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.yangtools.yang.binding.InstanceIdentifier;
  24
  25 /**
  26  * Implementation define a contract between {@link FlowCapableNode} data object
  27  * and {@link NodeUpdated} and {@link NodeRemoved} notifications.
  28  */
  29 public class NodeNotificationSupplierImpl extends AbstractNotificationSupplierForItemRoot<FlowCapableNode,
  30         NodeUpdated, NodeRemoved> {
  31
  32     private static final InstanceIdentifier<FlowCapableNode> FLOW_CAPABLE_NODE_INSTANCE_IDENTIFIER = getNodeWildII()
  33             .augmentation(FlowCapableNode.class);
  34
  35     /**
  36      * Constructor register supplier as DataTreeChangeListener 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 FLOW_CAPABLE_NODE_INSTANCE_IDENTIFIER;
  48     }
  49
  50     @Override
  51     public NodeUpdated createNotification(final FlowCapableNode flowCapableNode,
  52                                           final InstanceIdentifier<FlowCapableNode> ii) {
  53         Preconditions.checkArgument(flowCapableNode != null);
  54         Preconditions.checkArgument(ii != null);
  55         final FlowCapableNodeUpdatedBuilder flowNodeNotifBuilder = new FlowCapableNodeUpdatedBuilder(flowCapableNode);
  56         final NodeUpdatedBuilder notifBuilder = new NodeUpdatedBuilder();
  57         notifBuilder.setId(ii.firstKeyOf(Node.class).getId());
  58         notifBuilder.setNodeRef(new NodeRef(getNodeII(ii)));
  59         notifBuilder.addAugmentation(FlowCapableNodeUpdated.class, flowNodeNotifBuilder.build());
  60         return notifBuilder.build();
  61     }
  62
  63     @Override
  64     public NodeRemoved deleteNotification(final InstanceIdentifier<FlowCapableNode> path) {
  65         Preconditions.checkArgument(path != null);
  66         final NodeRemovedBuilder delNodeNotifBuilder = new NodeRemovedBuilder();
  67         delNodeNotifBuilder.setNodeRef(new NodeRef(path));
  68         return delNodeNotifBuilder.build();
  69     }
  70 }
  71