Fixing the duplicate issue

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/dao/impl/GenericOperationDAOImpl.java

@@ -355,6 +355,7 @@ public class GenericOperationDAOImpl implements OperationDAO {
 
             int operationId = 0;
             int enrolmentId = 0;
+            int responceId = 0;
             Activity activity = null;
             ActivityStatus activityStatus = null;
             while (rs.next()) {
@@ -380,8 +381,9 @@ public class GenericOperationDAOImpl implements OperationDAO {
                     activityStatus.setStatus(ActivityStatus.Status.valueOf(rs.getString("STATUS")));
 
                     List<OperationResponse> operationResponses = new ArrayList<>();
-                    if (rs.getInt("UPDATED_TIMESTAMP") != 0) {
+                    if (rs.getTimestamp("RECEIVED_TIMESTAMP") != (null)) {
                         operationResponses.add(this.getOperationResponse(rs));
+                        responceId = rs.getInt("OP_RES_ID");
                     }
                     activityStatus.setResponses(operationResponses);
                     statusList.add(activityStatus);
@@ -407,6 +409,7 @@ public class GenericOperationDAOImpl implements OperationDAO {
                     List<OperationResponse> operationResponses = new ArrayList<>();
                     if (rs.getTimestamp("RECEIVED_TIMESTAMP") != (null)) {
                         operationResponses.add(this.getOperationResponse(rs));
+                        responceId = rs.getInt("OP_RES_ID");
                     }
                     activityStatus.setResponses(operationResponses);
                     activity.getActivityStatus().add(activityStatus);
@@ -414,9 +417,10 @@ public class GenericOperationDAOImpl implements OperationDAO {
                     enrolmentId = rs.getInt("ENROLMENT_ID");
                 }
 
-                if (operationId == rs.getInt("OPERATION_ID") && enrolmentId == rs.getInt("ENROLMENT_ID")){
+                if (rs.getInt("OP_RES_ID") != 0 && responceId != rs.getInt("OP_RES_ID")){
                     if (rs.getTimestamp("RECEIVED_TIMESTAMP") != (null)) {
                         activityStatus.getResponses().add(this.getOperationResponse(rs));
+                        responceId = rs.getInt("OP_RES_ID");
                     }
                 }
             }