Merge "BUG-8: mark deprecated classes as such"

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

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 6aa76508fc2323094a497895cad4d3d7a2bdd3d0..7df80af58a717e99c1a226c3bd6cbb17ccd92afc 100644 (file)
--- 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{
@@ -18,21 +22,39 @@ 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(){
         return nextIndex.incrementAndGet();
     }
 
+    @Override public long decrNextIndex() {
+        return nextIndex.decrementAndGet();
+    }
+
+    @Override public void setNextIndex(long nextIndex) {
+        this.nextIndex.set(nextIndex);
+    }
+
     public long incrMatchIndex(){
         return matchIndex.incrementAndGet();
     }
 
+    @Override public void setMatchIndex(long matchIndex) {
+        this.matchIndex.set(matchIndex);
+    }
+
     public String getId() {
         return id;
     }
@@ -45,4 +67,24 @@ 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();
+    }
+
+    @Override
+    public void markFollowerInActive() {
+        if (stopwatch.isRunning()) {
+            stopwatch.stop();
+        }
+    }
 }