对于问题跟踪系统,我需要计算请求的响应时间。响应时间的计时器应仅在工作时间运行。我应该使用什么算法/库来完成这项任务? (当然,我知道Joda-Time或ObjectLab Kit,但找不到任何帮助我的任务。我错过了什么吗?)
示例:
该方法可能类似于:
DateTime calculateResponseTime(DateTime issueReportedAt)
我将提供一些可能的输入和结果作为示例:
答案 0 :(得分:2)
您可以查看jBPM business calendar。
另一个library允许您配置银行假期,但它没有营业时间的概念。
答案 1 :(得分:2)
我认为Oleg的建议正在考虑jBPM实现此功能的方式,以便为您自己的解决方案编码提供灵感。以下是我通过做Google Code Search从我找到的来源中大量借用的答案。
它没有考虑到假期,但我将把它作为锻炼给你。我可以建议使用web service每年更新限制日期列表吗?祝你好运!
int fromHour = 9;
int fromMinute = 0;
int toHour = 17;
int toMinute = 0;
long maxResponseTime = 16;
Date calculateResponseTime(Date issueReportedAt, long responseHours) {
Date end = null;
Calendar responseTime = Calendar.getInstance();
responseTime.setTime(issueReportedAt);
int hourOfDay = responseTime.get(Calendar.HOUR_OF_DAY);
int dayOfWeek = responseTime.get(Calendar.DAY_OF_WEEK);
if (hourOfDay < fromHour) {
responseTime.set(Calendar.HOUR, fromHour);
}
if (hourOfDay >= toHour || dayOfWeek == 1) {
responseTime.add(Calendar.DATE, 1);
responseTime.set(Calendar.HOUR_OF_DAY, fromHour);
responseTime.set(Calendar.MINUTE, fromMinute);
} else if (dayOfWeek == 7) {
responseTime.add(Calendar.DATE, 2);
responseTime.set(Calendar.HOUR_OF_DAY, fromHour);
responseTime.set(Calendar.MINUTE, fromMinute);
}
int hour = responseTime.get(Calendar.HOUR_OF_DAY);
int minute = responseTime.get(Calendar.MINUTE);
long dateMilliseconds = ((hour * 60) + minute) * 60 * 1000;
long dayPartEndMilleseconds = ((toHour * 60) + toMinute) * 60 * 1000;
long millisecondsInThisDayPart = dayPartEndMilleseconds
- dateMilliseconds;
long durationMilliseconds = responseHours * 60 * 60 * 1000;
if (durationMilliseconds < millisecondsInThisDayPart) {
end = new Date(responseTime.getTimeInMillis()
+ durationMilliseconds);
} else {
long remainder = (durationMilliseconds - millisecondsInThisDayPart) / 60 / 60 / 1000;
Date dayPartEndDate = new Date(responseTime.getTimeInMillis()
+ durationMilliseconds);
responseTime.setTime(dayPartEndDate);
end = calculateResponseTime(responseTime.getTime(), remainder);
}
return end;
}
@Test
public void testCalculateResponseTime() {
Calendar issueReportedAt = Calendar.getInstance();
Calendar expectedResponseTime = Calendar.getInstance();
issueReportedAt.set(2011, 8, 19, 13, 0, 0);
expectedResponseTime.set(2011, 8, 21, 13, 0, 0);
assertTrue(expectedResponseTime.getTime().equals(
calculateResponseTime(issueReportedAt.getTime(),
maxResponseTime)));
issueReportedAt.set(2011, 8, 19, 18, 5, 0);
expectedResponseTime.set(2011, 8, 22, 9, 0, 0);
assertTrue(expectedResponseTime.getTime().equals(
calculateResponseTime(issueReportedAt.getTime(),
maxResponseTime)));
issueReportedAt.set(2011, 8, 23, 14, 0, 0);
expectedResponseTime.set(2011, 8, 27, 14, 0, 0);
assertTrue(expectedResponseTime.getTime().equals(
calculateResponseTime(issueReportedAt.getTime(),
maxResponseTime)));
}
答案 2 :(得分:0)
你需要在Anils回答的标准化部分添加一个额外的if情况,因为如果问题是在星期五上午10:00报告并且responseHours是10,那么在下一次递归调用中,issueReportedAt将是星期五晚上10点,女巫将被标准化为星期六晚上9点,女巫也是无效的。
if (hourOfDay >= WorkingHours.TO_HOUR && dayOfWeek == Calendar.FRIDAY) {
responseTime.add(Calendar.DATE, 3);
responseTime.set(Calendar.HOUR_OF_DAY, WorkingHours.FROM_HOUR);
responseTime.set(Calendar.MINUTE, WorkingHours.FROM_MINUTE);
}
答案 3 :(得分:0)
下面的代码确实解决了这个问题
IDlist = df_original.ID.tolist()
Countlist = df_original.Count.tolist()
...