Use SettableFuture<Empty> for readinessFuture

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/CohortEntry.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/CohortEntry.java
index f585bb66c35a985c12fd73a0b83dedf91a10f62b..de325279b7a1aa252ca403e7d8034b981486efb5 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/CohortEntry.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/CohortEntry.java
@@ -7,40 +7,46 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
+import static com.google.common.base.Preconditions.checkState;
+import static java.util.Objects.requireNonNull;
+
 import akka.actor.ActorRef;
-import com.google.common.base.Preconditions;
 import com.google.common.primitives.UnsignedLong;
 import com.google.common.util.concurrent.FutureCallback;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.TimeoutException;
+import java.util.List;
+import java.util.Optional;
+import java.util.SortedSet;
 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
 import org.opendaylight.controller.cluster.datastore.ShardCommitCoordinator.CohortDecorator;
 import org.opendaylight.controller.cluster.datastore.modification.Modification;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
+import org.opendaylight.yangtools.yang.common.Empty;
+import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidate;
+import org.opendaylight.yangtools.yang.data.tree.api.DataTreeModification;
 
 final class CohortEntry {
     private final ReadWriteShardDataTreeTransaction transaction;
-    private final TransactionIdentifier transactionID;
+    private final TransactionIdentifier transactionId;
     private final short clientVersion;
 
     private RuntimeException lastBatchedModificationsException;
     private int totalBatchedModificationsReceived;
+    private int totalOperationsProcessed;
     private ShardDataTreeCohort cohort;
     private boolean doImmediateCommit;
     private ActorRef replySender;
     private Shard shard;
 
     private CohortEntry(final ReadWriteShardDataTreeTransaction transaction, final short clientVersion) {
-        this.transaction = Preconditions.checkNotNull(transaction);
-        this.transactionID = transaction.getId();
+        cohort = null;
+        this.transaction = requireNonNull(transaction);
+        transactionId = transaction.getIdentifier();
         this.clientVersion = clientVersion;
     }
 
     private CohortEntry(final ShardDataTreeCohort cohort, final short clientVersion) {
-        this.cohort = Preconditions.checkNotNull(cohort);
-        this.transactionID = cohort.getIdentifier();
-        this.transaction = null;
+        this.cohort = requireNonNull(cohort);
+        transactionId = cohort.getIdentifier();
+        transaction = null;
         this.clientVersion = clientVersion;
     }
 
@@ -52,8 +58,8 @@ final class CohortEntry {
         return new CohortEntry(cohort, clientVersion);
     }
 
-    TransactionIdentifier getTransactionID() {
-        return transactionID;
+    TransactionIdentifier getTransactionId() {
+        return transactionId;
     }
 
     short getClientVersion() {
@@ -76,14 +82,19 @@ final class CohortEntry {
         return totalBatchedModificationsReceived;
     }
 
+    int getTotalOperationsProcessed() {
+        return totalOperationsProcessed;
+    }
+
     RuntimeException getLastBatchedModificationsException() {
         return lastBatchedModificationsException;
     }
 
     @SuppressWarnings("checkstyle:IllegalCatch")
-    void applyModifications(final Iterable<Modification> modifications) {
+    void applyModifications(final List<Modification> modifications) {
         totalBatchedModificationsReceived++;
         if (lastBatchedModificationsException == null) {
+            totalOperationsProcessed += modifications.size();
             for (Modification modification : modifications) {
                 try {
                     modification.apply(transaction.getSnapshot());
@@ -95,7 +106,7 @@ final class CohortEntry {
         }
     }
 
-    void canCommit(final FutureCallback<Void> callback) {
+    void canCommit(final FutureCallback<Empty> callback) {
         cohort.canCommit(callback);
     }
 
@@ -107,21 +118,29 @@ final class CohortEntry {
         cohort.commit(callback);
     }
 
-    void abort() throws InterruptedException, ExecutionException, TimeoutException {
-        cohort.abort().get();
+    void abort(final FutureCallback<Empty> callback) {
+        cohort.abort(callback);
     }
 
-    void ready(final CohortDecorator cohortDecorator) {
-        Preconditions.checkState(cohort == null, "cohort was already set");
+    void ready(final Optional<SortedSet<String>> participatingShardNames, final CohortDecorator cohortDecorator) {
+        checkState(cohort == null, "cohort was already set");
 
-        cohort = transaction.ready();
+        cohort = transaction.ready(participatingShardNames);
 
         if (cohortDecorator != null) {
             // Call the hook for unit tests.
-            cohort = cohortDecorator.decorate(transactionID, cohort);
+            cohort = cohortDecorator.decorate(transactionId, cohort);
         }
     }
 
+    boolean isSealed() {
+        return cohort != null;
+    }
+
+    Optional<SortedSet<String>> getParticipatingShardNames() {
+        return cohort != null ? cohort.getParticipatingShardNames() : Optional.empty();
+    }
+
     boolean isDoImmediateCommit() {
         return doImmediateCommit;
     }
@@ -149,7 +168,7 @@ final class CohortEntry {
     @Override
     public String toString() {
         final StringBuilder builder = new StringBuilder();
-        builder.append("CohortEntry [transactionID=").append(transactionID).append(", doImmediateCommit=")
+        builder.append("CohortEntry [transactionId=").append(transactionId).append(", doImmediateCommit=")
                 .append(doImmediateCommit).append("]");
         return builder.toString();
     }