[ONOS] PCEP provider changes, added node listeners to topology provider
Change-Id: I98bc6445ee78a8f0bf53f897f0a25f678ec7fc99
diff --git a/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/PcepNodeListener.java b/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/PcepNodeListener.java
new file mode 100644
index 0000000..a02a744
--- /dev/null
+++ b/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/PcepNodeListener.java
@@ -0,0 +1,36 @@
+/*
+ * 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;
+
+/**
+ * Notifies providers about PCEP node events.
+ */
+public interface PcepNodeListener {
+
+ /**
+ * Notifies that the node was added.
+ *
+ * @param pc PCEP client details
+ */
+ void addNode(PcepClient pc);
+
+ /**
+ * Notifies that the node was removed.
+ *
+ * @param pccId PCEP client ID
+ */
+ void deleteNode(PccId pccId);
+}