affinity/implementation/src/main/java/org/opendaylight/affinity/affinity/internal/Activator.java

   1 /*
   2  * Copyright (c) 2013 Plexxi, 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.affinity.affinity.internal;
  10
  11 import java.util.Dictionary;
  12 import java.util.HashSet;
  13 import java.util.Hashtable;
  14 import java.util.Set;
  15
  16 import org.apache.felix.dm.Component;
  17 import org.opendaylight.controller.clustering.services.ICacheUpdateAware;
  18 import org.opendaylight.controller.clustering.services.IClusterContainerServices;
  19 import org.opendaylight.controller.configuration.IConfigurationContainerAware;
  20 import org.opendaylight.controller.hosttracker.IfIptoHost;
  21 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  22 import org.opendaylight.affinity.affinity.IAffinityManager;
  23 import org.opendaylight.affinity.affinity.IAffinityManagerAware;
  24 import org.opendaylight.controller.sal.utils.IObjectReader;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27 import org.opendaylight.controller.sal.flowprogrammer.IFlowProgrammerService;
  28 import org.opendaylight.controller.switchmanager.ISwitchManager;
  29
  30 /**
  31  * AffinityManager Bundle Activator
  32  *
  33  *
  34  */
  35 public class Activator extends ComponentActivatorAbstractBase {
  36     protected static final Logger logger = LoggerFactory
  37             .getLogger(Activator.class);
  38
  39     /**
  40      * Function called when the activator starts just after some
  41      * initializations are done by the
  42      * ComponentActivatorAbstractBase.
  43      *
  44      */
  45     public void init() {
  46
  47     }
  48
  49     /**
  50      * Function called when the activator stops just before the
  51      * cleanup done by ComponentActivatorAbstractBase
  52      *
  53      */
  54     public void destroy() {
  55
  56     }
  57
  58     /**
  59      * Function that is used to communicate to dependency manager the
  60      * list of known implementations for services inside a container
  61      *
  62      *
  63      * @return An array containing all the CLASS objects that will be
  64      * instantiated in order to get an fully working implementation
  65      * Object
  66      */
  67     @Override
  68     public Object[] getImplementations() {
  69         Object[] res = { AffinityManagerImpl.class };
  70         return res;
  71     }
  72
  73     /**
  74      * Function that is called when configuration of the dependencies
  75      * is required.
  76      *
  77      * @param c dependency manager Component object, used for
  78      * configuring the dependencies exported and imported
  79      * @param imp Implementation class that is being configured,
  80      * needed as long as the same routine can configure multiple
  81      * implementations
  82      * @param containerName The containerName being configured, this allow
  83      * also optional per-container different behavior if needed, usually
  84      * should not be the case though.
  85      */
  86     @Override
  87     public void configureInstance(Component c, Object imp, String containerName) {
  88         if (imp.equals(AffinityManagerImpl.class)) {
  89             Dictionary<String, Set<String>> props = new Hashtable<String, Set<String>>();
  90             Set<String> propSet = new HashSet<String>();
  91             propSet.add("affinitymanager.configSaveEvent");
  92             props.put("cachenames", propSet);
  93             // export the service
  94             c.setInterface(new String[] {
  95                     IAffinityManager.class.getName(),
  96                     IConfigurationContainerAware.class.getName(),
  97                     IObjectReader.class.getName(),
  98                     ICacheUpdateAware.class.getName() }, props);
  99
 100             // Now lets add a service dependency to make sure the
 101             // provider of service exists
 102             c.add(createContainerServiceDependency(containerName).setService(
 103                     IAffinityManagerAware.class).setCallbacks(
 104                     "setAffinityManagerAware", "unsetAffinityManagerAware")
 105                     .setRequired(true));
 106             c.add(createContainerServiceDependency(containerName).setService(
 107                     IClusterContainerServices.class).setCallbacks(
 108                     "setClusterContainerService",
 109                     "unsetClusterContainerService").setRequired(true));
 110               c.add(createContainerServiceDependency(containerName).setService(
 111                     IFlowProgrammerService.class).setCallbacks(
 112                     "setFlowProgrammerService", "unsetFlowProgrammerService")
 113                     .setRequired(true));
 114             c.add(createContainerServiceDependency(containerName).setService(
 115                     ISwitchManager.class).setCallbacks(
 116                     "setSwitchManager", "unsetSwitchManager")
 117                     .setRequired(true));
 118             c.add(createContainerServiceDependency(containerName).setService(IfIptoHost.class)
 119                   .setCallbacks("setHostTracker", "unsetHostTracker").setRequired(true));
 120             logger.debug("Done configuring instance of AffinityImpl class.");
 121         }
 122     }
 123 }