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  • package org
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    root
  • package dmonix
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    org
  • package prometheus

    Adds a Scala layer on the official [Prometheus Java client](https://github.com/prometheus/client_java) library.

    Adds a Scala layer on the official [Prometheus Java client](https://github.com/prometheus/client_java) library. The purpose is to elevate on the capabilities of the Scala language and provide more fitting constructs. E.g. lambdas from Java don't translate very well into Scala, so this library provides functional approaches to where the original library uses lambdas. Also for time/latency/gauge measurement purposes this library provides means to measure Futures.

    E.g. measuring the time spent in a function block.

    val requestLatency:Histogram = ...
val result = requestLatency.measure{
  // Your code here.
}

    Or measuring the time to execute a future provided as result by a function. The code snippet below will measure the time from invoking the function block to when the future is completed

    val requestLatency:Histogram = ...
val f:Future[_] = requestLatency.measureAsync{
  Future {
    // Your code here.
  }
}
    Definition Classes
    dmonix
  • CounterImplicits
  • Counters
  • GaugeImplicits
  • Gauges
  • HistogramImplicits
  • Histograms
  • Implicits
  • Summaries
  • SummaryImplicits
  • TimeUnitImplicits

object Counters

Holds functions related to 'Counters'

Since

1.1

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  10. def incAfter[T](counter: Child)(block: ⇒ T): T

    Automatically increases the counter when the provided function block has executed.

    Automatically increases the counter when the provided function block has executed.

    val counter:Counter.Child = ...
Counters.incAfter(counter){
  //code goes here
}
    counter

    The counter to increase

    block

    The block of code to execute/measure

    returns

    The result created from the provided function block

    Since

    1.1

  11. def incAfter[T](counter: Counter)(block: ⇒ T): T

    Automatically increases the counter when the provided function block has executed.

    Automatically increases the counter when the provided function block has executed.

    val counter:Counter = ...
Counters.incAfter(counter){
  //code goes here
}
    counter

    The counter to increase

    block

    The block of code to execute/measure

    returns

    The result created from the provided function block

    Since

    1.1

  12. def incAfterAsync[T](counter: Child)(block: ⇒ Future[T])(implicit ec: ExecutionContext): Future[T]

    Automatically increases the counter when the future has completed.

    Automatically increases the counter when the future has completed.

    val counter:Counter.Child = ...
Counters.incAfterAsync(counter){
  Future {
    //code goes here
  }
}
    counter

    The counter to increase

    block

    The block of code to execute/measure

    returns

    The result created from the provided function block

    Since

    1.1

  13. def incAfterAsync[T](counter: Counter)(block: ⇒ Future[T])(implicit ec: ExecutionContext): Future[T]

    Automatically increases the counter when the future has completed.

    Automatically increases the counter when the future has completed.

    val counter:Counter = ...
Counters.incAfterAsync(counter){
  Future {
    //code goes here
  }
}
    counter

    The counter to increase

    block

    The block of code to execute/measure

    returns

    The result created from the provided function block

    Since

    1.1

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