opendaylight/adsal/usermanager/implementation/src/main/java/org/opendaylight/controller/usermanager/internal/Activator.java

   1
   2 /*
   3  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   4  *
   5  * This program and the accompanying materials are made available under the
   6  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  * and is available at http://www.eclipse.org/legal/epl-v10.html
   8  */
   9
  10 package org.opendaylight.controller.usermanager.internal;
  11
  12 import org.apache.felix.dm.Component;
  13 import org.opendaylight.controller.clustering.services.IClusterGlobalServices;
  14 import org.opendaylight.controller.configuration.IConfigurationAware;
  15 import org.opendaylight.controller.configuration.IConfigurationService;
  16 import org.opendaylight.controller.containermanager.IContainerAuthorization;
  17 import org.opendaylight.controller.sal.authorization.IResourceAuthorization;
  18 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  19 import org.opendaylight.controller.usermanager.IAAAProvider;
  20 import org.opendaylight.controller.usermanager.IUserManager;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 /**
  25  * UserManager Bundle Activator
  26  *
  27  *
  28  */
  29 public class Activator extends ComponentActivatorAbstractBase {
  30     protected static final Logger logger = LoggerFactory
  31             .getLogger(Activator.class);
  32
  33
  34     /**
  35      * Function that is used to communicate to dependency manager the
  36      * list of known implementations for services inside a container
  37      *
  38      *
  39      * @return An array containing all the CLASS objects that will be
  40      * instantiated in order to get an fully working implementation
  41      * Object
  42      */
  43     @Override
  44     public Object[] getImplementations() {
  45         return new Object[]{};
  46     }
  47
  48     /**
  49      * Function that is called when configuration of the dependencies
  50      * is required.
  51      *
  52      * @param c dependency manager Component object, used for
  53      * configuring the dependencies exported and imported
  54      * @param imp Implementation class that is being configured,
  55      * needed as long as the same routine can configure multiple
  56      * implementations
  57      * @param containerName The containerName being configured, this allow
  58      * also optional per-container different behavior if needed, usually
  59      * should not be the case though.
  60      */
  61     @Override
  62     public void configureInstance(Component c, Object imp, String containerName) {
  63     }
  64
  65     /**
  66      * Method which tells how many global implementations are
  67      * supported by the bundle. This way we can tune the number of
  68      * components created. This components will be created ONLY at the
  69      * time of bundle startup and will be destroyed only at time of
  70      * bundle destruction, this is the major difference with the
  71      * implementation retrieved via getImplementations where all of
  72      * them are assumed to be in a container !
  73      *
  74      *
  75      * @return The list of implementations the bundle will support,
  76      * in Global version
  77      */
  78     @Override
  79     protected Object[] getGlobalImplementations() {
  80         Object[] res = { UserManager.class };
  81         return res;
  82     }
  83
  84     /**
  85      * Configure the dependency for a given instance Global
  86      *
  87      * @param c Component assigned for this instance, this will be
  88      * what will be used for configuration
  89      * @param imp implementation to be configured
  90      * @param containerName container on which the configuration happens
  91      */
  92     @Override
  93     protected void configureGlobalInstance(Component c, Object imp) {
  94         if (imp.equals(UserManager.class)) {
  95
  96             // export the service
  97             c.setInterface(new String[] {
  98                     IUserManager.class.getName(),
  99                     IConfigurationAware.class.getName() }, null);
 100
 101             c.add(createServiceDependency().setService(
 102                     IClusterGlobalServices.class).setCallbacks(
 103                     "setClusterGlobalService", "unsetClusterGlobalService")
 104                     .setRequired(true));
 105
 106             c.add(createServiceDependency().setService(
 107                     IConfigurationService.class).setCallbacks(
 108                     "setConfigurationService",
 109                     "unsetConfigurationService").setRequired(true));
 110
 111             c.add(createServiceDependency().setService(IAAAProvider.class)
 112                     .setCallbacks("addAAAProvider", "removeAAAProvider")
 113                     .setRequired(false));
 114
 115             c.add(createServiceDependency().setService(
 116                     IContainerAuthorization.class).setCallbacks(
 117                     "setContainerAuthClient", "unsetContainerAuthClient")
 118                     .setRequired(false));
 119
 120             c.add(createServiceDependency().setService(
 121                     IResourceAuthorization.class).setCallbacks(
 122                     "setAppAuthClient", "unsetAppAuthClient")
 123                     .setRequired(false));
 124         }
 125     }
 126 }