Activiti历史信息的查询

package com.itheima.day03.activiti;

import org.activiti.engine.HistoryService;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.history.HistoricActivityInstance;
import org.activiti.engine.history.HistoricActivityInstanceQuery;

import java.util.List;

public class HistoryQuery {
    public static void main(String[] args) {
        //1.得到ProcessEngine对象
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

        //2.得到HistoryService
        HistoryService historyService = processEngine.getHistoryService();

        //3.得到HistoricActivitiInstanceQuery对象
        HistoricActivityInstanceQuery historicActivityInstanceQuery = historyService.createHistoricActivityInstanceQuery();

        historicActivityInstanceQuery.processInstanceId("2501");//设置流程实例的id

        List<HistoricActivityInstance> list = historicActivityInstanceQuery
                .orderByHistoricActivityInstanceStartTime().asc().list();//排序StartTime

        //5.遍历查询结果
        for (HistoricActivityInstance instance :list){
            System.out.println(instance.getActivityId());
            System.out.println(instance.getActivityName());
            System.out.println(instance.getProcessDefinitionId());
            System.out.println(instance.getProcessInstanceId());
            System.out.println("=============================");
        }

    }
}