Activiti流程定义信息查询

package com.itheima.day03.activiti;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.repository.ProcessDefinition;
import org.activiti.engine.repository.ProcessDefinitionQuery;

import java.util.List;

/**
 * 查询流程定义信息
 */
public class QueryProcessDefinition {


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

        //2.创建RepositoryService对象
        RepositoryService repositoryService = processEngine.getRepositoryService();

        //3.得到ProcessDefinitionQuery对象,可以认为它就是一个查询器
        ProcessDefinitionQuery processDefinitionQuery = repositoryService.createProcessDefinitionQuery();

        //4.设置条件，并查询出当前的所有流程定义   查询条件：流程定义的key=holiday
        //orderByProcessDefinitionVersion() 设置排序方式,根据流程定义的版本号进行排序
        List<ProcessDefinition> list = processDefinitionQuery.processDefinitionKey("holiday")
                .orderByProcessDefinitionVersion()
                .desc().list();

        //5.输出流程定义信息
        for(ProcessDefinition processDefinition :list){
            System.out.println("流程定义ID："+processDefinition.getId());
            System.out.println("流程定义名称："+processDefinition.getName());
            System.out.println("流程定义的Key："+processDefinition.getKey());
            System.out.println("流程定义的版本号："+processDefinition.getVersion());
            System.out.println("流程部署的ID:"+processDefinition.getDeploymentId());

        }
    }
}