Use Empty instead of Void in cohorts

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeCohort.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeCohort.java
index 6cb9badd8d3cd66a16ea1626f3e9983444484d1f..77b8db92099df0a2e3b014530de87f288983a1cb 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeCohort.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeCohort.java
@@ -8,13 +8,18 @@
 package org.opendaylight.controller.cluster.datastore;
 
 import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.MoreObjects;
+import com.google.common.base.MoreObjects.ToStringHelper;
 import com.google.common.primitives.UnsignedLong;
 import com.google.common.util.concurrent.FutureCallback;
+import java.util.Optional;
+import java.util.SortedSet;
 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
 import org.opendaylight.yangtools.concepts.Identifiable;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip;
-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.DataTreeCandidateTip;
+import org.opendaylight.yangtools.yang.data.tree.api.DataTreeModification;
 
 @VisibleForTesting
 public abstract class ShardDataTreeCohort implements Identifiable<TransactionIdentifier> {
@@ -41,15 +46,17 @@ public abstract class ShardDataTreeCohort implements Identifiable<TransactionIde
 
     abstract DataTreeModification getDataTreeModification();
 
+    abstract Optional<SortedSet<String>> getParticipatingShardNames();
+
     // FIXME: Should return rebased DataTreeCandidateTip
     @VisibleForTesting
-    public abstract void canCommit(FutureCallback<Void> callback);
+    public abstract void canCommit(FutureCallback<Empty> callback);
 
     @VisibleForTesting
     public abstract void preCommit(FutureCallback<DataTreeCandidate> callback);
 
     @VisibleForTesting
-    public abstract void abort(FutureCallback<Void> callback);
+    public abstract void abort(FutureCallback<Empty> callback);
 
     @VisibleForTesting
     public abstract void commit(FutureCallback<UnsignedLong> callback);
@@ -57,4 +64,13 @@ public abstract class ShardDataTreeCohort implements Identifiable<TransactionIde
     public abstract boolean isFailed();
 
     public abstract State getState();
+
+    @Override
+    public final String toString() {
+        return addToStringAttributes(MoreObjects.toStringHelper(this).omitNullValues()).toString();
+    }
+
+    ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
+        return toStringHelper.add("id", getIdentifier()).add("state", getState());
+    }
 }