ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60

Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd

1 files changed, 37 insertions, 0 deletions

diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/topology/TopologyProviderService.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/topology/TopologyProviderService.java
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+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/topology/TopologyProviderService.java
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+/*
+ * Copyright 2014 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.topology;
+
+import org.onosproject.event.Event;
+import org.onosproject.net.provider.ProviderService;
+
+import java.util.List;
+
+/**
+ * Means for injecting topology information into the core.
+ */
+public interface TopologyProviderService extends ProviderService<TopologyProvider> {
+
+    /**
+     * Signals the core that some aspect of the topology has changed.
+     *
+     * @param graphDescription information about the network graph
+     * @param reasons          events that triggered topology change
+     */
+    void topologyChanged(GraphDescription graphDescription,
+                         List<Event> reasons);
+
+}