opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/CompositeModificationPayload.java

   1 /*
   2  * Copyright (c) 2014 Cisco 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
   9 package org.opendaylight.controller.cluster.datastore;
  10
  11 import com.google.common.base.Preconditions;
  12 import com.google.protobuf.GeneratedMessage;
  13 import org.opendaylight.controller.cluster.example.protobuff.messages.KeyValueMessages;
  14 import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
  15 import org.opendaylight.controller.cluster.raft.protobuff.messages.AppendEntriesMessages;
  16 import org.opendaylight.controller.protobuff.messages.persistent.PersistentMessages;
  17
  18 import java.io.Serializable;
  19 import java.util.HashMap;
  20 import java.util.Map;
  21
  22 public class CompositeModificationPayload extends Payload implements
  23     Serializable {
  24
  25     private final PersistentMessages.CompositeModification modification;
  26
  27     public CompositeModificationPayload(){
  28         modification = null;
  29     }
  30     public CompositeModificationPayload(Object modification){
  31         this.modification = (PersistentMessages.CompositeModification) modification;
  32     }
  33
  34     @Override public Map<GeneratedMessage.GeneratedExtension, PersistentMessages.CompositeModification> encode() {
  35         Preconditions.checkState(modification!=null);
  36         Map<GeneratedMessage.GeneratedExtension, PersistentMessages.CompositeModification> map = new HashMap<>();
  37         map.put(org.opendaylight.controller.mdsal.CompositeModificationPayload.modification, this.modification);
  38         return map;
  39     }
  40
  41     @Override public Payload decode(
  42         AppendEntriesMessages.AppendEntries.ReplicatedLogEntry.Payload payload) {
  43         PersistentMessages.CompositeModification modification = payload
  44             .getExtension(
  45                 org.opendaylight.controller.mdsal.CompositeModificationPayload.modification);
  46         payload.getExtension(KeyValueMessages.value);
  47         return new CompositeModificationPayload(modification);
  48     }
  49
  50     public Object getModification(){
  51         return this.modification;
  52     }
  53 }