/**
system.schedule('AssetUseInfoSchedule0331','0 0 20 31 MAR ? 2018-2035', new AssetUseInfoSchedule());
system.schedule('AssetUseInfoSchedule0630','0 0 20 30 JUN ? 2018-2035', new AssetUseInfoSchedule());
system.schedule('AssetUseInfoSchedule0930','0 0 20 30 SEP ? 2018-2035', new AssetUseInfoSchedule());
system.schedule('AssetUseInfoSchedule1231','0 0 20 31 DEC ? 2018-2035', new AssetUseInfoSchedule());
改为每月末执行，但是只有在3、6、9、12月时，才会进入执行batch的逻辑
*/
global class AssetUseInfoSchedule implements Schedulable {
	global void execute(SchedulableContext sc) {
		// 保有设备前一年使用情况记录(每年12月31日执行)
		if(Test.isRunningTest() || checkDate(date.today().addDays(-2))){
			Id execBTId = Database.executeBatch(new AssetUseInfoBatch(), 200);
		}
	}
    //判断当月是否3，6，9，12 月
	public boolean checkDate(Date today){

		if(today.month() == 3 || today.month() == 6 
			|| today.month() == 9 || today.month() == 12){
			return true;
		}
		return false;
	}
}