1 files changed, 96 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultEdgeLink.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultEdgeLink.java
new file mode 100644
index 00000000..67ceef7a
--- /dev/null
+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultEdgeLink.java
@@ -0,0 +1,96 @@
+/*
+ * 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;
+
+import org.onosproject.net.provider.ProviderId;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Default edge link model implementation.
+ */
+public class DefaultEdgeLink extends DefaultLink implements EdgeLink {
+
+    private final HostId hostId;
+    private final HostLocation hostLocation;
+
+    /**
+     * Creates an edge link using the supplied information.
+     *
+     * @param providerId   provider identity
+     * @param hostPoint    host-side connection point
+     * @param hostLocation location where host attaches to the network
+     * @param isIngress    true to indicate host-to-network direction; false
+     *                     for network-to-host direction
+     * @param annotations  optional key/value annotations
+     */
+    public DefaultEdgeLink(ProviderId providerId, ConnectPoint hostPoint,
+                           HostLocation hostLocation, boolean isIngress,
+                           Annotations... annotations) {
+        super(providerId, isIngress ? hostPoint : hostLocation,
+              isIngress ? hostLocation : hostPoint, Type.EDGE, annotations);
+        checkArgument(hostPoint.elementId() instanceof HostId,
+                      "Host point does not refer to a host ID");
+        this.hostId = (HostId) hostPoint.elementId();
+        this.hostLocation = hostLocation;
+    }
+
+    @Override
+    public HostId hostId() {
+        return hostId;
+    }
+
+    @Override
+    public HostLocation hostLocation() {
+        return hostLocation;
+    }
+
+    /**
+     * Creates a phantom edge link, to an unspecified end-station. This link
+     * does not represent any actually discovered link stored in the system.
+     *
+     * @param edgePort  network edge port
+     * @param isIngress true to indicate host-to-network direction; false
+     *                  for network-to-host direction
+     * @return new phantom edge link
+     */
+    public static DefaultEdgeLink createEdgeLink(ConnectPoint edgePort,
+                                                 boolean isIngress) {
+        checkNotNull(edgePort, "Edge port cannot be null");
+        HostLocation location = (edgePort instanceof HostLocation) ?
+                (HostLocation) edgePort : new HostLocation(edgePort, 0);
+        return new DefaultEdgeLink(ProviderId.NONE,
+                                   new ConnectPoint(HostId.NONE, PortNumber.P0),
+                                   location, isIngress);
+    }
+
+    /**
+     * Creates a an edge link, to the specified end-station.
+     *
+     * @param host      host
+     * @param isIngress true to indicate host-to-network direction; false
+     *                  for network-to-host direction
+     * @return new phantom edge link
+     */
+    public static DefaultEdgeLink createEdgeLink(Host host, boolean isIngress) {
+        checkNotNull(host, "Host cannot be null");
+        return new DefaultEdgeLink(ProviderId.NONE,
+                                   new ConnectPoint(host.id(), PortNumber.P0),
+                                   host.location(), isIngress);
+    }
+
+}