entityownership/mdsal-eos-binding-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 java.lang.AutoCloseable;
  13 import javax.annotation.Nonnull;
  14 import org.opendaylight.mdsal.binding.api.clustering.Entity;
  15 import org.opendaylight.mdsal.binding.api.clustering.EntityOwnershipCandidateRegistration;
  16 import org.opendaylight.mdsal.binding.api.clustering.EntityOwnershipListener;
  17 import org.opendaylight.mdsal.binding.api.clustering.EntityOwnershipListenerRegistration;
  18 import org.opendaylight.mdsal.binding.api.clustering.EntityOwnershipService;
  19 import org.opendaylight.mdsal.binding.dom.adapter.BindingToNormalizedNodeCodec;
  20 import org.opendaylight.mdsal.dom.api.clustering.DOMEntity;
  21 import org.opendaylight.mdsal.dom.api.clustering.DOMEntityOwnershipService;
  22 import org.opendaylight.mdsal.eos.common.api.CandidateAlreadyRegisteredException;
  23 import org.opendaylight.mdsal.eos.common.api.EntityOwnershipState;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 /**
  28  * Adapter that bridges between the binding and DOM EntityOwnershipService interfaces.
  29  *
  30  * @author Thomas Pantelis
  31  */
  32 public class BindingDOMEntityOwnershipServiceAdapter implements EntityOwnershipService, AutoCloseable {
  33     static final Logger LOG = LoggerFactory.getLogger(BindingDOMEntityOwnershipServiceAdapter.class);
  34
  35     private final DOMEntityOwnershipService domService;
  36     private final BindingToNormalizedNodeCodec conversionCodec;
  37
  38     public BindingDOMEntityOwnershipServiceAdapter(@Nonnull DOMEntityOwnershipService domService,
  39             @Nonnull BindingToNormalizedNodeCodec conversionCodec) {
  40         this.domService = Preconditions.checkNotNull(domService);
  41         this.conversionCodec = Preconditions.checkNotNull(conversionCodec);
  42     }
  43
  44     @Override
  45     public EntityOwnershipCandidateRegistration registerCandidate(Entity entity)
  46             throws CandidateAlreadyRegisteredException {
  47         return new BindingEntityOwnershipCandidateRegistration(domService.registerCandidate(toDOMEntity(entity)), entity);
  48     }
  49
  50     @Override
  51     public EntityOwnershipListenerRegistration registerListener(String entityType, EntityOwnershipListener listener) {
  52         return new BindingEntityOwnershipListenerRegistration(entityType, listener, domService.
  53                 registerListener(entityType, new DOMEntityOwnershipListenerAdapter(listener, conversionCodec)));
  54     }
  55
  56     @Override
  57     public Optional<EntityOwnershipState> getOwnershipState(Entity forEntity) {
  58         return domService.getOwnershipState(toDOMEntity(forEntity));
  59     }
  60
  61     @Override
  62     public boolean isCandidateRegistered(Entity forEntity) {
  63         return domService.isCandidateRegistered(toDOMEntity(forEntity));
  64     }
  65
  66     private DOMEntity toDOMEntity(Entity entity) {
  67         return new DOMEntity(entity.getType(), conversionCodec.toNormalized(entity.getIdentifier()));
  68     }
  69
  70     @Override
  71     public void close() {
  72     }
  73 }