[ONOS-4722] cherry-picked GoldenEye:Fix exception on learning unknown PCE-initiated LSP from PCC

Change-Id: I8abc003aeb187f18e51de533f0c51e265dfd8661
diff --git a/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/LspType.java b/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/LspType.java
new file mode 100644
index 0000000..876f531
--- /dev/null
+++ b/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/LspType.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2016-present 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.pcep.controller;
+
+/**
+ * Representation of LSP type.
+ */
+public enum LspType {
+    /**
+     * Signifies that path is created via signaling mode.
+     */
+    WITH_SIGNALLING(0),
+
+    /**
+     * Signifies that path is created via SR mode.
+     */
+    SR_WITHOUT_SIGNALLING(1),
+
+    /**
+     * Signifies that path is created via without signaling and without SR mode.
+     */
+    WITHOUT_SIGNALLING_AND_WITHOUT_SR(2);
+
+    int value;
+
+    /**
+     * Assign val with the value as the LSP type.
+     *
+     * @param val LSP type
+     */
+    LspType(int val) {
+        value = val;
+    }
+
+    /**
+     * Returns value of LSP type.
+     *
+     * @return LSP type
+     */
+    public byte type() {
+        return (byte) value;
+    }
+}
diff --git a/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/PcepEventListener.java b/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/PcepEventListener.java
index c7c347a..c75d7db 100644
--- a/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/PcepEventListener.java
+++ b/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/PcepEventListener.java
@@ -37,13 +37,4 @@
      * @param endOfSyncAction the action that needs to be taken for the tunnel
      */
     void handleEndOfSyncAction(Tunnel tunnel, PcepLspSyncAction endOfSyncAction);
-
-    /**
-     * Handles sending PCEP message to client on end of LSPDB sync.
-     *
-     * @param pccId id of the pcc
-     * @param msg the message to be sent
-     * @param endOfSyncAction the action that needs to be taken in the message
-     */
-    void handleEndOfSyncAction(PccId pccId, PcepMessage msg, PcepLspSyncAction endOfSyncAction);
 }