// ============================== DELETE ============================== public Integer deleteCampaign(List<Long> campaignIds) throws ApiException { DeleteCampaignRequest request = new DeleteCampaignRequest(); request.setCampaignIds(campaignIds); CampaignService campaignService = commonService.getService(CampaignService.class); DeleteCampaignResponse response = campaignService.deleteCampaign(request); if (response == null) { try { TimeUnit.SECONDS.sleep(3); } catch (InterruptedException e) { e.printStackTrace(); } if (response != null) return response.getResult(); } return -1; }