diff --git a/core/api/src/main/java/org/onosproject/net/meter/MeterState.java b/core/api/src/main/java/org/onosproject/net/meter/MeterState.java
new file mode 100644
index 0000000..3b93609
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/meter/MeterState.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.net.meter;
+
+/**
+ * Represents the state of the meter as seen by the store.
+ */
+public enum MeterState {
+
+    /**
+     * The meter is in the process of being added.
+     */
+    PENDING_ADD,
+
+    /**
+     * THe meter has been added.
+     */
+    ADDED,
+
+    /**
+     * The meter is in the process of being removed.
+     */
+    PENDING_REMOVE,
+
+    /**
+     * The meter has been removed.
+     */
+    REMOVED,
+
+}