bgpmanager/bgpmanager-impl/src/test/java/org/opendaylight/vpnservice/bgpmanager/test/MockFibManager.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.bgpmanager.test;
   9
  10 import java.util.Collection;
  11
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  14 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  15 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.FibEntries;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.fibentries.VrfTables;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.vrfentries.VrfEntry;
  20 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  22
  23 public class MockFibManager extends AbstractMockFibManager<VrfEntry> {
  24
  25     private int nFibEntries = 0;
  26
  27     private ListenerRegistration<MockFibManager> listenerRegistration;
  28
  29     public MockFibManager( final DataBroker db) {
  30         super() ;
  31         registerListener(db) ;
  32     }
  33
  34     private void registerListener(final DataBroker db) {
  35         final DataTreeIdentifier<VrfEntry> treeId = new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, getWildCardPath());
  36         try {
  37             listenerRegistration = db.registerDataTreeChangeListener(treeId, MockFibManager.this);
  38         } catch (final Exception e) {
  39             throw new IllegalStateException("FibManager registration Listener fail! System needs restart.", e);
  40         }
  41     }
  42
  43     private InstanceIdentifier<VrfEntry> getWildCardPath() {
  44             return InstanceIdentifier.create(FibEntries.class).child(VrfTables.class).child(VrfEntry.class);
  45      }
  46
  47     @Override
  48     public void onDataTreeChanged(Collection<DataTreeModification<VrfEntry>> changes) {
  49         for (DataTreeModification<VrfEntry> change : changes) {
  50             final InstanceIdentifier<VrfEntry> key = change.getRootPath().getRootIdentifier();
  51             final DataObjectModification<VrfEntry> mod = change.getRootNode();
  52
  53                 switch (mod.getModificationType()) {
  54                 case DELETE:
  55                     nFibEntries -= 1;
  56                     break;
  57                 case WRITE:
  58                     if (mod.getDataBefore() == null) {
  59                         nFibEntries += 1;
  60                     } else {
  61                         // UPDATE COUNT UNCHANGED
  62                     }
  63                     break;
  64                 default:
  65                     throw new IllegalArgumentException("Unhandled modification  type " + mod.getModificationType());
  66                 }
  67             }
  68      }
  69
  70     public int getDataChgCount() {
  71         return nFibEntries;
  72     }
  73 }