commit 1ea151053b139252b8490559f09cec2b8c92becf
author Andrea Campanella <andrea@opennetworking.org> Mon Sep 04 16:00:09 2017 +0200
committer Thomas Vachuska <tom@opennetworking.org> Wed Sep 13 16:56:15 2017 +0000
tree 915079490bf8be31a304777529e04c96ec2c2b5a
parent d7c9336160d8e588461a1bf247829702e051638f

[ONOS-6986] Implement getGroups in GroupProgrammable

Change-Id: I9f25bddb6a8baad74e8e74abd44187a9c3f6520a

core/api/src/main/java/org/onosproject/net/group/GroupProgrammable.java

diff --git a/core/api/src/main/java/org/onosproject/net/group/GroupProgrammable.java b/core/api/src/main/java/org/onosproject/net/group/GroupProgrammable.java
index 178a288..5be93d2 100644
--- a/core/api/src/main/java/org/onosproject/net/group/GroupProgrammable.java
+++ b/core/api/src/main/java/org/onosproject/net/group/GroupProgrammable.java
@@ -16,9 +16,12 @@
 
 package org.onosproject.net.group;
 
+import com.google.common.collect.ImmutableList;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.driver.HandlerBehaviour;
 
+import java.util.Collection;
+
 /**
  * Group programmable device behaviour.
  */
@@ -31,4 +34,13 @@
      * @param groupOps operations to be performed
      */
     void performGroupOperation(DeviceId deviceId, GroupOperations groupOps);
+
+    /**
+     * Queries the groups from the device.
+     *
+     * @return collection of groups
+     */
+    default Collection<Group> getGroups() {
+        return ImmutableList.of();
+    }
 }