BUG 2138: Introduce prefix based shards into ShardManager
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / DatastoreContext.java
index cee781fb88e535a04251f66b948e1d1123169a5c..a81806bc1086b66ff4400ced5e6d5355dc2be30a 100644 (file)
@@ -9,13 +9,20 @@
 package org.opendaylight.controller.cluster.datastore;
 
 import akka.util.Timeout;
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.Sets;
+import java.util.Set;
 import java.util.concurrent.TimeUnit;
 import org.apache.commons.lang3.text.WordUtils;
-import org.opendaylight.controller.cluster.datastore.config.ConfigurationReader;
-import org.opendaylight.controller.cluster.datastore.config.FileConfigurationReader;
+import org.opendaylight.controller.cluster.common.actor.AkkaConfigurationReader;
+import org.opendaylight.controller.cluster.common.actor.FileAkkaConfigurationReader;
 import org.opendaylight.controller.cluster.raft.ConfigParams;
 import org.opendaylight.controller.cluster.raft.DefaultConfigParamsImpl;
+import org.opendaylight.controller.cluster.raft.PeerAddressResolver;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
 import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStoreConfigProperties;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import scala.concurrent.duration.Duration;
 import scala.concurrent.duration.FiniteDuration;
 
@@ -25,48 +32,105 @@ import scala.concurrent.duration.FiniteDuration;
  * @author Thomas Pantelis
  */
 public class DatastoreContext {
+    public static final String METRICS_DOMAIN = "org.opendaylight.controller.cluster.datastore";
 
     public static final Duration DEFAULT_SHARD_TRANSACTION_IDLE_TIMEOUT = Duration.create(10, TimeUnit.MINUTES);
-    public static final int DEFAULT_OPERATION_TIMEOUT_IN_SECONDS = 5;
+    public static final int DEFAULT_OPERATION_TIMEOUT_IN_MS = 5000;
     public static final int DEFAULT_SHARD_TX_COMMIT_TIMEOUT_IN_SECONDS = 30;
-    public static final int DEFAULT_JOURNAL_RECOVERY_BATCH_SIZE = 1000;
+    public static final int DEFAULT_JOURNAL_RECOVERY_BATCH_SIZE = 1;
     public static final int DEFAULT_SNAPSHOT_BATCH_COUNT = 20000;
     public static final int DEFAULT_HEARTBEAT_INTERVAL_IN_MILLIS = 500;
-    public static final int DEFAULT_ISOLATED_LEADER_CHECK_INTERVAL_IN_MILLIS = DEFAULT_HEARTBEAT_INTERVAL_IN_MILLIS * 10;
-    public static final int DEFAULT_SHARD_TX_COMMIT_QUEUE_CAPACITY = 20000;
+    public static final int DEFAULT_ISOLATED_LEADER_CHECK_INTERVAL_IN_MILLIS =
+            DEFAULT_HEARTBEAT_INTERVAL_IN_MILLIS * 10;
+    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 boolean DEFAULT_PERSISTENT = true;
-    public static final FileConfigurationReader DEFAULT_CONFIGURATION_READER = new FileConfigurationReader();
+    public static final FileAkkaConfigurationReader DEFAULT_CONFIGURATION_READER = new FileAkkaConfigurationReader();
     public static final int DEFAULT_SHARD_SNAPSHOT_DATA_THRESHOLD_PERCENTAGE = 12;
     public static final int DEFAULT_SHARD_ELECTION_TIMEOUT_FACTOR = 2;
     public static final int DEFAULT_TX_CREATION_INITIAL_RATE_LIMIT = 100;
     public static final String UNKNOWN_DATA_STORE_TYPE = "unknown";
+    public static final int DEFAULT_SHARD_BATCHED_MODIFICATION_COUNT = 1000;
+    public static final long DEFAULT_SHARD_COMMIT_QUEUE_EXPIRY_TIMEOUT_IN_MS =
+            TimeUnit.MILLISECONDS.convert(2, TimeUnit.MINUTES);
+    public static final int DEFAULT_SHARD_SNAPSHOT_CHUNK_SIZE = 2048000;
+
+    private static final Set<String> GLOBAL_DATASTORE_NAMES = Sets.newConcurrentHashSet();
 
