1 files changed, 50 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/driver/DriverData.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/driver/DriverData.java
new file mode 100644
index 00000000..1d66ea9a
--- /dev/null
+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/driver/DriverData.java
@@ -0,0 +1,50 @@
+/*
+ * 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.driver;
+
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.MutableAnnotations;
+
+/**
+ * Container for data about a device. Data is stored using
+ * {@link org.onosproject.net.MutableAnnotations}.
+ */
+public interface DriverData extends MutableAnnotations {
+
+    /**
+     * Returns the parent device driver.
+     *
+     * @return device driver
+     */
+    Driver driver();
+
+    /**
+     * Returns the device identifier.
+     *
+     * @return device identifier
+     */
+    DeviceId deviceId();
+
+    /**
+     * Returns the specified facet of behaviour to access the device data.
+     *
+     * @param behaviourClass behaviour class
+     * @param <T>            type of behaviour
+     * @return requested behaviour or null if not supported
+     */
+    <T extends Behaviour> T behaviour(Class<T> behaviourClass);
+
+}