fix compilation error

components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/SubscriptionManagerImpl.java

@@ -642,6 +642,16 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
         }
     }
 
+    /**
+     * This method is responsible to add operation on given devices.
+     *
+     * @param applicationDTO application.
+     * @param deviceIdentifierList list of device identifiers.
+     * @param deviceType device type
+     * @param action action e.g :- INSTALL, UNINSTALL
+     * @return {@link Activity}
+     * @throws ApplicationManagementException if found an invalid device.
+     */
     private Activity addAppOperationOnDevices(ApplicationDTO applicationDTO,
             List<DeviceIdentifier> deviceIdentifierList, String deviceType, String action)
             throws ApplicationManagementException {
@@ -664,7 +674,6 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
     private Operation generateOperationPayloadByDeviceType(String deviceType, Application application, String action)
             throws ApplicationManagementException {
         try {
-            //todo rethink and modify the {@link App} usage
             if (ApplicationType.CUSTOM.toString().equalsIgnoreCase(application.getType())) {
                 ProfileOperation operation = new ProfileOperation();
                 if (SubAction.INSTALL.toString().equalsIgnoreCase(action)) {
@@ -720,7 +729,7 @@ public class SubscriptionManagerImpl implements SubscriptionManager {
                         return MDMIOSOperationUtil.createInstallAppOperation(app);
                     } else if (SubAction.UNINSTALL.toString().equalsIgnoreCase(action)) {
                         app.setType(mobileAppType);
-                        app.setAppIdentifier(application.getPackageName());
+                        app.setIdentifier(application.getPackageName());
                         return MDMIOSOperationUtil.createAppUninstallOperation(app);
                     } else {
                         String msg = "Invalid Action is found. Action: " + action;