     private InMemoryDOMDataStoreConfigProperties dataStoreProperties;
     private Duration shardTransactionIdleTimeout = DatastoreContext.DEFAULT_SHARD_TRANSACTION_IDLE_TIMEOUT;
-    private int operationTimeoutInSeconds = DEFAULT_OPERATION_TIMEOUT_IN_SECONDS;
+    private long operationTimeoutInMillis = DEFAULT_OPERATION_TIMEOUT_IN_MS;
     private String dataStoreMXBeanType;
     private int shardTransactionCommitTimeoutInSeconds = DEFAULT_SHARD_TX_COMMIT_TIMEOUT_IN_SECONDS;
     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 boolean persistent = DEFAULT_PERSISTENT;
-    private ConfigurationReader configurationReader = DEFAULT_CONFIGURATION_READER;
+    private AkkaConfigurationReader configurationReader = DEFAULT_CONFIGURATION_READER;
     private long transactionCreationInitialRateLimit = DEFAULT_TX_CREATION_INITIAL_RATE_LIMIT;
-    private DefaultConfigParamsImpl raftConfig = new DefaultConfigParamsImpl();
-    private String dataStoreType = UNKNOWN_DATA_STORE_TYPE;
+    private final DefaultConfigParamsImpl raftConfig = new DefaultConfigParamsImpl();
+    private String dataStoreName = UNKNOWN_DATA_STORE_TYPE;
+    private LogicalDatastoreType logicalStoreType = LogicalDatastoreType.OPERATIONAL;
+    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;
+    private boolean transactionDebugContextEnabled = false;
+    private String shardManagerPersistenceId;
+
+    public static Set<String> getGlobalDatastoreNames() {
+        return GLOBAL_DATASTORE_NAMES;
+    }
 
-    private DatastoreContext(){
+    private DatastoreContext() {
         setShardJournalRecoveryLogBatchSize(DEFAULT_JOURNAL_RECOVERY_BATCH_SIZE);
         setSnapshotBatchCount(DEFAULT_SNAPSHOT_BATCH_COUNT);
         setHeartbeatInterval(DEFAULT_HEARTBEAT_INTERVAL_IN_MILLIS);
         setIsolatedLeaderCheckInterval(DEFAULT_ISOLATED_LEADER_CHECK_INTERVAL_IN_MILLIS);
         setSnapshotDataThresholdPercentage(DEFAULT_SHARD_SNAPSHOT_DATA_THRESHOLD_PERCENTAGE);
+        setElectionTimeoutFactor(DEFAULT_SHARD_ELECTION_TIMEOUT_FACTOR);
+        setShardSnapshotChunkSize(DEFAULT_SHARD_SNAPSHOT_CHUNK_SIZE);
+    }
+
+    private DatastoreContext(final DatastoreContext other) {
+        this.dataStoreProperties = other.dataStoreProperties;
+        this.shardTransactionIdleTimeout = other.shardTransactionIdleTimeout;
+        this.operationTimeoutInMillis = other.operationTimeoutInMillis;
+        this.dataStoreMXBeanType = other.dataStoreMXBeanType;
+        this.shardTransactionCommitTimeoutInSeconds = other.shardTransactionCommitTimeoutInSeconds;
+        this.shardTransactionCommitQueueCapacity = other.shardTransactionCommitQueueCapacity;
+        this.shardInitializationTimeout = other.shardInitializationTimeout;
+        this.shardLeaderElectionTimeout = other.shardLeaderElectionTimeout;
+        this.persistent = other.persistent;
+        this.configurationReader = other.configurationReader;
+        this.transactionCreationInitialRateLimit = other.transactionCreationInitialRateLimit;
+        this.dataStoreName = other.dataStoreName;
+        this.logicalStoreType = other.logicalStoreType;
+        this.storeRoot = other.storeRoot;
+        this.shardBatchedModificationCount = other.shardBatchedModificationCount;
+        this.writeOnlyTransactionOptimizationsEnabled = other.writeOnlyTransactionOptimizationsEnabled;
+        this.shardCommitQueueExpiryTimeoutInMillis = other.shardCommitQueueExpiryTimeoutInMillis;
+        this.transactionDebugContextEnabled = other.transactionDebugContextEnabled;
+        this.shardManagerPersistenceId = other.shardManagerPersistenceId;
+
+        setShardJournalRecoveryLogBatchSize(other.raftConfig.getJournalRecoveryLogBatchSize());
+        setSnapshotBatchCount(other.raftConfig.getSnapshotBatchCount());
+        setHeartbeatInterval(other.raftConfig.getHeartBeatInterval().toMillis());
+        setIsolatedLeaderCheckInterval(other.raftConfig.getIsolatedCheckIntervalInMillis());
+        setSnapshotDataThresholdPercentage(other.raftConfig.getSnapshotDataThresholdPercentage());
+        setElectionTimeoutFactor(other.raftConfig.getElectionTimeoutFactor());
+        setCustomRaftPolicyImplementation(other.raftConfig.getCustomRaftPolicyImplementationClass());
+        setShardSnapshotChunkSize(other.raftConfig.getSnapshotChunkSize());
+        setPeerAddressResolver(other.raftConfig.getPeerAddressResolver());
     }
 
