws IllegalArgumentException if utilityType is null - */ - public synchronized <T> T getUtility(Class<T> utilityType) { - return getUtility(utilityType, null); - } - - /** - * Remove a utility based on the interface that it implements - * - * @param utility The utility to remove - * - * @throws IllegalArgumentException if utility is null - */ - public synchronized void removeUtility(Object utility) { - if (utility == null) { - throw new IllegalArgumentException("Cannot remove null as a Service"); - } - - if(utility instanceof LifeCycleListener) { - ((LifeCycleListener) utility).stop(); - } - - for (Iterator<Map.Entry<Object, Object>> i = utilities.entrySet().iterator(); i.hasNext();) { - Map.Entry<Object, Object> entry = i.next(); - if (entry.getValue() == utility) { - i.remove(); - } - } - } - - /** - * Returns the set of interfaces implemented by the given class and its - * ancestors or a blank set if none - */ - private static Set<Class<?>> getAllInterfaces(Class<?> clazz) { - Set<Class<?>> implemented = new HashSet<Class<?>>(); - getAllInterfaces(clazz, implemented); - implemented.remove(LifeCycleListener.class); - return implemented; - } - - private static void getAllInterfaces(Class<?> clazz, Set<Class<?>> implemented) { - Class<?>[] interfaces = clazz.getInterfaces(); - for (Class<?> interfaze : interfaces) { - if (Modifier.isPublic(interfaze.getModifiers())) { - implemented.add(interfaze); - } - } - Class<?> superClass = clazz.getSuperclass(); - // Object has no superclass so check for null - if (superClass != null && !superClass.equals(Object.class)) { - getAllInterfaces(superClass, implemented); - } - } - - public synchronized <T> T getUtility(Class<T> utilityType, Object key) { - if (utilityType == null) { - throw new IllegalArgumentException("Cannot lookup Service of type null"); - } - - if (key == null) { - key = utilityType; - } - - Object utility = utilities.get(key); - - if (utility == null) { - - // Dynamically load a utility class declared under META-INF/services/"utilityType" - try { - ServiceDeclaration utilityDeclaration = - registry.getServiceDiscovery().getServiceDeclaration(utilityType.getName()); - Class<?> utilityClass = null; - if (utilityDeclaration != null) { - utilityClass = utilityDeclaration.loadClass(); - } else if (isConcreteClass(utilityType)) { - utilityClass = utilityType; - key = utilityType; - } - if (utilityClass != null) { - // Construct the utility - if (utilityDeclaration != null) { - utility = newInstance(registry, utilityDeclaration); - } else { - try { - utility = newInstance(utilityClass, ExtensionPointRegistry.class, registry); - } catch (NoSuchMethodException e) { - utility = newInstance(utilityClass); - } - } - // Cache the loaded utility - if (key == utilityType) { - addUtility(utility); - } else { - addUtility(key, utility); - } - } - } catch (Throwable e) { - throw new IllegalArgumentException(e); - } - } - return utilityType.cast(utility); - } - - private boolean isConcreteClass(Class<?> utilityType) { - int modifiers = utilityType.getModifiers(); - return !utilityType.isInterface() && Modifier.isPublic(modifiers) && !Modifier.isAbstract(modifiers); - } - - public synchronized void start() { - // NOOP - } - - public synchronized void stop() { - // Get a unique map as an extension point may exist in the map by different keys - Map<LifeCycleListener, LifeCycleListener> map = new IdentityHashMap<LifeCycleListener, LifeCycleListener>(); - for (Object util : utilities.values()) { - if (util instanceof LifeCycleListener) { - LifeCycleListener listener = (LifeCycleListener)util; - map.put(listener, listener); - } - } - for (LifeCycleListener listener : map.values()) { - listener.stop(); - } - utilities.clear(); - } - -} diff --git a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistry.java b/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistry.java deleted file mode 100644 index 762fcad7aa..0000000000 --- a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistry.java +++ /dev/null @@ -1,64 +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.core; - -import org.apache.tuscany.sca.extensibility.ServiceDiscovery; - - -/** - * The registry for the Tuscany core extension points. As the point of contact - * for all extension artifacts this registry allows loaded extensions to find - * all other parts of the system and register themselves appropriately. - * - * @version $Rev$ $Date$ - */ -public interface ExtensionPointRegistry extends LifeCycleListener { - - /** - * Add an extension point to the registry - * @param extensionPoint The instance of the extension point - * - * @throws IllegalArgumentException if extensionPoint is null - */ - void addExtensionPoint(Object extensionPoint); - - /** - * Get the extension point by the interface - * @param extensionPointType The lookup key (extension point interface) - * @return The instance of the extension point - * - * @throws IllegalArgumentException if extensionPointType is null - */ - <T> T getExtensionPoint(Class<T> extensionPointType); - - /** - * Remove an extension point - * @param extensionPoint The extension point to remove - * - * @throws IllegalArgumentException if extensionPoint is null - */ - void removeExtensionPoint(Object extensionPoint); - - /** - * Get an instance of the ServiceDiscovery - * @return an instance of the ServiceDiscovery associated with the environment - */ - ServiceDiscovery getServiceDiscovery(); -} diff --git a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/FactoryExtensionPoint.java b/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/FactoryExtensionPoint.java deleted file mode 100644 index 4d38cb8afe..0000000000 --- a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/FactoryExtensionPoint.java +++ /dev/null @@ -1,54 +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.core; - -/** - * An extension point for model factories. Model factories are provided to - * abstract the classes that represent artifacts in the assembly model away - * from their creation mechanism. When the runtime needs to extend the model - * as it reads in contributed artifacts it looks up the factory for the - * artifact required in this registry - * - * @version $Rev$ $Date$ - */ -public interface FactoryExtensionPoint { - - /** - * Add a model factory extension. - * - * @param factory The factory