How to use

setVariables

method

in

org.jbpm.api.TaskService

public void completeTask(long taskId, Map data, String performingUser) {
 TaskService taskService = this.processEngine.get(TaskService.class);
 if (data != null)
  taskService.setVariables(Long.toString(taskId), data);
 taskService.completeTask(Long.toString(taskId));
}

public void completeTask(long taskId, String outcome, Map data, String performingUser) {
 TaskService taskService = this.processEngine.get(TaskService.class);
 if (data != null)
  taskService.setVariables(Long.toString(taskId), data);
 taskService.completeTask(Long.toString(taskId), outcome);
}