[ONOS-2287,ONOS-2288]Pcep TunnelProvider implementation

Change-Id: I4184336c200f1060e93be5dc28076ba35f6b98f4
diff --git a/providers/pcep/tunnel/src/main/java/org/onosproject/provider/pcep/tunnel/impl/RequestType.java b/providers/pcep/tunnel/src/main/java/org/onosproject/provider/pcep/tunnel/impl/RequestType.java
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+++ b/providers/pcep/tunnel/src/main/java/org/onosproject/provider/pcep/tunnel/impl/RequestType.java
@@ -0,0 +1,41 @@
+/*
+ * 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.provider.pcep.tunnel.impl;
+
+/**
+ * Enum of request types between pcc and pcep.
+ */
+public enum RequestType {
+    /**
+     * Specifies the request type for PCC is to create new tunnel.
+     */
+    CREATE,
+
+    /**
+     * Specifies the request type for PCC is to update existing tunnel.
+     */
+    UPDATE,
+
+    /**
+     * Specifies the request type for PCC is to delete existing tunnel.
+     */
+    DELETE,
+
+    /**
+     * Specifies the request type for PCC to report existing tunnel.
+     */
+    LSP_STATE_RPT;
+}
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