1 files changed, 38 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/meter/MeterContext.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/meter/MeterContext.java
new file mode 100644
index 00000000..574bdca9
--- /dev/null
+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/meter/MeterContext.java
@@ -0,0 +1,38 @@
+/*
+ * 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;
+
+/**
+ * A context permitting the application to be notified when the
+ * meter installation has been successful.
+ */
+public interface MeterContext {
+
+    /**
+     * Invoked on successful installation of the meter.
+     *
+     * @param op a meter
+     */
+    default void onSuccess(MeterRequest op) {}
+
+    /**
+     * Invoked when error is encountered while installing a meter.
+     *
+     * @param op a meter
+     * @param reason the reason why it failed
+     */
+    default void onError(MeterRequest op, MeterFailReason reason) {}
+}