Make DataModification closeable

and close the modification from transactions.

This enables cleanup of underlay resources per transaction.
It is not needed when managing VPP, but might be useful for
other use-cases where underlay transactions are involved.

Change-Id: If14197052172be0158fd7efb5ee1794935d576bc
Signed-off-by: Maros Marsalek <maros.mars@gmail.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/infra/data-api/src/main/java/io/fd/honeycomb/data/DataModification.java b/infra/data-api/src/main/java/io/fd/honeycomb/data/DataModification.java
index 6e903a4e2..22fba0f53 100644
--- a/infra/data-api/src/main/java/io/fd/honeycomb/data/DataModification.java
+++ b/infra/data-api/src/main/java/io/fd/honeycomb/data/DataModification.java
@@ -26,7 +26,7 @@ import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailed
  * Modification of a {@link ModifiableDataManager}.
  */
 @Beta
-public interface DataModification extends ReadableDataManager {
+public interface DataModification extends ReadableDataManager, AutoCloseable {
 
     /**
      * Delete the node at specified path.
@@ -67,4 +67,12 @@ public interface DataModification extends ReadableDataManager {
      * @throws DataValidationFailedException if modification data is not valid
      */
     void validate() throws DataValidationFailedException;
+
+    /**
+     * Perform cleanup if necessary.
+     */
+    @Override
+    default void close() {
+        // by default, no cleanup is required
+    }
 }