opendaylight/config/config-persister-feature-adapter/src/main/java/org/opendaylight/controller/configpusherfeature/internal/ConfigFeaturesListener.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, 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 package org.opendaylight.controller.configpusherfeature.internal;
   9
  10 import java.util.concurrent.BlockingQueue;
  11 import java.util.concurrent.LinkedBlockingQueue;
  12
  13 import org.apache.karaf.features.FeatureEvent;
  14 import org.apache.karaf.features.FeaturesListener;
  15 import org.apache.karaf.features.FeaturesService;
  16 import org.apache.karaf.features.RepositoryEvent;
  17 import org.opendaylight.controller.config.persist.api.ConfigPusher;
  18 import org.slf4j.Logger;
  19 import org.slf4j.LoggerFactory;
  20
  21 public class ConfigFeaturesListener implements  FeaturesListener,  AutoCloseable {
  22     private static final Logger logger = LoggerFactory.getLogger(ConfigFeaturesListener.class);
  23     private static final int QUEUE_SIZE = 100;
  24     private BlockingQueue<FeatureEvent> queue = new LinkedBlockingQueue<FeatureEvent>(QUEUE_SIZE);
  25     Thread pushingThread = null;
  26
  27     public ConfigFeaturesListener(ConfigPusher p, FeaturesService f) {
  28         pushingThread = new Thread(new ConfigPushingRunnable(p, f, queue), "ConfigFeatureListener - ConfigPusher");
  29         pushingThread.start();
  30     }
  31
  32     @Override
  33     public void featureEvent(FeatureEvent event) {
  34         queue.offer(event);
  35     }
  36
  37     @Override
  38     public void repositoryEvent(RepositoryEvent event) {
  39         logger.debug("Repository: " + event.getType() + " " + event.getRepository());
  40     }
  41
  42     @Override
  43     public void close() {
  44         if(pushingThread != null) {
  45             pushingThread.interrupt();
  46             pushingThread = null;
  47         }
  48     }
  49 }