bgpmanager/impl/src/test/java/org/opendaylight/netvirt/bgpmanager/test/MockFibManager.java

   1 /*
   2  * Copyright (c) 2016 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.netvirt.bgpmanager.test;
   9
  10 import java.util.Collection;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  13 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  14 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.FibEntries;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTables;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry;
  19 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  21
  22 public class MockFibManager extends AbstractMockFibManager<VrfEntry> {
  23
  24     private int numFibEntries = 0;
  25
  26     private ListenerRegistration<MockFibManager> listenerRegistration;
  27
  28     public MockFibManager(final DataBroker db) {
  29         super() ;
  30         registerListener(db) ;
  31     }
  32
  33     private void registerListener(final DataBroker db) {
  34         final DataTreeIdentifier<VrfEntry> treeId =
  35                 new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, getWildCardPath());
  36         listenerRegistration = db.registerDataTreeChangeListener(treeId, MockFibManager.this);
  37     }
  38
  39     private InstanceIdentifier<VrfEntry> getWildCardPath() {
  40         return InstanceIdentifier.create(FibEntries.class).child(VrfTables.class).child(VrfEntry.class);
  41     }
  42
  43     @Override
  44     public void onDataTreeChanged(Collection<DataTreeModification<VrfEntry>> changes) {
  45         for (DataTreeModification<VrfEntry> change : changes) {
  46             final InstanceIdentifier<VrfEntry> key = change.getRootPath().getRootIdentifier();
  47             final DataObjectModification<VrfEntry> mod = change.getRootNode();
  48
  49             switch (mod.getModificationType()) {
  50                 case DELETE:
  51                     numFibEntries -= 1;
  52                     break;
  53                 case WRITE:
  54                     if (mod.getDataBefore() == null) {
  55                         numFibEntries += 1;
  56                     } else {
  57                         // UPDATE COUNT UNCHANGED
  58                     }
  59                     break;
  60                 default:
  61                     throw new IllegalArgumentException("Unhandled modification  type " + mod.getModificationType());
  62             }
  63         }
  64     }
  65
  66     public int getDataChgCount() {
  67         return numFibEntries;
  68     }
  69 }