Sort getAllNotifications API in DESC order

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/impl/NotificationManagementServiceImpl.java

@@ -32,7 +32,14 @@ import org.wso2.carbon.device.mgt.jaxrs.service.impl.util.RequestValidationUtil;
 import org.wso2.carbon.device.mgt.jaxrs.util.DeviceMgtAPIUtils;
 
 import javax.validation.constraints.Size;
-import javax.ws.rs.*;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.GET;
+import javax.ws.rs.HeaderParam;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 import java.util.List;

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/notification/mgt/NotificationManagementService.java

@@ -102,5 +102,4 @@ public interface NotificationManagementService {
 
     PaginationResult getNotificationsByStatus(Notification.Status status,
                                    PaginationRequest request) throws NotificationManagementException;
-
 }

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/notification/mgt/NotificationManagementServiceImpl.java

@@ -234,7 +234,6 @@ public class NotificationManagementServiceImpl implements NotificationManagement
         }
     }
 
-
     @Override
     public List<Notification> getNotificationsByStatus(Notification.Status status)
             throws NotificationManagementException {

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/notification/mgt/dao/NotificationDAO.java

@@ -100,5 +100,4 @@ public interface NotificationDAO {
 
 	List<Notification> getNotificationsByStatus(PaginationRequest request, Notification.Status status, int tenantId) throws
 			NotificationManagementException;
-
 }

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/notification/mgt/dao/impl/AbstractNotificationDAOImpl.java

@@ -24,7 +24,12 @@ import org.wso2.carbon.device.mgt.core.notification.mgt.dao.NotificationDAO;
 import org.wso2.carbon.device.mgt.core.notification.mgt.dao.NotificationManagementDAOFactory;
 import org.wso2.carbon.device.mgt.core.notification.mgt.dao.util.NotificationDAOUtil;
 
-import java.sql.*;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.sql.Timestamp;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
@@ -94,7 +99,6 @@ public abstract class AbstractNotificationDAOImpl implements NotificationDAO {
             NotificationDAOUtil.cleanupResources(stmt, rs);
         }
         return notification;
-
     }
 
     @Override

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/notification/mgt/dao/impl/GenericNotificationDAOImpl.java

@@ -49,7 +49,7 @@ public class GenericNotificationDAOImpl extends AbstractNotificationDAOImpl {
                     "SELECT n1.NOTIFICATION_ID, n1.DEVICE_ID, n1.OPERATION_ID, n1.STATUS, n1.DESCRIPTION," +
                     " d.DEVICE_IDENTIFICATION, d.NAME as DEVICE_NAME, t.NAME AS DEVICE_TYPE FROM DM_DEVICE d, DM_DEVICE_TYPE t, (SELECT " +
                     "NOTIFICATION_ID, DEVICE_ID, OPERATION_ID, STATUS, DESCRIPTION FROM DM_NOTIFICATION WHERE " +
-                    "TENANT_ID = ?) n1 WHERE n1.DEVICE_ID = d.ID AND d.DEVICE_TYPE_ID=t.ID AND TENANT_ID = ?";
+                    "TENANT_ID = ?) n1 WHERE n1.DEVICE_ID = d.ID AND d.DEVICE_TYPE_ID=t.ID AND TENANT_ID = ? ORDER BY n1.NOTIFICATION_ID DESC";
 
             sql = sql + " LIMIT ?,?";
 
@@ -90,7 +90,7 @@ public class GenericNotificationDAOImpl extends AbstractNotificationDAOImpl {
                          "DM_DEVICE d, DM_DEVICE_TYPE t, (SELECT NOTIFICATION_ID, DEVICE_ID, " +
                          "OPERATION_ID, STATUS, DESCRIPTION FROM DM_NOTIFICATION WHERE " +
                          "TENANT_ID = ? AND STATUS = ?) n1 WHERE n1.DEVICE_ID = d.ID AND d.DEVICE_TYPE_ID=t.ID " +
-                         "AND TENANT_ID = ?";
+                         "AND TENANT_ID = ? ORDER BY n1.NOTIFICATION_ID DESC";
 
             sql = sql + " LIMIT ?,?";
 

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/notification/mgt/dao/impl/OracleNotificationDAOImpl.java

@@ -24,7 +24,11 @@ import org.wso2.carbon.device.mgt.common.notification.mgt.NotificationManagement
 import org.wso2.carbon.device.mgt.core.notification.mgt.dao.NotificationManagementDAOFactory;
 import org.wso2.carbon.device.mgt.core.notification.mgt.dao.util.NotificationDAOUtil;
 
-import java.sql.*;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Timestamp;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
@@ -33,6 +37,7 @@ import java.util.List;
  * This class holds the Oracle implementation of NotificationDAO which can be used to support Oracle db syntax.
  */
 public class OracleNotificationDAOImpl extends AbstractNotificationDAOImpl {
+
     @Override
     public int addNotification(int deviceId, int tenantId, Notification notification) throws
             NotificationManagementException {
@@ -81,7 +86,7 @@ public class OracleNotificationDAOImpl extends AbstractNotificationDAOImpl {
                     "NOTIFICATION_ID, DEVICE_ID, OPERATION_ID, STATUS, DESCRIPTION FROM DM_NOTIFICATION WHERE " +
                     "TENANT_ID = ?) n1 WHERE n1.DEVICE_ID = d.ID AND d.DEVICE_TYPE_ID=t.ID AND TENANT_ID = ?";
 
