How to use

getKey

method

in

org.activiti.engine.repository.Model

/**
 * 导出model的png文件
 */
@RequestMapping(value = "/model/export/image/{modelId}", method = RequestMethod.GET)
public void exportPng(@PathVariable("modelId") String modelId, HttpServletResponse response) {
  try {
    Model modelData = repositoryService.getModel(modelId);
    byte[] pngBytes = repositoryService.getModelEditorSourceExtra(modelData.getId());
    ByteArrayInputStream in = new ByteArrayInputStream(pngBytes);
    IOUtils.copy(in, response.getOutputStream());
    String filename = modelData.getKey() + ".process.model.png";
    response.setHeader("Content-Disposition", "attachment; filename=" + filename);
    response.flushBuffer();
  } catch (Exception e) {
    LOGGER.error("导出model的png文件失败：modelId={}", modelId, e);
  }
}

  String fileName = model.getKey() + ".model.bpmn";
  String realPath = dirPath + File.separator + DIR_PATH + File.separator + fileName;
  File file = new File(realPath);
} else {
  byte[] pngBytes = repositoryService.getModelEditorSourceExtra(modelId);
  String fileName = model.getKey() + ".model.png";
  String realPath = dirPath + File.separator + DIR_PATH + File.separator + fileName;
  File file = new File(realPath);

String fileName = modelData.getKey() + ".bpmn20.model.zip";
String zipFileName = DIR_PATH + File.separator + fileName;
File file = new File(basePath + File.separator + zipFileName);
String processName = modelData.getKey() + ".bpmn20.xml";
DeploymentBuilder deploymentBuilder = repositoryService.createDeployment()
    .name(modelData.getName())

 Map<String, Model> modelMap = new HashMap<String, Model>();
for (Model model : modelList)
  if (!modelMap.containsKey(model.getKey())) modelMap.put(model.getKey(), model);

Iterator it = entityList.iterator();
while (it.hasNext()) {
  Entity entity = (Entity) it.next();
  String key = entity.getKey();
  if (modelMap.containsKey(key)) merge(entity, modelMap.get(key));
  else it.remove();
}

public ModelResponse createModelResponse(Model model, RestUrlBuilder urlBuilder) {
 ModelResponse response = new ModelResponse();
 response.setCategory(model.getCategory());
 response.setCreateTime(model.getCreateTime());
 response.setId(model.getId());
 response.setKey(model.getKey());
 response.setLastUpdateTime(model.getLastUpdateTime());
 response.setMetaInfo(model.getMetaInfo());
 response.setName(model.getName());
 response.setDeploymentId(model.getDeploymentId());
 response.setVersion(model.getVersion());
 response.setTenantId(model.getTenantId());
 response.setUrl(urlBuilder.buildUrl(RestUrls.URL_MODEL, model.getId()));
 if (model.getDeploymentId() != null) {
  response.setDeploymentUrl(urlBuilder.buildUrl(RestUrls.URL_DEPLOYMENT, model.getDeploymentId()));
 }
 if (model.hasEditorSource()) {
  response.setSourceUrl(urlBuilder.buildUrl(RestUrls.URL_MODEL_SOURCE, model.getId()));
 }
 if (model.hasEditorSourceExtra()) {
  response.setSourceExtraUrl(urlBuilder.buildUrl(RestUrls.URL_MODEL_SOURCE_EXTRA, model.getId()));
 }
 return response;
}