git.opendaylight Code Review - controller.git/blob

   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.raft;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import org.apache.pekko.japi.Procedure;
  13 import org.apache.pekko.persistence.AbstractPersistentActor;
  14 import org.apache.pekko.persistence.DeleteMessagesSuccess;
  15 import org.apache.pekko.persistence.DeleteSnapshotsSuccess;
  16 import org.apache.pekko.persistence.JournalProtocol;
  17 import org.apache.pekko.persistence.SnapshotProtocol;
  18 import org.apache.pekko.persistence.SnapshotSelectionCriteria;
  19 import org.opendaylight.controller.cluster.raft.spi.DataPersistenceProvider;
  20
  21 /**
  22  * A DataPersistenceProvider implementation with persistence enabled.
  23  */
  24 // Non-final for testing
  25 class PersistentDataProvider implements DataPersistenceProvider {
  26     private final AbstractPersistentActor persistentActor;
  27
  28     PersistentDataProvider(final AbstractPersistentActor persistentActor) {
  29         this.persistentActor = requireNonNull(persistentActor, "persistentActor can't be null");
  30     }
  31
  32     @Override
  33     public boolean isRecoveryApplicable() {
  34         return true;
  35     }
  36
  37     @Override
  38     public <T> void persist(final T entry, final Procedure<T> procedure) {
  39         persistentActor.persist(entry, procedure);
  40     }
  41
  42     @Override
  43     public <T> void persistAsync(final T entry, final Procedure<T> procedure) {
  44         persistentActor.persistAsync(entry, procedure);
  45     }
  46
  47     @Override
  48     public void saveSnapshot(final Object snapshot) {
  49         persistentActor.saveSnapshot(snapshot);
  50     }
  51
  52     @Override
  53     public void deleteSnapshots(final SnapshotSelectionCriteria criteria) {
  54         persistentActor.deleteSnapshots(criteria);
  55     }
  56
  57     @Override
  58     public void deleteMessages(final long sequenceNumber) {
  59         persistentActor.deleteMessages(sequenceNumber);
  60     }
  61
  62     @Override
  63     public long getLastSequenceNumber() {
  64         return persistentActor.lastSequenceNr();
  65     }
  66
  67     @Override
  68     public boolean handleJournalResponse(final JournalProtocol.Response response) {
  69         return response instanceof DeleteMessagesSuccess;
  70     }
  71
  72     @Override
  73     public boolean handleSnapshotResponse(final SnapshotProtocol.Response response) {
  74         return response instanceof DeleteSnapshotsSuccess;
  75     }
  76 }