binding/mdsal-binding-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/dom/adapter/clustering/BindingDOMEntityOwnershipServiceAdapter.java

   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.binding.dom.adapter.clustering;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.base.Preconditions;
  12 import javax.annotation.Nonnull;
  13 import org.opendaylight.mdsal.binding.api.clustering.Entity;
  14 import org.opendaylight.mdsal.binding.api.clustering.EntityOwnershipCandidateRegistration;
  15 import org.opendaylight.mdsal.binding.api.clustering.EntityOwnershipListener;
  16 import org.opendaylight.mdsal.binding.api.clustering.EntityOwnershipListenerRegistration;
  17 import org.opendaylight.mdsal.binding.api.clustering.EntityOwnershipService;
  18 import org.opendaylight.mdsal.binding.dom.adapter.BindingToNormalizedNodeCodec;
  19 import org.opendaylight.mdsal.common.api.clustering.CandidateAlreadyRegisteredException;
  20 import org.opendaylight.mdsal.common.api.clustering.EntityOwnershipState;
  21 import org.opendaylight.mdsal.dom.api.clustering.DOMEntity;
  22 import org.opendaylight.mdsal.dom.api.clustering.DOMEntityOwnershipService;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 /**
  27  * Adapter that bridges between the binding and DOM EntityOwnershipService interfaces.
  28  *
  29  * @author Thomas Pantelis
  30  */
  31 public class BindingDOMEntityOwnershipServiceAdapter implements EntityOwnershipService {
  32     static final Logger LOG = LoggerFactory.getLogger(BindingDOMEntityOwnershipServiceAdapter.class);
  33
  34     private final DOMEntityOwnershipService domService;
  35     private final BindingToNormalizedNodeCodec conversionCodec;
  36
  37     public BindingDOMEntityOwnershipServiceAdapter(@Nonnull DOMEntityOwnershipService domService,
  38             @Nonnull BindingToNormalizedNodeCodec conversionCodec) {
  39         this.domService = Preconditions.checkNotNull(domService);
  40         this.conversionCodec = Preconditions.checkNotNull(conversionCodec);
  41     }
  42
  43     @Override
  44     public EntityOwnershipCandidateRegistration registerCandidate(Entity entity)
  45             throws CandidateAlreadyRegisteredException {
  46         return new BindingEntityOwnershipCandidateRegistration(domService.registerCandidate(toDOMEntity(entity)), entity);
  47     }
  48
  49     @Override
  50     public EntityOwnershipListenerRegistration registerListener(String entityType, EntityOwnershipListener listener) {
  51         return new BindingEntityOwnershipListenerRegistration(entityType, listener, domService.
  52                 registerListener(entityType, new DOMEntityOwnershipListenerAdapter(listener, conversionCodec)));
  53     }
  54
  55     @Override
  56     public Optional<EntityOwnershipState> getOwnershipState(Entity forEntity) {
  57         return domService.getOwnershipState(toDOMEntity(forEntity));
  58     }
  59
  60     private DOMEntity toDOMEntity(Entity entity) {
  61         return new DOMEntity(entity.getType(), conversionCodec.toNormalized(entity.getIdentifier()));
  62     }
  63 }