package com.highdatas.mdm.service.act.impl;


import com.highdatas.mdm.entity.TUser;
import org.activiti.engine.TaskService;
import org.activiti.engine.task.Task;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;

import javax.servlet.http.HttpSession;
import java.util.Map;

public class BaseServiceImpl {
	protected static Logger logger = Logger.getLogger(BaseServiceImpl.class);
	@Autowired
	TaskService taskService;

	private HttpSession session;
	private TUser user;

	public TUser getUser() {
		return user;
	}

	public void setUser(TUser user) {
		this.user = user;
	}

	public void setSession(HttpSession session) {
		this.session = session;
	}


	protected Object getParameter(String name) {
		if (session == null) {
			return null;
		}
		return session.getAttribute(name);
	}

	protected TUser getOnlineUser() {
		if (session == null && user == null) {
			return null;
		}else if (session != null) {
			return (TUser) session.getAttribute("user");
		}else {
			return user;
		}
	}


	protected Task getTask(String processId) {
        Task task = taskService.createTaskQuery().processInstanceId(processId).singleResult();
		return task;
	}
	
	public Map<String, Object> getTaskVariables(String processId) {
		Task task = taskService.createTaskQuery().processInstanceId(processId).singleResult();
		Map<String, Object> variables = taskService.getVariables(task.getId());
		return variables;
	}
	
	protected void error(String error) {
		logger.error(error);
	}
}