Cleaned up the SRLG and disjoint path code and naming.

Change-Id: I02b6fe5ee1e3f5eadc4e88800386a23349ee5e58
diff --git a/core/api/src/test/java/org/onosproject/net/topology/PathServiceAdapter.java b/core/api/src/test/java/org/onosproject/net/topology/PathServiceAdapter.java
new file mode 100644
index 0000000..6a8e586
--- /dev/null
+++ b/core/api/src/test/java/org/onosproject/net/topology/PathServiceAdapter.java
@@ -0,0 +1,62 @@
+/*
+ * 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.net.topology;
+
+import org.onosproject.net.DisjointPath;
+import org.onosproject.net.ElementId;
+import org.onosproject.net.Link;
+import org.onosproject.net.Path;
+
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Test adapter for path service.
+ */
+public class PathServiceAdapter implements PathService {
+    @Override
+    public Set<Path> getPaths(ElementId src, ElementId dst) {
+        return null;
+    }
+
+    @Override
+    public Set<Path> getPaths(ElementId src, ElementId dst, LinkWeight weight) {
+        return null;
+    }
+
+    @Override
+    public Set<DisjointPath> getDisjointPaths(ElementId src, ElementId dst) {
+        return null;
+    }
+
+    @Override
+    public Set<DisjointPath> getDisjointPaths(ElementId src, ElementId dst, LinkWeight weight) {
+        return null;
+    }
+
+    @Override
+    public Set<DisjointPath> getDisjointPaths(ElementId src, ElementId dst,
+                                              Map<Link, Object> riskProfile) {
+        return null;
+    }
+
+    @Override
+    public Set<DisjointPath> getDisjointPaths(ElementId src, ElementId dst,
+                                              LinkWeight weight,
+                                              Map<Link, Object> riskProfile) {
+        return null;
+    }
+}