X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fcontainermanager%2Fimplementation%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcontainermanager%2Finternal%2FActivator.java;fp=opendaylight%2Fcontainermanager%2Fimplementation%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcontainermanager%2Finternal%2FActivator.java;h=9caa62072cc88c3b50cfa5a670dc53635d14b5d0;hb=29f7cfb54b580928c7feac63abce028a7014b0d5;hp=0000000000000000000000000000000000000000;hpb=42210c03b0a4c54706320ba9f55794c0abd4d201;p=controller.git diff --git a/opendaylight/containermanager/implementation/src/main/java/org/opendaylight/controller/containermanager/internal/Activator.java b/opendaylight/containermanager/implementation/src/main/java/org/opendaylight/controller/containermanager/internal/Activator.java new file mode 100644 index 0000000000..9caa62072c --- /dev/null +++ b/opendaylight/containermanager/implementation/src/main/java/org/opendaylight/controller/containermanager/internal/Activator.java @@ -0,0 +1,129 @@ + +/* + * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved. + * + * This program and the accompanying materials are made available under the + * terms of the Eclipse Public License v1.0 which accompanies this distribution, + * and is available at http://www.eclipse.org/legal/epl-v10.html + */ + +package org.opendaylight.controller.containermanager.internal; + +import org.opendaylight.controller.clustering.services.IClusterGlobalServices; +import org.opendaylight.controller.containermanager.IContainerManager; +import org.opendaylight.controller.sal.core.IContainerAware; +import org.opendaylight.controller.sal.core.IContainer; +import org.opendaylight.controller.sal.core.IContainerListener; +import org.apache.felix.dm.Component; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase; + +public class Activator extends ComponentActivatorAbstractBase { + protected static final Logger logger = LoggerFactory + .getLogger(Activator.class); + + /** + * Function called when the activator starts just after some + * initializations are done by the + * ComponentActivatorAbstractBase. + * + */ + public void init() { + } + + /** + * Function called when the activator stops just before the + * cleanup done by ComponentActivatorAbstractBase + * + */ + public void destroy() { + } + + /** + * Function that is used to communicate to dependency manager the + * list of known implementations for services inside a container + * + * + * @return An array containing all the CLASS objects that will be + * instantiated in order to get an fully working implementation + * Object + */ + public Object[] getImplementations() { + Object[] res = { ContainerImpl.class }; + return res; + } + + /** + * Function that is called when configuration of the dependencies + * is required. + * + * @param c dependency manager Component object, used for + * configuring the dependencies exported and imported + * @param imp Implementation class that is being configured, + * needed as long as the same routine can configure multiple + * implementations + * @param containerName The containerName being configured, this allow + * also optional per-container different behavior if needed, usually + * should not be the case though. + */ + public void configureInstance(Component c, Object imp, String containerName) { + if (imp.equals(ContainerImpl.class)) { + // export the service + c.setInterface(new String[] { IContainer.class.getName() }, null); + } + } + + /** + * Method which tells how many Global implementations are + * supported by the bundle. This way we can tune the number of + * components created. This components will be created ONLY at the + * time of bundle startup and will be destroyed only at time of + * bundle destruction, this is the major difference with the + * implementation retrieved via getImplementations where all of + * them are assumed to be in a container! + * + * + * @return The list of implementations the bundle will support, + * in Global version + */ + protected Object[] getGlobalImplementations() { + Object[] res = { ContainerManager.class }; + return res; + } + + /** + * Configure the dependency for a given instance Global + * + * @param c Component assigned for this instance, this will be + * what will be used for configuration + * @param imp implementation to be configured + * @param containerName container on which the configuration happens + */ + protected void configureGlobalInstance(Component c, Object imp) { + if (imp.equals(ContainerManager.class)) { + + // export the service + c.setInterface(new String[] { IContainerManager.class.getName() }, + null); + + c.add(createServiceDependency().setService( + IClusterGlobalServices.class).setCallbacks( + "setClusterServices", "unsetClusterServices").setRequired( + true)); + + // Key kick-starter for container creation in each component + c.add(createServiceDependency().setService(IContainerAware.class) + .setCallbacks("setIContainerAware", "unsetIContainerAware") + .setRequired(false)); + + // Optional interface expected to be exported by the + // protocol plugins to setup proper filtering based on + // slicing events + c.add(createServiceDependency() + .setService(IContainerListener.class).setCallbacks( + "setIContainerListener", "unsetIContainerListener") + .setRequired(false)); + } + } +}