Refactor ElectionTermImpl into separate class

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

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ElectionTermImpl.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ElectionTermImpl.java
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index 0000000..a22e57b
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+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/ElectionTermImpl.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2015 Cisco 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 org.opendaylight.controller.cluster.DataPersistenceProvider;
+import org.opendaylight.controller.cluster.raft.RaftActor.UpdateElectionTerm;
+import org.slf4j.Logger;
+
+/**
+ * Implementation of ElectionTerm for the RaftActor.
+ */
+class ElectionTermImpl implements ElectionTerm {
+    /**
+     * Identifier of the actor whose election term information this is
+     */
+    private long currentTerm = 0;
+    private String votedFor = null;
+
+    private final DataPersistenceProvider persistence;
+
+    private final Logger log;
+    private final String logId;
+
+    ElectionTermImpl(DataPersistenceProvider persistence, String logId, Logger log) {
+        this.persistence = persistence;
+        this.logId = logId;
+        this.log = log;
+    }
+
+    @Override
+    public long getCurrentTerm() {
+        return currentTerm;
+    }
+
+    @Override
+    public String getVotedFor() {
+        return votedFor;
+    }
+
+    @Override public void update(long currentTerm, String votedFor) {
+        if(log.isDebugEnabled()) {
+            log.debug("{}: Set currentTerm={}, votedFor={}", logId, currentTerm, votedFor);
+        }
+        this.currentTerm = currentTerm;
+        this.votedFor = votedFor;
+    }
+
+    @Override
+    public void updateAndPersist(long currentTerm, String votedFor){
+        update(currentTerm, votedFor);
+        // FIXME : Maybe first persist then update the state
+        persistence.persist(new UpdateElectionTerm(this.currentTerm, this.votedFor), NoopProcedure.instance());
+    }
+}
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