natservice/natservice-impl/src/main/java/org/opendaylight/netvirt/natservice/internal/EventDispatcher.java

   1 /*
   2  * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. 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.netvirt.natservice.internal;
   9
  10 import java.util.concurrent.ExecutorService;
  11 import javax.annotation.PreDestroy;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.opendaylight.yangtools.util.concurrent.SpecialExecutors;
  15 import org.slf4j.Logger;
  16 import org.slf4j.LoggerFactory;
  17
  18 @Singleton
  19 public class EventDispatcher implements AutoCloseable {
  20     private static final Logger LOG = LoggerFactory.getLogger(EventDispatcher.class);
  21
  22     private final NaptEventHandler naptEventHandler;
  23     private final ExecutorService executor = SpecialExecutors.newBoundedSingleThreadExecutor(
  24             NatConstants.EVENT_QUEUE_LENGTH, "NatServiceEventDispatcher", EventDispatcher.class);
  25
  26     @Inject
  27     public EventDispatcher(final NaptEventHandler naptEventHandler) {
  28         this.naptEventHandler = naptEventHandler;
  29     }
  30
  31     @PreDestroy
  32     @Override
  33     public void close() {
  34         executor.shutdown();
  35     }
  36
  37     public void addFlowRemovedNaptEvent(NAPTEntryEvent naptEntryEvent) {
  38         LOG.trace("addFlowRemovedNaptEvent : Adding Flow Removed event {}", naptEntryEvent);
  39
  40         executor.execute(() -> naptEventHandler.handleEvent(naptEntryEvent));
  41     }
  42 }