     public static Builder newBuilder() {
-        return new Builder();
+        return new Builder(new DatastoreContext());
+    }
+
+    public static Builder newBuilderFrom(DatastoreContext context) {
+        return new Builder(new DatastoreContext(context));
     }
 
     public InMemoryDOMDataStoreConfigProperties getDataStoreProperties() {
@@ -81,8 +145,8 @@ public class DatastoreContext {
         return dataStoreMXBeanType;
     }
 
-    public int getOperationTimeoutInSeconds() {
-        return operationTimeoutInSeconds;
+    public long getOperationTimeoutInMillis() {
+        return operationTimeoutInMillis;
     }
 
     public ConfigParams getShardRaftConfig() {
@@ -109,28 +173,44 @@ public class DatastoreContext {
         return persistent;
     }
 
-    public ConfigurationReader getConfigurationReader() {
+    public AkkaConfigurationReader getConfigurationReader() {
         return configurationReader;
     }
 
-    public long getShardElectionTimeoutFactor(){
+    public long getShardElectionTimeoutFactor() {
         return raftConfig.getElectionTimeoutFactor();
     }
 
-    public String getDataStoreType(){
-        return dataStoreType;
+    public String getDataStoreName() {
+        return dataStoreName;
+    }
+
+    public LogicalDatastoreType getLogicalStoreType() {
+        return logicalStoreType;
+    }
+
+    public YangInstanceIdentifier getStoreRoot() {
+        return storeRoot;
     }
 
     public long getTransactionCreationInitialRateLimit() {
         return transactionCreationInitialRateLimit;
     }
 
-    private void setHeartbeatInterval(long shardHeartbeatIntervalInMillis){
+    public String getShardManagerPersistenceId() {
+        return shardManagerPersistenceId;
+    }
+
+    private void setPeerAddressResolver(PeerAddressResolver resolver) {
+        raftConfig.setPeerAddressResolver(resolver);
+    }
+
+    private void setHeartbeatInterval(long shardHeartbeatIntervalInMillis) {
         raftConfig.setHeartBeatInterval(new FiniteDuration(shardHeartbeatIntervalInMillis,
                 TimeUnit.MILLISECONDS));
     }
 
-    private void setShardJournalRecoveryLogBatchSize(int shardJournalRecoveryLogBatchSize){
+    private void setShardJournalRecoveryLogBatchSize(int shardJournalRecoveryLogBatchSize) {
         raftConfig.setJournalRecoveryLogBatchSize(shardJournalRecoveryLogBatchSize);
     }
 
