public static List<Integer> getMobileOperationIdsFromMobileDeviceOperations( List<MobileDeviceOperationMapping> mobileDeviceOperationMappings) { List<Integer> mobileOperationIds = new ArrayList<Integer>(mobileDeviceOperationMappings.size()); for (MobileDeviceOperationMapping mobileDeviceOperationMapping : mobileDeviceOperationMappings) { mobileOperationIds.add(mobileDeviceOperationMapping.getOperationId()); } return mobileOperationIds; }