ONOS-3515 Added ability to configure different link-weight functions as defaults; or inject custom ones.
ONOS-3516 Added ability to inject alternate graph path search algorithms.
Change-Id: If5831c198a831ae79a9933fc794eb7deab776e2f
diff --git a/core/api/src/main/java/org/onosproject/net/topology/PathAdminService.java b/core/api/src/main/java/org/onosproject/net/topology/PathAdminService.java
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+/*
+ * Copyright 2014-2015 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.net.topology;
+
+import org.onlab.graph.GraphPathSearch;
+
+/**
+ * Provides administrative abilities to tailor the path service behaviours.
+ */
+public interface PathAdminService {
+
+ /**
+ * Sets the specified link-weight function to be used as a default.
+ * If null is specified, the builtin default hop-count link-weight will be
+ * used.
+ *
+ * @param linkWeight default link-weight function
+ */
+ void setDefaultLinkWeight(LinkWeight linkWeight);
+
+ /**
+ * Sets the specified graph path search algorightm to be used as a default.
+ * If null is specified, the builtin default all-shortest-paths Dijkstra
+ * algorithm will be used.
+ *
+ * @param graphPathSearch default graph path search algorithm
+ */
+ void setDefaultGraphPathSearch(GraphPathSearch<TopologyVertex, TopologyEdge> graphPathSearch);
+
+}