2 * Copyright (c) 2015 Brocade Communications Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.controller.cluster.raft;
10 import static java.util.Objects.requireNonNull;
12 import akka.japi.Procedure;
13 import org.opendaylight.controller.cluster.DataPersistenceProvider;
14 import org.opendaylight.controller.cluster.DelegatingPersistentDataProvider;
15 import org.opendaylight.controller.cluster.PersistentDataProvider;
16 import org.opendaylight.controller.cluster.raft.messages.PersistentPayload;
19 * The DelegatingPersistentDataProvider used by RaftActor to override the configured persistent provider to
20 * persist ReplicatedLogEntry's based on whether or not the payload is a PersistentPayload instance.
22 * @author Thomas Pantelis
24 class RaftActorDelegatingPersistentDataProvider extends DelegatingPersistentDataProvider {
25 private final PersistentDataProvider persistentProvider;
27 RaftActorDelegatingPersistentDataProvider(final DataPersistenceProvider delegate,
28 final PersistentDataProvider persistentProvider) {
30 this.persistentProvider = requireNonNull(persistentProvider);
34 public <T> void persist(final T entry, final Procedure<T> procedure) {
35 doPersist(entry, procedure, false);
39 public <T> void persistAsync(final T entry, final Procedure<T> procedure) {
40 doPersist(entry, procedure, true);
43 private <T> void doPersist(final T entry, final Procedure<T> procedure, final boolean async) {
44 if (!getDelegate().isRecoveryApplicable() && entry instanceof ReplicatedLogEntry replicatedLogEntry
45 && replicatedLogEntry.getData() instanceof PersistentPayload payload) {
46 // We persist the Payload but not the ReplicatedLogEntry to avoid gaps in the journal indexes on recovery
47 // if data persistence is later enabled.
49 persistentProvider.persistAsync(payload, p -> procedure.apply(entry));
51 persistentProvider.persist(payload, p -> procedure.apply(entry));
54 super.persistAsync(entry, procedure);
56 super.persist(entry, procedure);