+/*
+ * Copyright (c) 2014 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 scala.concurrent.duration.FiniteDuration;
+
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Default implementation of the ConfigParams
+ *
+ * If no implementation is provided for ConfigParams, then this will be used.
+ */
+public class DefaultConfigParamsImpl implements ConfigParams {
+
+ private static final int SNAPSHOT_BATCH_COUNT = 100000;
+
+ /**
+ * The maximum election time variance
+ */
+ private static final int ELECTION_TIME_MAX_VARIANCE = 100;
+
+
+ /**
+ * The interval at which a heart beat message will be sent to the remote
+ * RaftActor
+ * <p/>
+ * Since this is set to 100 milliseconds the Election timeout should be
+ * at least 200 milliseconds
+ */
+ protected static final FiniteDuration HEART_BEAT_INTERVAL =
+ new FiniteDuration(100, TimeUnit.MILLISECONDS);
+
+
+ @Override
+ public long getSnapshotBatchCount() {
+ return SNAPSHOT_BATCH_COUNT;
+ }
+
+ @Override
+ public FiniteDuration getHeartBeatInterval() {
+ return HEART_BEAT_INTERVAL;
+ }
+
+
+ @Override
+ public FiniteDuration getElectionTimeOutInterval() {
+ // returns 2 times the heart beat interval
+ return HEART_BEAT_INTERVAL.$times(2);
+ }
+
+ @Override
+ public int getElectionTimeVariance() {
+ return ELECTION_TIME_MAX_VARIANCE;
+ }
+}