Make Shutdown message a proper singleton

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / utils / ActorContext.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ActorContext.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ActorContext.java
index b07cf28a7d7f03fe5de3abd7ca8c24c666e6c539..37726d201b1a80de0e03643b2e2ccabbf7639c39 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ActorContext.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ActorContext.java
@@ -14,10 +14,10 @@ import akka.actor.ActorRef;
 import akka.actor.ActorSelection;
 import akka.actor.ActorSystem;
 import akka.actor.Address;
-import akka.actor.PoisonPill;
 import akka.dispatch.Mapper;
 import akka.dispatch.OnComplete;
 import akka.pattern.AskTimeoutException;
+import akka.pattern.Patterns;
 import akka.util.Timeout;
 import com.codahale.metrics.MetricRegistry;
 import com.codahale.metrics.Timer;
@@ -25,10 +25,12 @@ import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
 import java.util.concurrent.TimeUnit;
+import java.util.function.Function;
 import org.opendaylight.controller.cluster.datastore.ClusterWrapper;
-import org.opendaylight.controller.cluster.datastore.Configuration;
 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
+import org.opendaylight.controller.cluster.datastore.DatastoreContextFactory;
+import org.opendaylight.controller.cluster.datastore.config.Configuration;
 import org.opendaylight.controller.cluster.datastore.exceptions.LocalShardNotFoundException;
 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
 import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
@@ -43,6 +45,8 @@ import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound
 import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
 import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
 import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
+import org.opendaylight.controller.cluster.datastore.shardstrategy.ShardStrategyFactory;
+import org.opendaylight.controller.cluster.raft.client.messages.Shutdown;
 import org.opendaylight.controller.cluster.reporting.MetricsReporter;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
@@ -100,6 +104,7 @@ public class ActorContext {
     private final MetricRegistry metricRegistry = MetricsReporter.getInstance(DatastoreContext.METRICS_DOMAIN).getMetricsRegistry();
 
     private final PrimaryShardInfoFutureCache primaryShardInfoCache;
+    private final ShardStrategyFactory shardStrategyFactory;
 
     public ActorContext(ActorSystem actorSystem, ActorRef shardManager,
             ClusterWrapper clusterWrapper, Configuration configuration) {
@@ -117,6 +122,7 @@ public class ActorContext {
         this.datastoreContext = datastoreContext;
         this.dispatchers = new Dispatchers(actorSystem.dispatchers());
         this.primaryShardInfoCache = primaryShardInfoCache;
+        this.shardStrategyFactory = new ShardStrategyFactory(configuration);
 
         setCachedProperties();
 
@@ -132,7 +138,7 @@ public class ActorContext {
     private void setCachedProperties() {
         txRateLimiter = new TransactionRateLimiter(this);
 
-        operationDuration = Duration.create(datastoreContext.getOperationTimeoutInSeconds(), TimeUnit.SECONDS);
+        operationDuration = Duration.create(datastoreContext.getOperationTimeoutInMillis(), TimeUnit.MILLISECONDS);
         operationTimeout = new Timeout(operationDuration);
 
         transactionCommitOperationTimeout =  new Timeout(Duration.create(
@@ -169,8 +175,8 @@ public class ActorContext {
         }
     }
 
-    public void setDatastoreContext(DatastoreContext context) {
-        this.datastoreContext = context;
+    public void setDatastoreContext(DatastoreContextFactory contextFactory) {
+        this.datastoreContext = contextFactory.getBaseDatastoreContext();
         setCachedProperties();
 
         // We write the 'updated' volatile to trigger a write memory barrier so that the writes above
@@ -183,7 +189,7 @@ public class ActorContext {
         updated = true;
 
         if(shardManager != null) {
-            shardManager.tell(context, ActorRef.noSender());
+            shardManager.tell(contextFactory, ActorRef.noSender());
         }
     }
 
