X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2FDefaultConfigParamsImpl.java;h=35dee10ba45d4b3862c366787905fb0db10b4f12;hp=3e6742c17d37c178d30c7d570490ff993c068806;hb=e08568ddef3a5455b6b477e6672b8629f6935c20;hpb=d55de2cfa7bc8fe6c85d091a46f08219972b88d2

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/DefaultConfigParamsImpl.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/DefaultConfigParamsImpl.java
index 3e6742c17d..35dee10ba4 100644
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/DefaultConfigParamsImpl.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/DefaultConfigParamsImpl.java
@@ -7,7 +7,14 @@
  */
 package org.opendaylight.controller.cluster.raft;
 
+import com.google.common.base.Strings;
+import com.google.common.base.Supplier;
+import com.google.common.base.Suppliers;
 import java.util.concurrent.TimeUnit;
+import org.opendaylight.controller.cluster.raft.policy.DefaultRaftPolicy;
+import org.opendaylight.controller.cluster.raft.policy.RaftPolicy;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import scala.concurrent.duration.FiniteDuration;
 
 /**
@@ -17,6 +24,8 @@ import scala.concurrent.duration.FiniteDuration;
  */
 public class DefaultConfigParamsImpl implements ConfigParams {
 
+    private static final Logger LOG = LoggerFactory.getLogger(DefaultConfigParamsImpl.class);
+
     private static final int SNAPSHOT_BATCH_COUNT = 20000;
 
     private static final int JOURNAL_RECOVERY_LOG_BATCH_SIZE = 1000;
@@ -43,15 +52,22 @@ public class DefaultConfigParamsImpl implements ConfigParams {
     private long snapshotBatchCount = SNAPSHOT_BATCH_COUNT;
     private int journalRecoveryLogBatchSize = JOURNAL_RECOVERY_LOG_BATCH_SIZE;
     private long isolatedLeaderCheckInterval = HEART_BEAT_INTERVAL.$times(1000).toMillis();
+    private FiniteDuration electionTimeOutInterval;
 
     // 12 is just an arbitrary percentage. This is the amount of the total memory that a raft actor's
     // in-memory journal can use before it needs to snapshot
     private int snapshotDataThresholdPercentage = 12;
 
+    private int snaphotChunkSize = SNAPSHOT_CHUNK_SIZE;
+
     private long electionTimeoutFactor = 2;
+    private String customRaftPolicyImplementationClass;
+
+    Supplier<RaftPolicy> policySupplier = Suppliers.memoize(new PolicySupplier());
 
     public void setHeartBeatInterval(FiniteDuration heartBeatInterval) {
         this.heartBeatInterval = heartBeatInterval;
+        electionTimeOutInterval = null;
     }
 
     public void setSnapshotBatchCount(long snapshotBatchCount) {
@@ -62,6 +78,10 @@ public class DefaultConfigParamsImpl implements ConfigParams {
         this.snapshotDataThresholdPercentage = snapshotDataThresholdPercentage;
     }
 
+    public void setSnaphotChunkSize(int snaphotChunkSize) {
+        this.snaphotChunkSize = snaphotChunkSize;
+    }
+
     public void setJournalRecoveryLogBatchSize(int journalRecoveryLogBatchSize) {
         this.journalRecoveryLogBatchSize = journalRecoveryLogBatchSize;
     }
@@ -72,6 +92,11 @@ public class DefaultConfigParamsImpl implements ConfigParams {
 
     public void setElectionTimeoutFactor(long electionTimeoutFactor){
         this.electionTimeoutFactor = electionTimeoutFactor;
+        electionTimeOutInterval = null;
+    }
+
+    public void setCustomRaftPolicyImplementationClass(String customRaftPolicyImplementationClass){
+        this.customRaftPolicyImplementationClass = customRaftPolicyImplementationClass;
     }
 
     @Override
@@ -92,7 +117,11 @@ public class DefaultConfigParamsImpl implements ConfigParams {
 
     @Override
     public FiniteDuration getElectionTimeOutInterval() {
-        return getHeartBeatInterval().$times(electionTimeoutFactor);
+        if(electionTimeOutInterval == null) {
+            electionTimeOutInterval = getHeartBeatInterval().$times(electionTimeoutFactor);
+        }
+
+        return electionTimeOutInterval;
     }
 
     @Override
@@ -102,7 +131,7 @@ public class DefaultConfigParamsImpl implements ConfigParams {
 
     @Override
     public int getSnapshotChunkSize() {
-        return SNAPSHOT_CHUNK_SIZE;
+        return snaphotChunkSize;
     }
 
     @Override
@@ -119,4 +148,31 @@ public class DefaultConfigParamsImpl implements ConfigParams {
     public long getElectionTimeoutFactor() {
         return electionTimeoutFactor;
     }
+
+    @Override
+    public RaftPolicy getRaftPolicy() {
+        return policySupplier.get();
+    }
+
+    private class PolicySupplier implements Supplier<RaftPolicy>{
+        @Override
+        public RaftPolicy get() {
+            if(Strings.isNullOrEmpty(DefaultConfigParamsImpl.this.customRaftPolicyImplementationClass)){
+                return DefaultRaftPolicy.INSTANCE;
+            }
+            try {
+                String className = DefaultConfigParamsImpl.this.customRaftPolicyImplementationClass;
+                Class c = Class.forName(className);
+                RaftPolicy obj = (RaftPolicy)c.newInstance();
+                return obj;
+            } catch (Exception e) {
+                if(LOG.isDebugEnabled()) {
+                    LOG.error("Could not create custom raft policy, will stick with default", e);
+                } else {
+                    LOG.error("Could not create custom raft policy, will stick with default : cause = {}", e.getMessage());
+                }
+            }
+            return DefaultRaftPolicy.INSTANCE;
+        }
+    }
 }