plugin-mdsal-adapter/src/main/java/org/opendaylight/ovsdb/plugin/md/Activator.java

   1 /*
   2  * Copyright (c) 2013, 2015 Red Hat, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.ovsdb.plugin.md;
  10
  11 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  12 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  13 import org.opendaylight.ovsdb.plugin.api.OvsdbConfigurationService;
  14 import org.opendaylight.ovsdb.plugin.api.OvsdbInventoryListener;
  15
  16 import org.apache.felix.dm.Component;
  17
  18 /**
  19  * OSGi Bundle Activator for the Neutron providers
  20  */
  21 public class Activator extends ComponentActivatorAbstractBase {
  22     /**
  23      * Function called when the activator starts just after some
  24      * initializations are done by the
  25      * ComponentActivatorAbstractBase.
  26      */
  27     @Override
  28     public void init() {
  29     }
  30
  31     /**
  32      * Function called when the activator stops just before the
  33      * cleanup done by ComponentActivatorAbstractBase.
  34      *
  35      */
  36     @Override
  37     public void destroy() {
  38     }
  39
  40     /**
  41      * Function that is used to communicate to dependency manager the
  42      * list of known implementations for services inside a container.
  43      *
  44      * @return An array containing all the CLASS objects that will be
  45      * instantiated in order to get an fully working implementation
  46      * Object
  47      */
  48     @Override
  49     public Object[] getImplementations() {
  50         Object[] res = {OvsdbBindingAwareProviderImpl.class,
  51                         OvsdbInventoryManager.class };
  52         return res;
  53     }
  54
  55     /**
  56      * Function that is called when configuration of the dependencies
  57      * is required.
  58      *
  59      * @param c dependency manager Component object, used for
  60      * configuring the dependencies exported and imported
  61      * @param imp Implementation class that is being configured,
  62      * needed as long as the same routine can configure multiple
  63      * implementations
  64      * @param containerName The containerName being configured, this allow
  65      * also optional per-container different behavior if needed, usually
  66      * should not be the case though.
  67      */
  68     @Override
  69     public void configureInstance(Component c, Object imp,
  70                                   String containerName) {
  71
  72         if (imp.equals(OvsdbBindingAwareProviderImpl.class)) {
  73             c.setInterface(OvsdbBindingAwareProvider.class.getName(), null);
  74             c.add(createServiceDependency()
  75                           .setService(BindingAwareBroker.class)
  76                           .setRequired(true));
  77         }
  78
  79         if (imp.equals(OvsdbInventoryManager.class)) {
  80             c.setInterface(OvsdbInventoryListener.class.getName(), null);
  81             c.add(createServiceDependency()
  82                           .setService(OvsdbBindingAwareProvider.class)
  83                           .setRequired(true));
  84             c.add(createServiceDependency()
  85                           .setService(OvsdbConfigurationService.class)
  86                           .setRequired(true));
  87         }
  88     }
  89 }