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=317ce6a220854f262dce8e5e65678223d6117ab9;hp=d4d13899eb770e4ee8bb88a634dd85ec2cfb7bbc;hb=000960f6451af770f5463e41e1fb6defb6f3ab27;hpb=412db94945c5db5d2da918f5e23bd3abcecc4d10

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 d4d13899eb..317ce6a220 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
@@ -7,22 +7,31 @@
  */
 package org.opendaylight.controller.cluster.raft;
 
+import com.google.common.base.Preconditions;
+import com.google.common.base.Strings;
+import com.google.common.base.Supplier;
+import com.google.common.base.Suppliers;
 import java.util.concurrent.TimeUnit;
+import javax.annotation.Nonnull;
+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;
 
 /**
- * Default implementation of the ConfigParams
- *
- * If no implementation is provided for ConfigParams, then this will be used.
+ * Default implementation of the ConfigParams.
  */
 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;
 
     /**
-     * The maximum election time variance
+     * The maximum election time variance.
      */
     private static final int ELECTION_TIME_MAX_VARIANCE = 100;
 
@@ -31,8 +40,9 @@ public class DefaultConfigParamsImpl implements ConfigParams {
 
     /**
      * The interval at which a heart beat message will be sent to the remote
-     * RaftActor
-     * <p/>
+     * RaftActor.
+     *
+     * <p>
      * Since this is set to 100 milliseconds the Election timeout should be
      * at least 200 milliseconds
      */
@@ -49,7 +59,14 @@ public class DefaultConfigParamsImpl implements ConfigParams {
     // in-memory journal can use before it needs to snapshot
     private int snapshotDataThresholdPercentage = 12;
 
+    private int snapshotChunkSize = SNAPSHOT_CHUNK_SIZE;
+
     private long electionTimeoutFactor = 2;
+    private String customRaftPolicyImplementationClass;
+
+    private final Supplier<RaftPolicy> policySupplier = Suppliers.memoize(new PolicySupplier());
+
+    private PeerAddressResolver peerAddressResolver = NoopPeerAddressResolver.INSTANCE;
 
     public void setHeartBeatInterval(FiniteDuration heartBeatInterval) {
         this.heartBeatInterval = heartBeatInterval;
@@ -60,10 +77,14 @@ public class DefaultConfigParamsImpl implements ConfigParams {
         this.snapshotBatchCount = snapshotBatchCount;
     }
 
-    public void setSnapshotDataThresholdPercentage(int snapshotDataThresholdPercentage){
+    public void setSnapshotDataThresholdPercentage(int snapshotDataThresholdPercentage) {
         this.snapshotDataThresholdPercentage = snapshotDataThresholdPercentage;
     }
 
+    public void setSnapshotChunkSize(int snapshotChunkSize) {
+        this.snapshotChunkSize = snapshotChunkSize;
+    }
+
     public void setJournalRecoveryLogBatchSize(int journalRecoveryLogBatchSize) {
         this.journalRecoveryLogBatchSize = journalRecoveryLogBatchSize;
     }
@@ -72,11 +93,20 @@ public class DefaultConfigParamsImpl implements ConfigParams {
         this.isolatedLeaderCheckInterval = isolatedLeaderCheckInterval.toMillis();
     }
 
-    public void setElectionTimeoutFactor(long electionTimeoutFactor){
+    public void setElectionTimeoutFactor(long electionTimeoutFactor) {
         this.electionTimeoutFactor = electionTimeoutFactor;
         electionTimeOutInterval = null;
     }
 
+    public void setCustomRaftPolicyImplementationClass(String customRaftPolicyImplementationClass) {
+        this.customRaftPolicyImplementationClass = customRaftPolicyImplementationClass;
+    }
+
+    @Override
+    public String getCustomRaftPolicyImplementationClass() {
+        return customRaftPolicyImplementationClass;
+    }
+
     @Override
     public long getSnapshotBatchCount() {
         return snapshotBatchCount;
@@ -95,7 +125,7 @@ public class DefaultConfigParamsImpl implements ConfigParams {
 
     @Override
     public FiniteDuration getElectionTimeOutInterval() {
-        if(electionTimeOutInterval == null) {
+        if (electionTimeOutInterval == null) {
             electionTimeOutInterval = getHeartBeatInterval().$times(electionTimeoutFactor);
         }
 
@@ -109,7 +139,7 @@ public class DefaultConfigParamsImpl implements ConfigParams {
 
     @Override
     public int getSnapshotChunkSize() {
-        return SNAPSHOT_CHUNK_SIZE;
+        return snapshotChunkSize;
     }
 
     @Override
@@ -126,4 +156,43 @@ public class DefaultConfigParamsImpl implements ConfigParams {
     public long getElectionTimeoutFactor() {
         return electionTimeoutFactor;
     }
+
+    @Override
+    public RaftPolicy getRaftPolicy() {
+        return policySupplier.get();
+    }
+
+    private class PolicySupplier implements Supplier<RaftPolicy> {
+        @Override
+        @SuppressWarnings("checkstyle:IllegalCatch")
+        public RaftPolicy get() {
+            if (Strings.isNullOrEmpty(DefaultConfigParamsImpl.this.customRaftPolicyImplementationClass)) {
+                LOG.debug("No custom RaftPolicy specified. Using DefaultRaftPolicy");
+                return DefaultRaftPolicy.INSTANCE;
+            }
+
+            try {
+                String className = DefaultConfigParamsImpl.this.customRaftPolicyImplementationClass;
+                LOG.info("Trying to use custom RaftPolicy {}", className);
+                return (RaftPolicy)Class.forName(className).newInstance();
+            } 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;
+        }
+    }
+
+    @Override
+    public PeerAddressResolver getPeerAddressResolver() {
+        return peerAddressResolver;
+    }
+
+    public void setPeerAddressResolver(@Nonnull PeerAddressResolver peerAddressResolver) {
+        this.peerAddressResolver = Preconditions.checkNotNull(peerAddressResolver);
+    }
 }