to add - */ - void addFactory(Object factory); - - /** - * Remove a model factory extension. - * - * @param factory The factory to remove - */ - void removeFactory(Object factory); - - /** - * Get a factory implementing the given interface. - * @param factoryInterface the lookup key (factory interface) - * @return The factory - */ - <T> T getFactory(Class<T> factoryInterface); - -} diff --git a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/LifeCycleListener.java b/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/LifeCycleListener.java deleted file mode 100644 index 7a461a5773..0000000000 --- a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/LifeCycleListener.java +++ /dev/null @@ -1,36 +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.core; - -/** - * A listener that responds to the start/stop event of the ExtensionPointRegistry. Tuscany extension - * points or extensions can implement this interface to receive callbacks when the registry is started - * or stopped - */ -public interface LifeCycleListener { - /** - * The method will be invoked when the extension point registry is started - */ - void start(); - /** - * The method will be invoked when the extension point registry is stopped - */ - void stop(); -} diff --git a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivator.java b/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivator.java deleted file mode 100644 index f05c11f9b6..0000000000 --- a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivator.java +++ /dev/null @@ -1,71 +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.core; - - -/** - * ModuleActivator represents a module that plugs into the Tuscany system. Each - * module should provide an implementation of this interface and register the - * ModuleActivator implementation class by defining a file named - * - * "META-INF/services/org.apache.tuscany.core.ModuleActivator" - * - * The content of the file is the class name of the ModuleActivator implementation. - * The implementation class can have different flavors of constructors. The following - * order will be searched: - * <ul> - * <li>(ExtensionRegistry.class) - * <li>(ExtensionRegistry.class, Map.class) - * <li>() - * </ul> - * - * - * - * - * The same instance - * will be used to invoke all the methods during different phases of the module - * activation. Note that the start and stop methods defined by this interface - * take a reference to the Tuscany SCA runtime ExtensionPointRegistry. This - * gives the ModuleActivator the opportunity to add extension points to the - * registry as it is requested to start up and remove them when it is requested - * to shut down. - * - * @version $Rev$ $Date$ - */ -public interface ModuleActivator extends LifeCycleListener { - - /** - * This method is invoked when the module is started by the Tuscany runtime. - * It can be used by this module to register extensions against extension - * points. - * - * @param registry The extension point registry - */ - void start(); - - /** - * This method is invoked when the module is stopped by the Tuscany runtime. - * It can be used by this module to unregister extensions against the - * extension points. - * - * @param registry The extension point registry - */ - void stop(); -} diff --git a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivatorExtensionPoint.java b/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivatorExtensionPoint.java deleted file mode 100644 index 7070d33f2c..0000000000 --- a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ModuleActivatorExtensionPoint.java +++ /dev/null @@ -1,53 +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.core; - -import java.util.List; - - -/** - * The extension point for the Tuscany module activator extensions. - * - * @version $Rev$ $Date$ - */ -public interface ModuleActivatorExtensionPoint extends LifeCycleListener { - - /** - * Add a module activator extension to the extension point - * @param activator The instance of the module activator - * - * @throws IllegalArgumentException if activator is null - */ - void addModuleActivator(ModuleActivator activator); - - /** - * Returns the module activator extensions. - * @return The module activator extensions - */ - List<ModuleActivator> getModuleActivators(); - - /** - * Remove a module activator - * @param activator The module activator to remove - * - * @throws IllegalArgumentException if activator is null - */ - void removeModuleActivator(ModuleActivator activator); -} diff --git a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/UtilityExtensionPoint.java b/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/UtilityExtensionPoint.java deleted file mode 100644 index bfeeac5696..0000000000 --- a/java/sca/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/UtilityExtensionPoint.java +++ /dev/null @@ -1,73 +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.core; - - -/** - * The extension point for the Tuscany core utility extensions. - * - * @version $Rev$ $Date$ - */ -public interface UtilityExtensionPoint extends LifeCycleListener { - - /** - * Add a utility to the extension point - * @param utility The instance of the utility - * - * @throws IllegalArgumentException if utility is null - */ - void addUtility(Object utility); - - /** - * Add a utility to the extension point for a given key - * @param utility The instance of the utility - * - * @throws IllegalArgumentException if utility is null - */ - void addUtility(Object key, Object utility); - - /** - * Get the utility by the interface - * @param utilityType The lookup key (utility interface) - * @return The instance of the utility - * - * @throws IllegalArgumentException if utilityType is null - */ - <T> T getUtility(Class<T> utilityType); - - /** - * Get an instance of the utility by the interface and key - * @param utilityType The lookup key (utility interface) - * @param key A key associated with the utility, if it is null, - * then the utilityType is used as the key - * @return The instance of the utility - * - * @throws IllegalArgumentException if utilityType is null - */ - <T> T getUtility(Class<T> utilityType, Object key); - - /** - * Remove a utility - * @param utility The utility to remove - * - * @throws IllegalArgumentException if utility is null - */ - void removeUtility(Object utility); -} |