code: public void genNodeDataMap(ParallelTask task) {
  
          TargetHostMeta targetHostMeta = task.getTargetHostMeta();
          HttpMeta httpMeta = task.getHttpMeta();
  
          String entityBody = httpMeta.getEntityBody();
          String requestContent = HttpMeta
                  .replaceDefaultFullRequestContent(entityBody);
  
          Map<String, NodeReqResponse> parallelTaskResult = task
                  .getParallelTaskResult();
          for (String fqdn : targetHostMeta.getHosts()) {
              NodeReqResponse nodeReqResponse = new NodeReqResponse(fqdn);
              nodeReqResponse.setDefaultReqestContent(requestContent);
              parallelTaskResult.put(fqdn, nodeReqResponse);
          }
      }
docs: Generate node data map.
  
  @param task
  the job info