package com.changhong.epc.count.service.system.func.set.aggregate;

import com.changhong.epc.count.service.count.model.UnitInfo;
import com.changhong.epc.count.service.system.func.set.AbsFuncSupper;
import com.changhong.epc.count.service.tool.SystemFunTool;
import com.googlecode.aviator.runtime.type.AviatorObject;
import com.googlecode.aviator.runtime.type.AviatorString;

import java.util.List;
import java.util.Map;
import java.util.Objects;


/**
 * 获得第一个行程控件的值
 * @Title: first
 * @param @param jList
 * @param @param mdCode
 * @param @return    设定文件
 * @return String    返回类型
 * @throws
 */
public class FirstUnitFuntion  extends AbsFuncSupper{

	@Override
	public AviatorObject call(Map<String, Object> env, AviatorObject arg1) {
		List<UnitInfo> jList = getJourneyList(env);
	    
		if(Objects.isNull(jList))
			return fun_empty;

		if(jList.size() > 0){
			return new AviatorString(SystemFunTool.getStringVal(arg1, env, jList.get(0)));
		}else{
			return fun_empty;
		}
		
	}
	
	@Override
	public String getName() {
		return FUNC_FIRST_UNIT_FUNTION;
	}
}