diff --git a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/client/IHyracksClientConnection.java b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/client/IHyracksClientConnection.java
index bddf1fd..6333c22 100644
--- a/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/client/IHyracksClientConnection.java
+++ b/hyracks/hyracks-api/src/main/java/edu/uci/ics/hyracks/api/client/IHyracksClientConnection.java
@@ -106,7 +106,7 @@
      * @return {@link NetworkAddress}
      * @throws Exception
      */
-    public NetworkAddress getDatasetDirectoryServiceInfo(JobId jobId) throws Exception;
+    public NetworkAddress getDatasetDirectoryServiceInfo() throws Exception;
 
     /**
      * Waits until the specified job has completed, either successfully or has
@@ -116,7 +116,7 @@
      *            JobId of the Job
      * @throws Exception
      */
-    public NetworkAddress getDatasetDirectoryServiceInfo() throws Exception;
+    public void waitForCompletion(JobId jobId) throws Exception;
 
     /**
      * Gets a map of node controller names to node information.