-            sql = sql + " ORDER BY n1.NOTIFICATION_ID OFFSET ? ROWS FETCH NEXT ? ROWS ONLY";
+            sql = sql + " ORDER BY n1.NOTIFICATION_ID DESC OFFSET ? ROWS FETCH NEXT ? ROWS ONLY";
 
             stmt = conn.prepareStatement(sql);
             stmt.setInt(1, tenantId);
@@ -122,7 +127,7 @@ public class OracleNotificationDAOImpl extends AbstractNotificationDAOImpl {
                     + "TENANT_ID = ? AND STATUS = ?) n1 WHERE n1.DEVICE_ID = d.ID AND d.DEVICE_TYPE_ID=t.ID "
                     + "AND TENANT_ID = ?";
 
-            sql = sql + " ORDER BY n1.NOTIFICATION_ID OFFSET ? ROWS FETCH NEXT ? ROWS ONLY";
+            sql = sql + " ORDER BY n1.NOTIFICATION_ID DESC OFFSET ? ROWS FETCH NEXT ? ROWS ONLY";
 
             stmt = conn.prepareStatement(sql);
             stmt.setInt(1, tenantId);

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/notification/mgt/dao/impl/PostgreSQLNotificationDAOImpl.java

@@ -49,7 +49,7 @@ public class PostgreSQLNotificationDAOImpl extends AbstractNotificationDAOImpl {
                     "SELECT n1.NOTIFICATION_ID, n1.DEVICE_ID, n1.OPERATION_ID, n1.STATUS, n1.DESCRIPTION," +
                     " d.DEVICE_IDENTIFICATION, d.NAME as DEVICE_NAME, t.NAME AS DEVICE_TYPE FROM DM_DEVICE d, DM_DEVICE_TYPE t, (SELECT " +
                     "NOTIFICATION_ID, DEVICE_ID, OPERATION_ID, STATUS, DESCRIPTION FROM DM_NOTIFICATION WHERE " +
-                    "TENANT_ID = ?) n1 WHERE n1.DEVICE_ID = d.ID AND d.DEVICE_TYPE_ID=t.ID AND TENANT_ID = ?";
+                    "TENANT_ID = ?) n1 WHERE n1.DEVICE_ID = d.ID AND d.DEVICE_TYPE_ID=t.ID AND TENANT_ID = ? ORDER BY n1.NOTIFICATION_ID DESC";
 
             sql = sql + " LIMIT ? OFFSET ?";
 
@@ -90,7 +90,7 @@ public class PostgreSQLNotificationDAOImpl extends AbstractNotificationDAOImpl {
                          "DM_DEVICE d, DM_DEVICE_TYPE t, (SELECT NOTIFICATION_ID, DEVICE_ID, " +
                          "OPERATION_ID, STATUS, DESCRIPTION FROM DM_NOTIFICATION WHERE " +
                          "TENANT_ID = ? AND STATUS = ?) n1 WHERE n1.DEVICE_ID = d.ID AND d.DEVICE_TYPE_ID=t.ID " +
-                         "AND TENANT_ID = ?";
+                         "AND TENANT_ID = ? ORDER BY n1.NOTIFICATION_ID DESC";
 
             sql = sql + " LIMIT ? OFFSET ?";
 

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/notification/mgt/dao/impl/SQLServerNotificationDAOImpl.java

@@ -51,7 +51,7 @@ public class SQLServerNotificationDAOImpl extends AbstractNotificationDAOImpl {
                     "NOTIFICATION_ID, DEVICE_ID, OPERATION_ID, STATUS, DESCRIPTION FROM DM_NOTIFICATION WHERE " +
                     "TENANT_ID = ?) n1 WHERE n1.DEVICE_ID = d.ID AND d.DEVICE_TYPE_ID=t.ID AND TENANT_ID = ?";
 
-            sql = sql + " ORDER BY n1.NOTIFICATION_ID OFFSET ? ROWS FETCH NEXT ? ROWS ONLY";
+            sql = sql + " ORDER BY n1.NOTIFICATION_ID DESC OFFSET ? ROWS FETCH NEXT ? ROWS ONLY";
 
             stmt = conn.prepareStatement(sql);
             stmt.setInt(1, tenantId);
@@ -92,7 +92,7 @@ public class SQLServerNotificationDAOImpl extends AbstractNotificationDAOImpl {
                          "TENANT_ID = ? AND STATUS = ?) n1 WHERE n1.DEVICE_ID = d.ID AND d.DEVICE_TYPE_ID=t.ID " +
                          "AND TENANT_ID = ?";
 
-            sql = sql + " ORDER BY n1.NOTIFICATION_ID OFFSET ? ROWS FETCH NEXT ? ROWS ONLY";
+            sql = sql + " ORDER BY n1.NOTIFICATION_ID DESC OFFSET ? ROWS FETCH NEXT ? ROWS ONLY";
 
             stmt = conn.prepareStatement(sql);
             stmt.setInt(1, tenantId);