Add support for root DTCL listening on all shards in DS

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DatastoreContext.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DatastoreContext.java
index 1a46e3d4525f10f4bc616153e1f74733eeb81192..e6d8ed84573d0094e222b38f0088a8175c953280 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DatastoreContext.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DatastoreContext.java
@@ -7,9 +7,11 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Objects.requireNonNull;
+
 import akka.util.Timeout;
 import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Preconditions;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.TimeUnit;
@@ -49,6 +51,7 @@ public class DatastoreContext implements ClientActorConfig {
     public static final int DEFAULT_SHARD_TX_COMMIT_QUEUE_CAPACITY = 50000;
     public static final Timeout DEFAULT_SHARD_INITIALIZATION_TIMEOUT = new Timeout(5, TimeUnit.MINUTES);
     public static final Timeout DEFAULT_SHARD_LEADER_ELECTION_TIMEOUT = new Timeout(30, TimeUnit.SECONDS);
+    public static final int DEFAULT_INITIAL_SETTLE_TIMEOUT_MULTIPLIER = 3;
     public static final boolean DEFAULT_PERSISTENT = true;
     public static final FileAkkaConfigurationReader DEFAULT_CONFIGURATION_READER = new FileAkkaConfigurationReader();
     public static final int DEFAULT_SHARD_SNAPSHOT_DATA_THRESHOLD_PERCENTAGE = 12;
@@ -78,12 +81,13 @@ public class DatastoreContext implements ClientActorConfig {
     private int shardTransactionCommitQueueCapacity = DEFAULT_SHARD_TX_COMMIT_QUEUE_CAPACITY;
     private Timeout shardInitializationTimeout = DEFAULT_SHARD_INITIALIZATION_TIMEOUT;
     private Timeout shardLeaderElectionTimeout = DEFAULT_SHARD_LEADER_ELECTION_TIMEOUT;
+    private int initialSettleTimeoutMultiplier = DEFAULT_INITIAL_SETTLE_TIMEOUT_MULTIPLIER;
     private boolean persistent = DEFAULT_PERSISTENT;
     private AkkaConfigurationReader configurationReader = DEFAULT_CONFIGURATION_READER;
     private long transactionCreationInitialRateLimit = DEFAULT_TX_CREATION_INITIAL_RATE_LIMIT;
     private String dataStoreName = UNKNOWN_DATA_STORE_TYPE;
     private LogicalDatastoreType logicalStoreType = LogicalDatastoreType.OPERATIONAL;
-    private YangInstanceIdentifier storeRoot = YangInstanceIdentifier.EMPTY;
+    private YangInstanceIdentifier storeRoot = YangInstanceIdentifier.empty();
     private int shardBatchedModificationCount = DEFAULT_SHARD_BATCHED_MODIFICATION_COUNT;
     private boolean writeOnlyTransactionOptimizationsEnabled = true;
     private long shardCommitQueueExpiryTimeoutInMillis = DEFAULT_SHARD_COMMIT_QUEUE_EXPIRY_TIMEOUT_IN_MS;
@@ -121,6 +125,7 @@ public class DatastoreContext implements ClientActorConfig {
         this.shardTransactionCommitQueueCapacity = other.shardTransactionCommitQueueCapacity;
         this.shardInitializationTimeout = other.shardInitializationTimeout;
         this.shardLeaderElectionTimeout = other.shardLeaderElectionTimeout;
+        this.initialSettleTimeoutMultiplier = other.initialSettleTimeoutMultiplier;
         this.persistent = other.persistent;
         this.configurationReader = other.configurationReader;
         this.transactionCreationInitialRateLimit = other.transactionCreationInitialRateLimit;
@@ -198,6 +203,16 @@ public class DatastoreContext implements ClientActorConfig {
         return shardLeaderElectionTimeout;
     }
 
+    /**
+     * Return the multiplier of {@link #getShardLeaderElectionTimeout()} which the frontend will wait for all shards
+     * on the local node to settle.
+     *
+     * @return Non-negative multiplier. Value of {@code 0} indicates to wait indefinitely.
+     */
+    public int getInitialSettleTimeoutMultiplier() {
+        return initialSettleTimeoutMultiplier;
+    }
+
     public boolean isPersistent() {
         return persistent;
     }
@@ -280,8 +295,7 @@ public class DatastoreContext implements ClientActorConfig {
     }
 
     private void setSnapshotDataThresholdPercentage(final int shardSnapshotDataThresholdPercentage) {
-        Preconditions.checkArgument(shardSnapshotDataThresholdPercentage >= 0
-                && shardSnapshotDataThresholdPercentage <= 100);
+        checkArgument(shardSnapshotDataThresholdPercentage >= 0 && shardSnapshotDataThresholdPercentage <= 100);
         raftConfig.setSnapshotDataThresholdPercentage(shardSnapshotDataThresholdPercentage);
     }
 
@@ -456,6 +470,12 @@ public class DatastoreContext implements ClientActorConfig {
             return this;
         }
 
+        public Builder initialSettleTimeoutMultiplier(final int multiplier) {
+            checkArgument(multiplier >= 0);
+            datastoreContext.initialSettleTimeoutMultiplier = multiplier;
+            return this;
+        }
+
         public Builder shardLeaderElectionTimeoutInSeconds(final long timeout) {
             return shardLeaderElectionTimeout(timeout, TimeUnit.SECONDS);
         }
@@ -491,7 +511,7 @@ public class DatastoreContext implements ClientActorConfig {
         }
 
         public Builder logicalStoreType(final LogicalDatastoreType logicalStoreType) {
-            datastoreContext.logicalStoreType = Preconditions.checkNotNull(logicalStoreType);
+            datastoreContext.logicalStoreType = requireNonNull(logicalStoreType);
 
             // Retain compatible naming
             switch (logicalStoreType) {
@@ -514,7 +534,7 @@ public class DatastoreContext implements ClientActorConfig {
         }
 
         public Builder dataStoreName(final String dataStoreName) {
-            datastoreContext.dataStoreName = Preconditions.checkNotNull(dataStoreName);
+            datastoreContext.dataStoreName = requireNonNull(dataStoreName);
             datastoreContext.dataStoreMXBeanType = "Distributed" + WordUtils.capitalize(dataStoreName) + "Datastore";
             return this;
         }