1 files changed, 84 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/topology/DefaultTopologyEdge.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/topology/DefaultTopologyEdge.java
new file mode 100644
index 00000000..dacb5fd8
--- /dev/null
+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/topology/DefaultTopologyEdge.java
@@ -0,0 +1,84 @@
+/*
+ * 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.net.Link;
+
+import java.util.Objects;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+/**
+ * Implementation of the topology edge backed by a link.
+ */
+public class DefaultTopologyEdge implements TopologyEdge {
+
+    private final Link link;
+    private final TopologyVertex src;
+    private final TopologyVertex dst;
+
+    /**
+     * Creates a new topology edge.
+     *
+     * @param src  source vertex
+     * @param dst  destination vertex
+     * @param link infrastructure link
+     */
+    public DefaultTopologyEdge(TopologyVertex src, TopologyVertex dst, Link link) {
+        this.src = src;
+        this.dst = dst;
+        this.link = link;
+    }
+
+    @Override
+    public Link link() {
+        return link;
+    }
+
+    @Override
+    public TopologyVertex src() {
+        return src;
+    }
+
+    @Override
+    public TopologyVertex dst() {
+        return dst;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(link);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof DefaultTopologyEdge) {
+            final DefaultTopologyEdge other = (DefaultTopologyEdge) obj;
+            return Objects.equals(this.link, other.link);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(this).add("src", src).add("dst", dst).toString();
+    }
+
+}
+