e9f13f
@@ -21,6 +21,7 @@
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.tez.runtime.api.Input;
 import org.apache.tez.runtime.api.LogicalInput;
 import org.apache.tez.runtime.api.MergedLogicalInput;
 import org.apache.tez.runtime.api.Reader;
@@ -35,4 +36,9 @@
   public Reader getReader() throws Exception {
     return new InputMerger(getInputs());
   }
+
+  @Override
+  public void setConstituentInputIsReady(Input input) {
+    // ignore notification
+  }
 }
