applications/notification-supplier/src/main/java/org/opendaylight/openflowplugin/applications/notification/supplier/impl/NodeNotificationSupplierImpl.java

   1 /*
   2  * Copyright (c) 2015 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
   9 package org.opendaylight.openflowplugin.applications.notification.supplier.impl;
  10
  11 import com.google.common.base.Preconditions;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeUpdated;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeUpdatedBuilder;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRemoved;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRemovedBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdated;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeUpdatedBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25
  26 /**
  27  * Implementation define a contract between {@link FlowCapableNode} data object
  28  * and {@link NodeUpdated} and {@link NodeRemoved} notifications.
  29  */
  30 public class NodeNotificationSupplierImpl extends
  31         AbstractNotificationSupplierForItemRoot<FlowCapableNode, NodeUpdated, NodeRemoved> {
  32
  33     private static final InstanceIdentifier<FlowCapableNode> wildCardedInstanceIdent = getNodeWildII().augmentation(FlowCapableNode.class);
  34
  35     /**
  36      * Constructor register supplier as DataChangeLister and create wildCarded InstanceIdentifier.
  37      *
  38      * @param notifProviderService - {@link NotificationProviderService}
  39      * @param db                   - {@link DataBroker}
  40      */
  41     public NodeNotificationSupplierImpl(final NotificationProviderService notifProviderService, final DataBroker db) {
  42         super(notifProviderService, db, FlowCapableNode.class);
  43     }
  44
  45     @Override
  46     public InstanceIdentifier<FlowCapableNode> getWildCardPath() {
  47         return wildCardedInstanceIdent;
  48     }
  49
  50     @Override
  51     public NodeUpdated createNotification(final FlowCapableNode o, final InstanceIdentifier<FlowCapableNode> ii) {
  52         Preconditions.checkArgument(o != null);
  53         Preconditions.checkArgument(ii != null);
  54         final FlowCapableNodeUpdatedBuilder flowNodeNotifBuilder = new FlowCapableNodeUpdatedBuilder(o);
  55         final NodeUpdatedBuilder notifBuilder = new NodeUpdatedBuilder();
  56         notifBuilder.setId(ii.firstKeyOf(Node.class, NodeKey.class).getId());
  57         notifBuilder.setNodeRef(new NodeRef(getNodeII(ii)));
  58         notifBuilder.addAugmentation(FlowCapableNodeUpdated.class, flowNodeNotifBuilder.build());
  59         return notifBuilder.build();
  60     }
  61
  62     @Override
  63     public NodeRemoved deleteNotification(final InstanceIdentifier<FlowCapableNode> path) {
  64         Preconditions.checkArgument(path != null);
  65         final NodeRemovedBuilder delNodeNotifBuilder = new NodeRemovedBuilder();
  66         delNodeNotifBuilder.setNodeRef(new NodeRef(path));
  67         return delNodeNotifBuilder.build();
  68     }
  69 }
  70