Add UnsignedLongBitmap

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractShardDataTreeTransaction.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractShardDataTreeTransaction.java
index f7f8af292310e76e5213e47052abef3669351f30..bec1a38f2453790d6a80e786e1be7d3dfa6c560b 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractShardDataTreeTransaction.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractShardDataTreeTransaction.java
@@ -7,32 +7,44 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
+import static com.google.common.base.Preconditions.checkState;
+import static java.util.Objects.requireNonNull;
+
 import com.google.common.base.MoreObjects;
-import com.google.common.base.Preconditions;
-import javax.annotation.concurrent.NotThreadSafe;
 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
+import org.opendaylight.controller.cluster.datastore.persisted.AbortTransactionPayload;
+import org.opendaylight.yangtools.concepts.Identifiable;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
 
 /**
- * Abstract base for transactions running on SharrdDataTree.
+ * Abstract base for transactions running on SharrdDataTree. This class is NOT thread-safe.
  *
  * @param <T> Backing transaction type.
  */
-@NotThreadSafe
-abstract class AbstractShardDataTreeTransaction<T extends DataTreeSnapshot> {
-    private final T snapshot;
+abstract class AbstractShardDataTreeTransaction<T extends DataTreeSnapshot>
+        implements Identifiable<TransactionIdentifier> {
+    private final ShardDataTreeTransactionParent parent;
     private final TransactionIdentifier id;
+    private final T snapshot;
+
     private boolean closed;
 
-    protected AbstractShardDataTreeTransaction(final TransactionIdentifier id, final T snapshot) {
-        this.snapshot = Preconditions.checkNotNull(snapshot);
-        this.id = Preconditions.checkNotNull(id);
+    AbstractShardDataTreeTransaction(final ShardDataTreeTransactionParent parent, final TransactionIdentifier id,
+        final T snapshot) {
+        this.parent = requireNonNull(parent);
+        this.snapshot = requireNonNull(snapshot);
+        this.id = requireNonNull(id);
     }
 
-    final TransactionIdentifier getId() {
+    @Override
+    public final TransactionIdentifier getIdentifier() {
         return id;
     }
 
+    final ShardDataTreeTransactionParent getParent() {
+        return parent;
+    }
+
     final T getSnapshot() {
         return snapshot;
     }
@@ -55,11 +67,28 @@ abstract class AbstractShardDataTreeTransaction<T extends DataTreeSnapshot> {
         return true;
     }
 
+    final void abort(final Runnable callback) {
+        checkState(close(), "Transaction is already closed");
+        parent.abortTransaction(this, callback);
+    }
+
+    /**
+     * This method is exposed for sake of {@link ShardTransaction}, which is an actor. We need to ensure that
+     * the parent is updated to reflect the transaction has been closed, but no journal actions may be invoked.
+     *
+     * <p>
+     * ShardTransaction is responsible for additionally sending a request to persist an {@link AbortTransactionPayload}
+     * via a message to the Shard actor.
+     */
+    final void abortFromTransactionActor() {
+        if (close()) {
+            parent.abortFromTransactionActor(this);
+        }
+    }
+
     @Override
     public final String toString() {
         return MoreObjects.toStringHelper(this).add("id", id).add("closed", closed).add("snapshot", snapshot)
                 .toString();
     }
-
-    abstract void abort();
 }