mdsalutil/mdsalutil-impl/src/test/java/org/opendaylight/vpnservice/test/MockGroupForwarder.java

   1 /*
   2  * Copyright (c) 2015 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.vpnservice.test;
   9
  10 import java.util.Collection;
  11 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  16 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  17 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  19 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  22
  23 public class MockGroupForwarder extends AbstractMockForwardingRulesManager<Group>{
  24
  25     private int nGroupCount = 0;
  26     private ListenerRegistration<MockGroupForwarder> listenerRegistration ;
  27
  28     public MockGroupForwarder( final DataBroker db) {
  29         super() ;
  30         registerListener(db) ;
  31     }
  32
  33     private void registerListener(final DataBroker db) {
  34        final DataTreeIdentifier<Group> treeId = new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, getWildCardPath());
  35        try {
  36            listenerRegistration = db.registerDataTreeChangeListener(treeId, MockGroupForwarder.this);
  37        } catch (final Exception e) {
  38            throw new IllegalStateException("GroupForwarder registration Listener fail! System needs restart.", e);
  39        }
  40     }
  41
  42     private InstanceIdentifier<Group> getWildCardPath() {
  43         return InstanceIdentifier.create(Nodes.class).child(Node.class).
  44                 augmentation(FlowCapableNode.class).child(Group.class);
  45     }
  46
  47     @Override
  48     public void onDataTreeChanged(Collection<DataTreeModification<Group>> changes) {
  49         for (DataTreeModification<Group> change : changes) {
  50             final InstanceIdentifier<Group> key = change.getRootPath().getRootIdentifier();
  51             final DataObjectModification<Group> mod = change.getRootNode();
  52
  53                 switch (mod.getModificationType()) {
  54                 case DELETE:
  55                     nGroupCount -= 1;
  56                     break;
  57                 case SUBTREE_MODIFIED:
  58                     // CHECK IF RQD
  59                     break;
  60                 case WRITE:
  61                     if (mod.getDataBefore() == null) {
  62                         nGroupCount += 1;
  63                     } else {
  64                         // UPDATE COUNT UNCHANGED
  65                     }
  66                     break;
  67                 default:
  68                     throw new IllegalArgumentException("Unhandled modification type " + mod.getModificationType());
  69                 }
  70             }
  71      }
  72
  73     public int getDataChgCount() {
  74         return nGroupCount;
  75     }
  76 }