opendaylight/adsal/statisticsmanager/implementation/src/main/java/org/opendaylight/controller/statisticsmanager/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.statisticsmanager.internal;
  11
  12 import java.util.Dictionary;
  13 import java.util.HashSet;
  14 import java.util.Hashtable;
  15 import java.util.Set;
  16
  17 import org.apache.felix.dm.Component;
  18 import org.opendaylight.controller.clustering.services.ICacheUpdateAware;
  19 import org.opendaylight.controller.clustering.services.IClusterContainerServices;
  20 import org.opendaylight.controller.connectionmanager.IConnectionManager;
  21 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  22 import org.opendaylight.controller.sal.core.IContainer;
  23 import org.opendaylight.controller.sal.inventory.IListenInventoryUpdates;
  24 import org.opendaylight.controller.sal.reader.IReadService;
  25 import org.opendaylight.controller.sal.reader.IReadServiceListener;
  26 import org.opendaylight.controller.statisticsmanager.IStatisticsManager;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public class Activator extends ComponentActivatorAbstractBase {
  31     protected static final Logger logger = LoggerFactory.getLogger(Activator.class);
  32
  33
  34     /**
  35      * Function that is used to communicate to dependency manager the list of
  36      * 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     public Object[] getImplementations() {
  44         Object[] res = { StatisticsManager.class };
  45         return res;
  46     }
  47
  48     /**
  49      * Function that is called when configuration of the dependencies is
  50      * required.
  51      *
  52      * @param c
  53      *            dependency manager Component object, used for configuring the
  54      *            dependencies exported and imported
  55      * @param imp
  56      *            Implementation class that is being configured, needed as long
  57      *            as the same routine can configure multiple implementations
  58      * @param containerName
  59      *            The containerName being configured, this allow also optional
  60      *            per-container different behavior if needed, usually should not
  61      *            be the case though.
  62      */
  63     public void configureInstance(Component c, Object imp, String containerName) {
  64         if (imp.equals(StatisticsManager.class)) {
  65             // export the service
  66             Dictionary<String, Object> props = new Hashtable<String, Object>();
  67             Set<String> propSet = new HashSet<String>();
  68             // trigger cache
  69             propSet.add(StatisticsManager.TRIGGERS_CACHE);
  70             // flow statistics cache
  71             propSet.add(StatisticsManager.FLOW_STATISTICS_CACHE);
  72             props.put("cachenames", propSet);
  73
  74             String interfaces[] = new String[] {
  75                     IStatisticsManager.class.getName(),
  76                     IReadServiceListener.class.getName(),
  77                     IListenInventoryUpdates.class.getName(),
  78                     ICacheUpdateAware.class.getName() };
  79             c.setInterface(interfaces, props);
  80
  81             c.add(createContainerServiceDependency(containerName).setService(IReadService.class)
  82                     .setCallbacks("setReaderService", "unsetReaderService").setRequired(true));
  83             c.add(createContainerServiceDependency(containerName).setService(IClusterContainerServices.class)
  84                     .setCallbacks("setClusterContainerService", "unsetClusterContainerService").setRequired(true));
  85             c.add(createContainerServiceDependency(containerName).setService(IContainer.class)
  86                     .setCallbacks("setIContainer", "unsetIContainer").setRequired(true));
  87             c.add(createServiceDependency().setService(IConnectionManager.class)
  88                     .setCallbacks("setIConnectionManager", "unsetIConnectionManager").setRequired(false));
  89
  90         }
  91     }
  92 }