ONOS-6381 Transactional event listeners
Change-Id: I8f279d78323dea467796e8d37e3117a407af9f76
diff --git a/core/api/src/main/java/org/onosproject/store/service/DocumentTreeEvent.java b/core/api/src/main/java/org/onosproject/store/service/DocumentTreeEvent.java
index f640da8..81b28ac 100644
--- a/core/api/src/main/java/org/onosproject/store/service/DocumentTreeEvent.java
+++ b/core/api/src/main/java/org/onosproject/store/service/DocumentTreeEvent.java
@@ -44,7 +44,9 @@
/**
* Signifies an existing node being deleted.
*/
- DELETED
+ DELETED,
+ TRANSACTION_START,
+ TRANSACTION_END
}
private final DocumentPath path;
@@ -77,6 +79,22 @@
this.newValue = newValue;
this.oldValue = oldValue;
}
+ /**
+ * Constructs a new {@code DocumentTreeEvent}.
+ *
+ * @param path path to the node
+ * @param newValue optional new value; will be empty if node was deleted
+ * @param oldValue optional old value; will be empty if node was created
+ */
+ public DocumentTreeEvent(DocumentPath path,
+ Optional<Versioned<V>> newValue,
+ Optional<Versioned<V>> oldValue) {
+ this.path = path;
+ this.newValue = newValue;
+ this.oldValue = oldValue;
+ this.type = newValue != null ?
+ oldValue != null ? Type.UPDATED : Type.CREATED : Type.DELETED;
+ }
/**
* Returns the path to the changed node.