3.ElasticSearch预警服务-Watcher详解-Schedule配置

??? Watcher服务详解-定时器的设定??? ???
??? 关于Schedule配置选择，Watcher提供了丰富的时间语法支持，采用UTC时间，来我们一起看下如何设置:
???
? ? 支持的设置方式：
??? hourly:按小时周期设置
??? daily:按天周期设置
??? weekly:按周周期设置
??? monthly:按月周期设置
??? yearly:按年周期设置
??? cron:Cron表达式设置
??? interval :固定周期设置???
???
??? 详细案例：
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?? 1.按小时??? ?

    每小时过30分钟执行
    "trigger" : {"schedule" : {"hourly" : { "minute" : 30 }}}
    指定时间执行,每小时第0,15,30,45分钟执行
    "trigger" : {"schedule" : {"hourly" : { "minute" : [ 0, 15, 30, 45 ] }}}

????
??? 2.按天??

    每天下午5点执行
    "trigger" : {"schedule" : {"daily" : { "at" : "17:00" }}}
    "trigger" : {"schedule" : {"daily" : { "at" { "hour" : 17, "minute" : 0 } }
    每天00:00, 12:00, 17:00 执行
    "trigger" : {"schedule" : {"daily" : { "at" : [ "midnight", "noon", "17:00" ] }}}
    每天00:00, 00:30, 12:00, 12:30, 17:00,17:30执行
    "trigger" : {"schedule" : {"daily" : {"at" {"hour" : [ 0, 12, 17 ]"minute" : [0, 30]}}

???
??? 3.按星期??? ???

    每周五下午5点执行
    "trigger" : {"schedule" : {"weekly" : { "on" : "friday", "at" : "17:00" } }}
    每周二12:00，周五17:00执行
    "trigger" : {"schedule" : {"weekly" : [{ "on" : "tuesday", "at" : "noon" },{ "on" : "friday", "at" : "17:00" }]}}
    每周二，周五的12:00,17:00执行
    "trigger" : {"schedule" : {"weekly" : {"on" : [ "tuesday", "friday" ]"at" : [ "noon", "17:00" ]}}

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??? 4.按月???

    每月10号12:00执行
    "trigger" : {"schedule" : {"monthly" : { "on" : 10, "at" : "noon" }}}
    每月10号12:00,20号17:00执行
    "trigger" : {"schedule" : {"monthly" : [{ "on" : 10, "at" : "noon" },{ "on" : 20, "at" : "17:00" }]}
    每月10号，20号的0:00,12:00执行
    "trigger" : {"schedule" : {"monthly" : {"on" : [ 10, 20 ]"at" : [ "midnight", "noon" ]}}

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??? 5.按年??

 "trigger" : {"schedule" : {"yearly" : { "in" : "january", "on" : 10, "at" : "noon" } }}
 "trigger" : {"schedule" : {"yearly" : [{ "in" : "january", "on" : 10, "at" : "noon" },{ "in" : "july", "on" : 20, "at" : "17:00" }]}
 "trigger" : {"schedule" : {"yearly" : {"in: : [ "jan", "dec" ],"on" : [ 10, 20 ],"at" : [ "midnight", "noon" ]}}

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??? 6.Cron表达式???

"trigger" : {"schedule" : { "cron" : "0 0 12 * * ?"  } }

????
??? 7.固定周期设置?

    5秒
    "trigger" : { "schedule" : {"interval" : "5s" } }
    5分钟
    "trigger" : { "schedule" : {"interval" : "5m" } }
    5小时
    "trigger" : { "schedule" : {"interval" : "5h" } }
    5天
    "trigger" : { "schedule" : {"interval" : "5d" } }
    5周
    "trigger" : { "schedule" : {"interval" : "5w" } }
    

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3.ElasticSearch预警服务-Watcher详解-Schedule配置

原文：http://corejava2008.iteye.com/blog/2213407