X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2FFollowerLogInformationImpl.java;h=c0cfd7e862e189b42036a246cc81f32e3d253e01;hb=64d19dc3c6578981ad4b4d73e2c8619e087a4799;hp=94f9a53a850ae22537fe0607b5a16a1328b12532;hpb=11e9ade9af527aba7faeb633d3c9c7552fd09d2d;p=controller.git

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/FollowerLogInformationImpl.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/FollowerLogInformationImpl.java
index 94f9a53a85..c0cfd7e862 100644
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/FollowerLogInformationImpl.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/FollowerLogInformationImpl.java
@@ -8,6 +8,10 @@
 
 package org.opendaylight.controller.cluster.raft;
 
+import com.google.common.base.Stopwatch;
+import scala.concurrent.duration.FiniteDuration;
+
+import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLong;
 
 public class FollowerLogInformationImpl implements FollowerLogInformation{
@@ -18,11 +22,17 @@ public class FollowerLogInformationImpl implements FollowerLogInformation{
 
     private final AtomicLong matchIndex;
 
+    private final Stopwatch stopwatch;
+
+    private final long followerTimeoutMillis;
+
     public FollowerLogInformationImpl(String id, AtomicLong nextIndex,
-        AtomicLong matchIndex) {
+        AtomicLong matchIndex, FiniteDuration followerTimeoutDuration) {
         this.id = id;
         this.nextIndex = nextIndex;
         this.matchIndex = matchIndex;
+        this.stopwatch = new Stopwatch();
+        this.followerTimeoutMillis = followerTimeoutDuration.toMillis();
     }
 
     public long incrNextIndex(){
@@ -57,4 +67,17 @@ public class FollowerLogInformationImpl implements FollowerLogInformation{
         return matchIndex;
     }
 
+    @Override
+    public boolean isFollowerActive() {
+        long elapsed = stopwatch.elapsed(TimeUnit.MILLISECONDS);
+        return (stopwatch.isRunning()) && (elapsed <= followerTimeoutMillis);
+    }
+
+    @Override
+    public void markFollowerActive() {
+        if (stopwatch.isRunning()) {
+            stopwatch.reset();
+        }
+        stopwatch.start();
+    }
 }