Created InterfaceService which maintains an inventory of interfaces
based on configuration data.
Change-Id: I98a360fd1b833885fcb41bf9bb8a6e81dc436fd1
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/intf/InterfaceService.java b/incubator/api/src/main/java/org/onosproject/incubator/net/intf/InterfaceService.java
new file mode 100644
index 0000000..ad1bf34
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/intf/InterfaceService.java
@@ -0,0 +1,69 @@
+/*
+ * 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.incubator.net.intf;
+
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.VlanId;
+import org.onosproject.net.ConnectPoint;
+
+import java.util.Set;
+
+/**
+ * Service for interacting with interfaces.
+ */
+public interface InterfaceService {
+
+ /**
+ * Returns the set of all interfaces in the system.
+ *
+ * @return set of interfaces
+ */
+ Set<Interface> getInterfaces();
+
+ /**
+ * Returns the set of interfaces configured on the given port.
+ *
+ * @param port connect point
+ * @return set of interfaces
+ */
+ Set<Interface> getInterfacesByPort(ConnectPoint port);
+
+ /**
+ * Returns the set of interfaces with the given IP address.
+ *
+ * @param ip IP address
+ * @return set of interfaces
+ */
+ Set<Interface> getInterfacesByIp(IpAddress ip);
+
+ /**
+ * Returns the set of interfaces in the given VLAN.
+ *
+ * @param vlan VLAN ID of the interfaces
+ * @return set of interfaces
+ */
+ Set<Interface> getInterfacesByVlan(VlanId vlan);
+
+ /**
+ * Returns an interface that has an address that is in the same subnet as
+ * the given IP address.
+ *
+ * @param ip IP address to find matching subnet interface for
+ * @return interface
+ */
+ Interface getMatchingInterface(IpAddress ip);
+}