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