@@ -144,34 +224,102 @@ public class DatastoreContext {
         raftConfig.setElectionTimeoutFactor(shardElectionTimeoutFactor);
     }
 
+    private void setCustomRaftPolicyImplementation(String customRaftPolicyImplementation) {
+        raftConfig.setCustomRaftPolicyImplementationClass(customRaftPolicyImplementation);
+    }
+
     private void setSnapshotDataThresholdPercentage(int shardSnapshotDataThresholdPercentage) {
+        Preconditions.checkArgument(shardSnapshotDataThresholdPercentage >= 0
+                && shardSnapshotDataThresholdPercentage <= 100);
         raftConfig.setSnapshotDataThresholdPercentage(shardSnapshotDataThresholdPercentage);
     }
 
-    private void setSnapshotBatchCount(int shardSnapshotBatchCount) {
+    private void setSnapshotBatchCount(long shardSnapshotBatchCount) {
         raftConfig.setSnapshotBatchCount(shardSnapshotBatchCount);
     }
 
+    private void setShardSnapshotChunkSize(int shardSnapshotChunkSize) {
+        raftConfig.setSnapshotChunkSize(shardSnapshotChunkSize);
+    }
+
+    public int getShardBatchedModificationCount() {
+        return shardBatchedModificationCount;
+    }
+
+    public boolean isWriteOnlyTransactionOptimizationsEnabled() {
+        return writeOnlyTransactionOptimizationsEnabled;
+    }
+
+    public long getShardCommitQueueExpiryTimeoutInMillis() {
+        return shardCommitQueueExpiryTimeoutInMillis;
+    }
+
+    public boolean isTransactionDebugContextEnabled() {
+        return transactionDebugContextEnabled;
+    }
+
+    public int getShardSnapshotChunkSize() {
+        return raftConfig.getSnapshotChunkSize();
+    }
+
     public static class Builder {
-        private DatastoreContext datastoreContext = new DatastoreContext();
+        private final DatastoreContext datastoreContext;
+        private int maxShardDataChangeExecutorPoolSize =
+                InMemoryDOMDataStoreConfigProperties.DEFAULT_MAX_DATA_CHANGE_EXECUTOR_POOL_SIZE;
+        private int maxShardDataChangeExecutorQueueSize =
+                InMemoryDOMDataStoreConfigProperties.DEFAULT_MAX_DATA_CHANGE_EXECUTOR_QUEUE_SIZE;
+        private int maxShardDataChangeListenerQueueSize =
+                InMemoryDOMDataStoreConfigProperties.DEFAULT_MAX_DATA_CHANGE_LISTENER_QUEUE_SIZE;
+        private int maxShardDataStoreExecutorQueueSize =
+                InMemoryDOMDataStoreConfigProperties.DEFAULT_MAX_DATA_STORE_EXECUTOR_QUEUE_SIZE;
+
+        private Builder(DatastoreContext datastoreContext) {
+            this.datastoreContext = datastoreContext;
+
+            if (datastoreContext.getDataStoreProperties() != null) {
+                maxShardDataChangeExecutorPoolSize =
+                        datastoreContext.getDataStoreProperties().getMaxDataChangeExecutorPoolSize();
+                maxShardDataChangeExecutorQueueSize =
+                        datastoreContext.getDataStoreProperties().getMaxDataChangeExecutorQueueSize();
+                maxShardDataChangeListenerQueueSize =
+                        datastoreContext.getDataStoreProperties().getMaxDataChangeListenerQueueSize();
+                maxShardDataStoreExecutorQueueSize =
+                        datastoreContext.getDataStoreProperties().getMaxDataStoreExecutorQueueSize();
+            }
+        }
+
+        public Builder boundedMailboxCapacity(int boundedMailboxCapacity) {
+            // TODO - this is defined in the yang DataStoreProperties but not currently used.
+            return this;
+        }
+
+        public Builder enableMetricCapture(boolean enableMetricCapture) {
+            // TODO - this is defined in the yang DataStoreProperties but not currently used.
+            return this;
+        }
+
 
