1 files changed, 30 insertions, 0 deletions
diff --git a/core/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/slitopologyutils/graph/Path.java b/core/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/slitopologyutils/graph/Path.java
new file mode 100644
index 000000000..c8a2ef985
--- /dev/null
+++ b/core/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/slitopologyutils/graph/Path.java
@@ -0,0 +1,30 @@
+package org.onap.ccsdk.sli.core.slipluginutils.slitopologyutils.graph;
+
+import java.util.List;
+
+/**
+ * Representation of a path in a graph as a sequence of edges. Paths are
+ * assumed to be continuous, where adjacent edges must share a vertex.
+ *
+ * @param <V> vertex type
+ * @param <E> edge type
+ */
+public interface Path<V extends Vertex, E extends Edge<V>> extends Edge<V> {
+
+    /**
+     * Returns the list of edges comprising the path. Adjacent edges will
+     * share the same vertex, meaning that a source of one edge, will be the
+     * same as the destination of the prior edge.
+     *
+     * @return list of path edges
+     */
+    List<E> edges();
+
+    /**
+     * Returns the total cost of the path as a weight object.
+     *
+     * @return path cost as a weight object
+     */
+    Weight cost();
+
+}