@@ -373,7 +379,12 @@ public class ActorContext {
     }
 
     public void shutdown() {
-        shardManager.tell(PoisonPill.getInstance(), ActorRef.noSender());
+        FiniteDuration duration = datastoreContext.getShardRaftConfig().getElectionTimeOutInterval().$times(3);
+        try {
+            Await.ready(Patterns.gracefulStop(shardManager, duration, Shutdown.INSTANCE), duration);
+        } catch(Exception e) {
+            LOG.warn("ShardManager for {} data store did not shutdown gracefully", getDataStoreName(), e);
+        }
     }
 
     public ClusterWrapper getClusterWrapper() {
@@ -389,13 +400,14 @@ public class ActorContext {
      *
      * @param message
      */
-    public void broadcast(final Object message){
+    public void broadcast(final Function<Short, Object> messageSupplier){
         for(final String shardName : configuration.getAllShardNames()){
 
             Future<PrimaryShardInfo> primaryFuture = findPrimaryShardAsync(shardName);
             primaryFuture.onComplete(new OnComplete<PrimaryShardInfo>() {
                 @Override
                 public void onComplete(Throwable failure, PrimaryShardInfo primaryShardInfo) {
+                    Object message = messageSupplier.apply(primaryShardInfo.getPrimaryShardVersion());
                     if(failure != null) {
                         LOG.warn("broadcast failed to send message {} to shard {}:  {}",
                                 message.getClass().getSimpleName(), shardName, failure);
@@ -411,6 +423,10 @@ public class ActorContext {
         return operationDuration;
     }
 
+    public Timeout getOperationTimeout() {
+        return operationTimeout;
+    }
+
     public boolean isPathLocal(String path) {
         if (Strings.isNullOrEmpty(path)) {
             return false;
@@ -438,30 +454,6 @@ public class ActorContext {
         }
     }
 
-    /**
-     * @deprecated This method is present only to support backward compatibility with Helium and should not be
-     * used any further
-     *
-     *
-     * @param primaryPath
-     * @param localPathOfRemoteActor
-     * @return
-    */
-    @Deprecated
-    public String resolvePath(final String primaryPath,
-                                            final String localPathOfRemoteActor) {
-        StringBuilder builder = new StringBuilder();
-        String[] primaryPathElements = primaryPath.split("/");
-        builder.append(primaryPathElements[0]).append("//")
-            .append(primaryPathElements[1]).append(primaryPathElements[2]);
-        String[] remotePathElements = localPathOfRemoteActor.split("/");
-        for (int i = 3; i < remotePathElements.length; i++) {
-                builder.append("/").append(remotePathElements[i]);
-            }
-
-        return builder.toString();
-    }
-
     /**
      * This is a utility method that lets us get a Timer object for any operation. This is a little open-ended to allow
      * us to create a timer for pretty much anything.
@@ -470,7 +462,7 @@ public class ActorContext {
      * @return
      */
     public Timer getOperationTimer(String operationName){
-        return getOperationTimer(datastoreContext.getDataStoreType(), operationName);
+        return getOperationTimer(datastoreContext.getDataStoreName(), operationName);
     }
 
     public Timer getOperationTimer(String dataStoreType, String operationName){
@@ -480,12 +472,12 @@ public class ActorContext {
     }
 
     /**
-     * Get the type of the data store to which this ActorContext belongs
+     * Get the name of the data store to which this ActorContext belongs
      *
      * @return
      */
-    public String getDataStoreType() {
-        return datastoreContext.getDataStoreType();
+    public String getDataStoreName() {
+        return datastoreContext.getDataStoreName();
     }
 
     /**
@@ -528,6 +520,10 @@ public class ActorContext {
         return configuration;
     }
 
+    public ShardStrategyFactory getShardStrategyFactory() {
+        return shardStrategyFactory;
+    }
+
     protected Future<Object> doAsk(ActorRef actorRef, Object message, Timeout timeout){
         return ask(actorRef, message, timeout);
     }