opendaylight/md-sal/forwardingrules-manager/src/main/java/org/opendaylight/controller/frm/impl/GroupForwarder.java

   1 /**
   2  * Copyright (c) 2014 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.controller.frm.impl;
   9
  10 import com.google.common.base.Preconditions;
  11 import org.opendaylight.controller.frm.ForwardingRulesManager;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  14 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupInputBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupInputBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.UpdateGroupInputBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.group.update.OriginalGroupBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.group.update.UpdatedGroupBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupRef;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  28 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 /**
  34  * GroupForwarder
  35  * It implements {@link org.opendaylight.controller.md.sal.binding.api.DataChangeListener}}
  36  * for WildCardedPath to {@link Group} and ForwardingRulesCommiter interface for methods:
  37  *  add, update and remove {@link Group} processing for
  38  *  {@link org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent}.
  39  *
  40  * @author <a href="mailto:vdemcak@cisco.com">Vaclav Demcak</a>
  41  *
  42  */
  43 public class GroupForwarder extends AbstractListeningCommiter<Group> {
  44
  45     private static final Logger LOG = LoggerFactory.getLogger(GroupForwarder.class);
  46
  47     private ListenerRegistration<DataChangeListener> listenerRegistration;
  48
  49     public GroupForwarder (final ForwardingRulesManager manager, final DataBroker db) {
  50         super(manager, Group.class);
  51         Preconditions.checkNotNull(db, "DataBroker can not be null!");
  52         this.listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
  53                 getWildCardPath(), GroupForwarder.this, DataChangeScope.SUBTREE);
  54     }
  55
  56     @Override
  57     public void close() {
  58         if (listenerRegistration != null) {
  59             try {
  60                 listenerRegistration.close();
  61             } catch (Exception e) {
  62                 LOG.error("Error by stop FRM GroupChangeListener.", e);
  63             }
  64             listenerRegistration = null;
  65         }
  66     }
  67
  68     @Override
  69     protected InstanceIdentifier<Group> getWildCardPath() {
  70         return InstanceIdentifier.create(Nodes.class).child(Node.class)
  71                 .augmentation(FlowCapableNode.class).child(Group.class);
  72     }
  73
  74     @Override
  75     public void remove(final InstanceIdentifier<Group> identifier, final Group removeDataObj,
  76                        final InstanceIdentifier<FlowCapableNode> nodeIdent) {
  77
  78         final Group group = (removeDataObj);
  79         final RemoveGroupInputBuilder builder = new RemoveGroupInputBuilder(group);
  80
  81         builder.setNode(new NodeRef(nodeIdent));
  82         builder.setGroupRef(new GroupRef(identifier));
  83         builder.setTransactionUri(new Uri(provider.getNewTransactionId()));
  84         this.provider.getSalGroupService().removeGroup(builder.build());
  85     }
  86
  87     @Override
  88     public void update(final InstanceIdentifier<Group> identifier,
  89                        final Group original, final Group update,
  90                        final InstanceIdentifier<FlowCapableNode> nodeIdent) {
  91
  92         final Group originalGroup = (original);
  93         final Group updatedGroup = (update);
  94         final UpdateGroupInputBuilder builder = new UpdateGroupInputBuilder();
  95
  96         builder.setNode(new NodeRef(nodeIdent));
  97         builder.setGroupRef(new GroupRef(identifier));
  98         builder.setTransactionUri(new Uri(provider.getNewTransactionId()));
  99         builder.setUpdatedGroup((new UpdatedGroupBuilder(updatedGroup)).build());
 100         builder.setOriginalGroup((new OriginalGroupBuilder(originalGroup)).build());
 101
 102         this.provider.getSalGroupService().updateGroup(builder.build());
 103     }
 104
 105     @Override
 106     public void add(final InstanceIdentifier<Group> identifier, final Group addDataObj,
 107                     final InstanceIdentifier<FlowCapableNode> nodeIdent) {
 108
 109         final Group group = (addDataObj);
 110         final AddGroupInputBuilder builder = new AddGroupInputBuilder(group);
 111
 112         builder.setNode(new NodeRef(nodeIdent));
 113         builder.setGroupRef(new GroupRef(identifier));
 114         builder.setTransactionUri(new Uri(provider.getNewTransactionId()));
 115         this.provider.getSalGroupService().addGroup(builder.build());
 116     }
 117 }
 118