-        public Builder shardTransactionIdleTimeout(Duration shardTransactionIdleTimeout) {
-            datastoreContext.shardTransactionIdleTimeout = shardTransactionIdleTimeout;
+        public Builder shardTransactionIdleTimeout(long timeout, TimeUnit unit) {
+            datastoreContext.shardTransactionIdleTimeout = Duration.create(timeout, unit);
             return this;
         }
 
+        public Builder shardTransactionIdleTimeoutInMinutes(long timeout) {
+            return shardTransactionIdleTimeout(timeout, TimeUnit.MINUTES);
+        }
+
         public Builder operationTimeoutInSeconds(int operationTimeoutInSeconds) {
-            datastoreContext.operationTimeoutInSeconds = operationTimeoutInSeconds;
+            datastoreContext.operationTimeoutInMillis = TimeUnit.SECONDS.toMillis(operationTimeoutInSeconds);
             return this;
         }
 
-        public Builder dataStoreMXBeanType(String dataStoreMXBeanType) {
-            datastoreContext.dataStoreMXBeanType = dataStoreMXBeanType;
+        public Builder operationTimeoutInMillis(long operationTimeoutInMillis) {
+            datastoreContext.operationTimeoutInMillis = operationTimeoutInMillis;
             return this;
         }
 
-        public Builder dataStoreProperties(InMemoryDOMDataStoreConfigProperties dataStoreProperties) {
-            datastoreContext.dataStoreProperties = dataStoreProperties;
+        public Builder dataStoreMXBeanType(String dataStoreMXBeanType) {
+            datastoreContext.dataStoreMXBeanType = dataStoreMXBeanType;
             return this;
         }
 
@@ -210,17 +358,25 @@ public class DatastoreContext {
             return this;
         }
 
+        public Builder shardInitializationTimeoutInSeconds(long timeout) {
+            return shardInitializationTimeout(timeout, TimeUnit.SECONDS);
+        }
+
         public Builder shardLeaderElectionTimeout(long timeout, TimeUnit unit) {
             datastoreContext.shardLeaderElectionTimeout = new Timeout(timeout, unit);
             return this;
         }
 
-        public Builder configurationReader(ConfigurationReader configurationReader){
+        public Builder shardLeaderElectionTimeoutInSeconds(long timeout) {
+            return shardLeaderElectionTimeout(timeout, TimeUnit.SECONDS);
+        }
+
+        public Builder configurationReader(AkkaConfigurationReader configurationReader) {
             datastoreContext.configurationReader = configurationReader;
             return this;
         }
 
-        public Builder persistent(boolean persistent){
+        public Builder persistent(boolean persistent) {
             datastoreContext.persistent = persistent;
             return this;
         }
@@ -230,24 +386,125 @@ public class DatastoreContext {
             return this;
         }
 
-        public Builder shardElectionTimeoutFactor(long shardElectionTimeoutFactor){
+        public Builder shardElectionTimeoutFactor(long shardElectionTimeoutFactor) {
             datastoreContext.setElectionTimeoutFactor(shardElectionTimeoutFactor);
             return this;
         }
 
-        public Builder transactionCreationInitialRateLimit(long initialRateLimit){
+        public Builder transactionCreationInitialRateLimit(long initialRateLimit) {
             datastoreContext.transactionCreationInitialRateLimit = initialRateLimit;
             return this;
         }
 
