git.opendaylight Code Review - mdsal.git/blob

   1 /*
   2  * Copyright (c) 2015 Brocade Communications 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.mdsal.eos.binding.dom.adapter;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import java.util.Optional;
  13 import javax.inject.Inject;
  14 import javax.inject.Singleton;
  15 import org.eclipse.jdt.annotation.NonNull;
  16 import org.opendaylight.mdsal.binding.dom.adapter.AdapterContext;
  17 import org.opendaylight.mdsal.eos.binding.api.Entity;
  18 import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipListener;
  19 import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipListenerRegistration;
  20 import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipService;
  21 import org.opendaylight.mdsal.eos.common.api.CandidateAlreadyRegisteredException;
  22 import org.opendaylight.mdsal.eos.common.api.EntityOwnershipState;
  23 import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
  24 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipService;
  25 import org.opendaylight.yangtools.concepts.Registration;
  26 import org.osgi.service.component.annotations.Activate;
  27 import org.osgi.service.component.annotations.Component;
  28 import org.osgi.service.component.annotations.Reference;
  29
  30 /**
  31  * Adapter that bridges between the binding and DOM EntityOwnershipService interfaces.
  32  *
  33  * @author Thomas Pantelis
  34  */
  35 @Singleton
  36 @Component
  37 public final class DefaultEntityOwnershipService implements EntityOwnershipService {
  38     private final @NonNull DOMEntityOwnershipService domService;
  39     private final @NonNull AdapterContext adapterContext;
  40
  41     @Inject
  42     @Activate
  43     public DefaultEntityOwnershipService(@Reference final @NonNull DOMEntityOwnershipService domService,
  44             @Reference final @NonNull AdapterContext adapterContext) {
  45         this.domService = requireNonNull(domService);
  46         this.adapterContext = requireNonNull(adapterContext);
  47     }
  48
  49     @Override
  50     public Registration registerCandidate(final Entity entity) throws CandidateAlreadyRegisteredException {
  51         return domService.registerCandidate(toDOMEntity(entity));
  52     }
  53
  54     @Override
  55     public EntityOwnershipListenerRegistration registerListener(final String entityType,
  56             final EntityOwnershipListener listener) {
  57         return new BindingEntityOwnershipListenerRegistration(entityType, listener,
  58             domService.registerListener(entityType, new DOMEntityOwnershipListenerAdapter(listener, adapterContext)));
  59     }
  60
  61     @Override
  62     public Optional<EntityOwnershipState> getOwnershipState(final Entity forEntity) {
  63         return domService.getOwnershipState(toDOMEntity(forEntity));
  64     }
  65
  66     @Override
  67     public boolean isCandidateRegistered(final Entity forEntity) {
  68         return domService.isCandidateRegistered(toDOMEntity(forEntity));
  69     }
  70
  71     private @NonNull DOMEntity toDOMEntity(final Entity entity) {
  72         return new DOMEntity(entity.getType(),
  73             adapterContext.currentSerializer().toYangInstanceIdentifier(entity.getIdentifier()));
  74     }
  75 }