红帽全球峰会221.9. Timer
micrometer:timer:metricname[?options]
micrometer:timer:metricname[?options]221.9.1. 选项
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| 名称 | default | 描述 |
|---|---|---|
| action | - | 启动或停止 |
如果没有提供 操作 或无效值，则会在没有任何计时器更新的情况下记录警告。如果已经运行的计时器或 stop 在未知计时器上调用 action start，则不会更新任何内容并记录警告。
// measure time spent in route "direct:calculate"
from("direct:in")
.to("micrometer:timer:simple.timer?action=start")
.to("direct:calculate")
.to("micrometer:timer:simple.timer?action=stop");
// measure time spent in route "direct:calculate"
from("direct:in")
.to("micrometer:timer:simple.timer?action=start")
.to("direct:calculate")
.to("micrometer:timer:simple.timer?action=stop");
timer.Sample 对象作为不同指标组件调用之间的 Exchange 属性保存。
操作 被评估为一个简单的表达式，返回类型为 MicrometerTimerAction 的结果。
221.9.2. Headers
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与 camel-metrics 一样，可以使用特定的 Message 标头来覆盖 Micrometer 端点 URI 中指定的操作值。
| 名称 | 描述 | 预期类型 |
|---|---|---|
| CamelMetricsTimerAction | 覆盖 URI 中的计时器操作 |
|
// sets timer action using header
from("direct:in")
.setHeader(MicrometerConstants.HEADER_TIMER_ACTION, MicrometerTimerAction.start)
.to("micrometer:timer:simple.timer")
.to("direct:out");
// sets timer action using header
from("direct:in")
.setHeader(MicrometerConstants.HEADER_TIMER_ACTION, MicrometerTimerAction.start)
.to("micrometer:timer:simple.timer")
.to("direct:out");
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