ONOS-4690: containsKey() in TransactionalMap
Change-Id: I13a5eea3871a9a6cc5f808b662584d1892ff19bd
diff --git a/core/api/src/main/java/org/onosproject/store/service/TransactionalMap.java b/core/api/src/main/java/org/onosproject/store/service/TransactionalMap.java
index ff27b8b..79c482d 100644
--- a/core/api/src/main/java/org/onosproject/store/service/TransactionalMap.java
+++ b/core/api/src/main/java/org/onosproject/store/service/TransactionalMap.java
@@ -39,6 +39,13 @@
V get(K key);
/**
+ * Returns true if this map contains a mapping for the specified key.
+ * @param key key whose presence in this map to be tested
+ * @return true if this map contains a mapping for the specified key
+ */
+ boolean containsKey(K key);
+
+ /**
* Associates the specified value with the specified key in this map (optional operation).
* If the map previously contained a mapping for the key, the old value is replaced by the
* specified value.
@@ -90,4 +97,4 @@
* @return true if the value was replaced
*/
boolean replace(K key, V oldValue, V newValue);
-}
\ No newline at end of file
+}