flowrule states functional

Change-Id: Id310f146d4ef2a59993f31d60062464a24df4560
diff --git a/core/api/src/main/java/org/onlab/onos/net/flow/FlowRuleService.java b/core/api/src/main/java/org/onlab/onos/net/flow/FlowRuleService.java
index d2b9432..9db035a 100644
--- a/core/api/src/main/java/org/onlab/onos/net/flow/FlowRuleService.java
+++ b/core/api/src/main/java/org/onlab/onos/net/flow/FlowRuleService.java
@@ -1,7 +1,5 @@
 package org.onlab.onos.net.flow;
 
-import java.util.List;
-
 import org.onlab.onos.net.DeviceId;
 
 /**
@@ -31,10 +29,8 @@
      * device reconnects to the controller.
      *
      * @param flowRules one or more flow rules
-     * throws SomeKindOfException that indicates which ones were applied and
-     *                  which ones failed
      */
-    List<FlowRule> applyFlowRules(FlowRule... flowRules);
+    void applyFlowRules(FlowRule... flowRules);
 
     /**
      * Removes the specified flow rules from their respective devices. If the