Always persist ServerConfigurationPayload log entries

[controller.git] / opendaylight / md-sal / sal-akka-raft / src / main / java / org / opendaylight / controller / cluster / raft / RaftActorDelegatingPersistentDataProvider.java

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorDelegatingPersistentDataProvider.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorDelegatingPersistentDataProvider.java
new file mode 100644 (file)
index 0000000..466609d
--- /dev/null
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorDelegatingPersistentDataProvider.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2015 Brocade Communications Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.cluster.raft;
+
+import akka.japi.Procedure;
+import com.google.common.base.Preconditions;
+import org.opendaylight.controller.cluster.DataPersistenceProvider;
+import org.opendaylight.controller.cluster.DelegatingPersistentDataProvider;
+import org.opendaylight.controller.cluster.PersistentDataProvider;
+import org.opendaylight.controller.cluster.raft.protobuff.client.messages.PersistentPayload;
+
+/**
+ * The DelegatingPersistentDataProvider used by RaftActor to override the configured persistent provider to
+ * persist ReplicatedLogEntry's based on whether or not the payload is a PersistentPayload instance.
+ *
+ * @author Thomas Pantelis
+ */
+class RaftActorDelegatingPersistentDataProvider extends DelegatingPersistentDataProvider {
+    private final PersistentDataProvider persistentProvider;
+
+    RaftActorDelegatingPersistentDataProvider(DataPersistenceProvider delegate,
+            PersistentDataProvider persistentProvider) {
+        super(delegate);
+        this.persistentProvider = Preconditions.checkNotNull(persistentProvider);
+    }
+
+    @Override
+    public <T> void persist(T o, Procedure<T> procedure) {
+        if(getDelegate().isRecoveryApplicable()) {
+            super.persist(o, procedure);
+        } else {
+            boolean isPersistentPayload = false;
+            if(o instanceof ReplicatedLogEntry) {
+                isPersistentPayload = ((ReplicatedLogEntry)o).getData() instanceof PersistentPayload;
+            }
+
+            if(isPersistentPayload) {
+                persistentProvider.persist(o, procedure);
+            } else {
+                super.persist(o, procedure);
+            }
+        }
+    }
+}