openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/queue/TicketFinisherImpl.java

   1 /**
   2  * Copyright (c) 2013 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.openflowplugin.openflow.md.queue;
   9
  10 import java.util.Collection;
  11 import java.util.List;
  12 import java.util.Map;
  13 import java.util.concurrent.BlockingQueue;
  14
  15 import org.opendaylight.yangtools.yang.binding.DataObject;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18
  19 /**
  20  *
  21  */
  22 public class TicketFinisherImpl implements TicketFinisher<DataObject> {
  23
  24     private static final Logger LOG = LoggerFactory
  25             .getLogger(TicketFinisherImpl.class);
  26
  27     private final Map<Class<? extends DataObject>, Collection<PopListener<DataObject>>> popListenersMapping;
  28
  29     private boolean finished;
  30
  31     private BlockingQueue<TicketResult<DataObject>> queue;
  32
  33     /**
  34      * @param queue
  35      * @param popListenersMapping
  36      */
  37     public TicketFinisherImpl(BlockingQueue<TicketResult<DataObject>> queue,
  38             Map<Class<? extends DataObject>, Collection<PopListener<DataObject>>> popListenersMapping) {
  39         this.queue = queue;
  40         this.popListenersMapping = popListenersMapping;
  41     }
  42
  43     @Override
  44     public void run() {
  45         while (! finished ) {
  46             try {
  47                 //TODO:: handle shutdown of queue
  48                 TicketResult<DataObject> result = queue.take();
  49                 List<DataObject> processedMessages = result.getResult().get();
  50                 firePopNotification(processedMessages);
  51             } catch (Exception e) {
  52                 LOG.warn("processing (translate, publish) of ticket failed", e);
  53             }
  54         }
  55     }
  56
  57     @Override
  58     public void firePopNotification(List<DataObject> processedMessages) {
  59         for (DataObject msg : processedMessages) {
  60             Class<? extends Object> registeredType =
  61                     msg.getImplementedInterface();
  62             Collection<PopListener<DataObject>> popListeners = popListenersMapping.get(registeredType);
  63             if (popListeners == null) {
  64                 LOG.warn("no popListener registered for type {}", registeredType);
  65             } else {
  66                 for (PopListener<DataObject> consumer : popListeners) {
  67                     consumer.onPop(msg);
  68                 }
  69             }
  70         }
  71     }
  72
  73     /**
  74      * initiate shutdown of this worker
  75      */
  76     @Override
  77     public void finish() {
  78         finished = true;
  79     }
  80 }