opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/PersistentDataProvider.java

   1 /*
   2  * Copyright (c) 2015 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 package org.opendaylight.controller.cluster;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import akka.japi.Procedure;
  13 import akka.persistence.AbstractPersistentActor;
  14 import akka.persistence.SnapshotSelectionCriteria;
  15
  16 /**
  17  * A DataPersistenceProvider implementation with persistence enabled.
  18  */
  19 public class PersistentDataProvider implements DataPersistenceProvider {
  20
  21     private final AbstractPersistentActor persistentActor;
  22
  23     public PersistentDataProvider(AbstractPersistentActor persistentActor) {
  24         this.persistentActor = requireNonNull(persistentActor, "persistentActor can't be null");
  25     }
  26
  27     @Override
  28     public boolean isRecoveryApplicable() {
  29         return true;
  30     }
  31
  32     @Override
  33     public <T> void persist(T entry, Procedure<T> procedure) {
  34         persistentActor.persist(entry, procedure);
  35     }
  36
  37     @Override
  38     public <T> void persistAsync(T entry, Procedure<T> procedure) {
  39         persistentActor.persistAsync(entry, procedure);
  40     }
  41
  42     @Override
  43     public void saveSnapshot(Object snapshot) {
  44         persistentActor.saveSnapshot(snapshot);
  45     }
  46
  47     @Override
  48     public void deleteSnapshots(SnapshotSelectionCriteria criteria) {
  49         persistentActor.deleteSnapshots(criteria);
  50     }
  51
  52     @Override
  53     public void deleteMessages(long sequenceNumber) {
  54         persistentActor.deleteMessages(sequenceNumber);
  55     }
  56
  57     @Override
  58     public long getLastSequenceNumber() {
  59         return persistentActor.lastSequenceNr();
  60     }
  61 }