opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/ITopologyServiceShimListener.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.protocol_plugin.openflow;
  11
  12 import java.util.Set;
  13
  14 import org.opendaylight.controller.sal.core.Edge;
  15 import org.opendaylight.controller.sal.core.Property;
  16 import org.opendaylight.controller.sal.core.UpdateType;
  17
  18 /**
  19  * Interface class that provides Edge updates to the topology listeners
  20  *
  21  *
  22  */
  23 public interface ITopologyServiceShimListener {
  24     /**
  25      * Called to update on Edge in the topology graph
  26      *
  27      * @param edge                      {@link org.opendaylight.controller.sal.core.Edge} being updated
  28      * @param type              {@link org.opendaylight.controller.sal.core.UpdateType}
  29      * @param props             set of {@link org.opendaylight.controller.sal.core.Property} like
  30      *                                          {@link org.opendaylight.controller.sal.core.Bandwidth} and/or
  31      *                                          {@link org.opendaylight.controller.sal.core.Latency} etc.
  32      */
  33     public void edgeUpdate(Edge edge, UpdateType type, Set<Property> props);
  34
  35     /**
  36      * Called when an Edge utilization is above the safe threshold configured
  37      * on the controller
  38      * @param {@link org.opendaylight.controller.sal.core.Edge}
  39      */
  40     public void edgeOverUtilized(Edge edge);
  41
  42     /**
  43      * Called when the Edge utilization is back to normal, below the safety
  44      * threshold level configured on the controller
  45      *
  46      * @param {@link org.opendaylight.controller.sal.core.Edge}
  47      */
  48     public void edgeUtilBackToNormal(Edge edge);
  49 }