BUG-8403: propagate DONE state to successor

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / databroker / actors / dds / LocalReadWriteProxyTransaction.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/LocalReadWriteProxyTransaction.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/LocalReadWriteProxyTransaction.java
index cbf316d88194e7cbbf59dccc057cbf9d6fc5f5dd..eee4fd0e137f714b86d24c3279d717c9c323a051 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/LocalReadWriteProxyTransaction.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/LocalReadWriteProxyTransaction.java
@@ -13,6 +13,7 @@ import java.util.Optional;
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 import java.util.function.Supplier;
+import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.NotThreadSafe;
 import org.opendaylight.controller.cluster.access.commands.AbortLocalTransactionRequest;
@@ -84,10 +85,16 @@ final class LocalReadWriteProxyTransaction extends LocalProxyTransaction {
 
     LocalReadWriteProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier,
         final DataTreeSnapshot snapshot) {
-        super(parent, identifier);
+        super(parent, identifier, false);
         this.modification = (CursorAwareDataTreeModification) snapshot.newModification();
     }
 
+    LocalReadWriteProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier) {
+        super(parent, identifier, true);
+        // This is DONE transaction, this should never be touched
+        this.modification = null;
+    }
+
     @Override
     boolean isSnapshotOnly() {
         return false;
@@ -321,12 +328,12 @@ final class LocalReadWriteProxyTransaction extends LocalProxyTransaction {
         closedException = this::abortedException;
     }
 
-    private CursorAwareDataTreeModification getModification() {
+    private @Nonnull CursorAwareDataTreeModification getModification() {
         if (closedException != null) {
             throw closedException.get();
         }
 
-        return modification;
+        return Preconditions.checkNotNull(modification, "Transaction %s is DONE", getIdentifier());
     }
 
     private void sendCommit(final CommitLocalTransactionRequest request, final Consumer<Response<?, ?>> callback) {