moving meter service to incubator and initial implementation of
meter manager.

Change-Id: I6ef0d9476b58d00b37f7ef156ac7bdacca20185b
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/meter/MeterFailReason.java b/incubator/api/src/main/java/org/onosproject/incubator/net/meter/MeterFailReason.java
new file mode 100644
index 0000000..d98e44a
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/meter/MeterFailReason.java
@@ -0,0 +1,89 @@
+/*
+ * 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.incubator.net.meter;
+
+/**
+ * Enum used to represent a meter failure condition.
+ */
+public enum MeterFailReason {
+    /**
+     * A meter with the same identifier already exists.
+     * Essentially a duplicate meter exists.
+     */
+    EXISTING_METER,
+
+    /**
+     * The device does not support any more meters.
+     */
+    OUT_OF_METERS,
+
+    /**
+     * The device does not support any more bands for this meter.
+     */
+    OUT_OF_BANDS,
+
+    /**
+     * The meter that was attempted to be modified is unknown.
+     */
+    UNKNOWN,
+
+    /**
+     * The operation for this meter installation timed out.
+     */
+    TIMEOUT,
+
+    /**
+     * Invalid meter definition.
+     */
+    INVALID_METER,
+
+    /**
+     * The target device is unknown.
+     */
+    UNKNOWN_DEVICE,
+
+    /**
+     * Unknown command.
+     */
+    UNKNOWN_COMMAND,
+
+    /**
+     * Unknown flags.
+     */
+    UNKNOWN_FLAGS,
+
+    /**
+     * Bad rate value.
+     */
+    BAD_RATE,
+
+    /**
+     * Bad burst size value.
+     */
+    BAD_BURST,
+
+    /**
+     * Bad band.
+     */
+    BAD_BAND,
+
+    /**
+     * Bad value value.
+     */
+    BAD_BAND_VALUE
+
+
+}