opendaylight/config/config-persister-feature4-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 import org.apache.karaf.features.FeatureEvent;
  13 import org.apache.karaf.features.FeaturesListener;
  14 import org.apache.karaf.features.FeaturesService;
  15 import org.apache.karaf.features.RepositoryEvent;
  16 import org.opendaylight.controller.config.persist.api.ConfigPusher;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 public class ConfigFeaturesListener implements  FeaturesListener,  AutoCloseable {
  21     private static final Logger LOG = LoggerFactory.getLogger(ConfigFeaturesListener.class);
  22     private static final int QUEUE_SIZE = 1000;
  23     private BlockingQueue<FeatureEvent> queue = new LinkedBlockingQueue<>(QUEUE_SIZE);
  24     Thread pushingThread = null;
  25
  26     public ConfigFeaturesListener(ConfigPusher p, FeaturesService f) {
  27         pushingThread = new Thread(new ConfigPushingRunnable(p, f, queue), "ConfigFeatureListener - ConfigPusher");
  28         pushingThread.start();
  29     }
  30
  31     @Override
  32     public void featureEvent(FeatureEvent event) {
  33         queue.offer(event);
  34     }
  35
  36     @Override
  37     public void repositoryEvent(RepositoryEvent event) {
  38         LOG.debug("Repository: {} {}", event.getType(), event.getRepository());
  39     }
  40
  41     @Override
  42     public void close() {
  43         if(pushingThread != null) {
  44             pushingThread.interrupt();
  45             pushingThread = null;
  46         }
  47     }
  48 }