ONOS-2729: Define an interface to query about MPLS capability
Change-Id: I509720b0c9ee8a9b652aa966ec19c77aacac8573
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/MplsQuery.java b/core/api/src/main/java/org/onosproject/net/behaviour/MplsQuery.java
new file mode 100644
index 0000000..0e9f466
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/MplsQuery.java
@@ -0,0 +1,35 @@
+/*
+ * 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.behaviour;
+
+import com.google.common.annotations.Beta;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.driver.HandlerBehaviour;
+
+/**
+ * A HandlerBehaviour to check the capability of MPLS.
+ */
+@Beta
+public interface MplsQuery extends HandlerBehaviour {
+
+ /**
+ * Indicates if MPLS can be used at the port.
+
+ * @param port port to be checked for the capability
+ * @return true if MPLS can be used at the port, false otherwise.
+ */
+ boolean isEnabled(PortNumber port);
+}