Publish SnapshotBacked transactions

[controller.git] / opendaylight / md-sal / sal-inmemory-datastore / src / main / java / org / opendaylight / controller / md / sal / dom / store / impl / DOMImmutableDataChangeEvent.java

diff --git a/opendaylight/md-sal/sal-inmemory-datastore/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/DOMImmutableDataChangeEvent.java b/opendaylight/md-sal/sal-inmemory-datastore/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/DOMImmutableDataChangeEvent.java
index 5faebcef36c65294a36d7b3036453f45f8b20352..f457e3b9e9603bb2d409ac1d8b3d6fe8b1ea35eb 100644 (file)
--- a/opendaylight/md-sal/sal-inmemory-datastore/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/DOMImmutableDataChangeEvent.java
+++ b/opendaylight/md-sal/sal-inmemory-datastore/src/main/java/org/opendaylight/controller/md/sal/dom/store/impl/DOMImmutableDataChangeEvent.java
@@ -7,6 +7,8 @@
  */
 package org.opendaylight.controller.md.sal.dom.store.impl;
 
+import com.google.common.base.Preconditions;
+
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -19,8 +21,6 @@ import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 
-import com.google.common.base.Preconditions;
-
 public final class DOMImmutableDataChangeEvent implements
         AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> {
 
@@ -184,6 +184,10 @@ public final class DOMImmutableDataChangeEvent implements
             updated.put(path, after);
             return this;
         }
+
+        public boolean isEmpty() {
+            return created.isEmpty() && removed.isEmpty() && updated.isEmpty();
+        }
     }
 
     private static final class RemoveEventFactory implements SimpleEventFactory {