-        public Builder dataStoreType(String dataStoreType){
-            datastoreContext.dataStoreType = dataStoreType;
-            datastoreContext.dataStoreMXBeanType = "Distributed" + WordUtils.capitalize(dataStoreType) + "Datastore";
+        public Builder logicalStoreType(LogicalDatastoreType logicalStoreType) {
+            datastoreContext.logicalStoreType = Preconditions.checkNotNull(logicalStoreType);
+
+            // Retain compatible naming
+            switch (logicalStoreType) {
+                case CONFIGURATION:
+                    dataStoreName("config");
+                    break;
+                case OPERATIONAL:
+                    dataStoreName("operational");
+                    break;
+                default:
+                    dataStoreName(logicalStoreType.name());
+            }
+
+            return this;
+        }
+
+        public Builder storeRoot(final YangInstanceIdentifier storeRoot) {
+            datastoreContext.storeRoot = storeRoot;
+            return this;
+        }
+
+        public Builder dataStoreName(String dataStoreName) {
+            datastoreContext.dataStoreName = Preconditions.checkNotNull(dataStoreName);
+            datastoreContext.dataStoreMXBeanType = "Distributed" + WordUtils.capitalize(dataStoreName) + "Datastore";
+            return this;
+        }
+
+        public Builder shardBatchedModificationCount(final int shardBatchedModificationCount) {
+            datastoreContext.shardBatchedModificationCount = shardBatchedModificationCount;
+            return this;
+        }
+
+        public Builder writeOnlyTransactionOptimizationsEnabled(boolean value) {
+            datastoreContext.writeOnlyTransactionOptimizationsEnabled = value;
+            return this;
+        }
+
+        public Builder shardCommitQueueExpiryTimeoutInMillis(long value) {
+            datastoreContext.shardCommitQueueExpiryTimeoutInMillis = value;
+            return this;
+        }
+
+        public Builder shardCommitQueueExpiryTimeoutInSeconds(long value) {
+            datastoreContext.shardCommitQueueExpiryTimeoutInMillis = TimeUnit.MILLISECONDS.convert(
+                    value, TimeUnit.SECONDS);
+            return this;
+        }
+
+        public Builder transactionDebugContextEnabled(boolean value) {
+            datastoreContext.transactionDebugContextEnabled = value;
+            return this;
+        }
+
+        public Builder maxShardDataChangeExecutorPoolSize(int maxShardDataChangeExecutorPoolSize) {
+            this.maxShardDataChangeExecutorPoolSize = maxShardDataChangeExecutorPoolSize;
+            return this;
+        }
+
+        public Builder maxShardDataChangeExecutorQueueSize(int maxShardDataChangeExecutorQueueSize) {
+            this.maxShardDataChangeExecutorQueueSize = maxShardDataChangeExecutorQueueSize;
+            return this;
+        }
+
+        public Builder maxShardDataChangeListenerQueueSize(int maxShardDataChangeListenerQueueSize) {
+            this.maxShardDataChangeListenerQueueSize = maxShardDataChangeListenerQueueSize;
+            return this;
+        }
+
+        public Builder maxShardDataStoreExecutorQueueSize(int maxShardDataStoreExecutorQueueSize) {
+            this.maxShardDataStoreExecutorQueueSize = maxShardDataStoreExecutorQueueSize;
+            return this;
+        }
+
+        /**
+         * For unit tests only.
+         */
+        @VisibleForTesting
+        public Builder shardManagerPersistenceId(String id) {
+            datastoreContext.shardManagerPersistenceId = id;
             return this;
         }
 
         public DatastoreContext build() {
+            datastoreContext.dataStoreProperties = InMemoryDOMDataStoreConfigProperties.create(
+                    maxShardDataChangeExecutorPoolSize, maxShardDataChangeExecutorQueueSize,
+                    maxShardDataChangeListenerQueueSize, maxShardDataStoreExecutorQueueSize);
+
+            if (datastoreContext.dataStoreName != null) {
+                GLOBAL_DATASTORE_NAMES.add(datastoreContext.dataStoreName);
+            }
+
             return datastoreContext;
         }
+
+        public Builder customRaftPolicyImplementation(String customRaftPolicyImplementation) {
+            datastoreContext.setCustomRaftPolicyImplementation(customRaftPolicyImplementation);
+            return this;
+        }
+
+        public Builder shardSnapshotChunkSize(int shardSnapshotChunkSize) {
+            datastoreContext.setShardSnapshotChunkSize(shardSnapshotChunkSize);
+            return this;
+        }
+
+        public Builder shardPeerAddressResolver(PeerAddressResolver resolver) {
+            datastoreContext.setPeerAddressResolver(resolver);
+            return this;
+        }
     }
 }