io.micrometer.core.instrument

Class Metrics.More

java.lang.Object

io.micrometer.core.instrument.Metrics.More

Enclosing class:

Metrics

public static class Metrics.More
extends java.lang.Object

Additional, less commonly used meter types.

Constructor Summary

Constructors

Constructor and Description
More()

Method Summary

Modifier and Type	Method and Description
<T extends java.lang.Number> FunctionCounter	counter(java.lang.String name, java.lang.Iterable<Tag> tags, T number) Tracks a number, maintaining a weak reference on it.
<T> FunctionCounter	counter(java.lang.String name, java.lang.Iterable<Tag> tags, T obj, java.util.function.ToDoubleFunction<T> countFunction) Tracks a monotonically increasing value, automatically incrementing the counter whenever the value is observed.
LongTaskTimer	longTaskTimer(java.lang.String name, java.lang.Iterable<Tag> tags) Measures the time taken for long tasks.
LongTaskTimer	longTaskTimer(java.lang.String name, java.lang.String... tags) Measures the time taken for long tasks.
<T> TimeGauge	timeGauge(java.lang.String name, java.lang.Iterable<Tag> tags, T obj, java.util.concurrent.TimeUnit timeFunctionUnit, java.util.function.ToDoubleFunction<T> timeFunction) A gauge that tracks a time value, to be scaled to the monitoring system's base time unit.
<T> FunctionTimer	timer(java.lang.String name, java.lang.Iterable<Tag> tags, T obj, java.util.function.ToLongFunction<T> countFunction, java.util.function.ToDoubleFunction<T> totalTimeFunction, java.util.concurrent.TimeUnit totalTimeFunctionUnit) A timer that tracks monotonically increasing functions for count and totalTime.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

More

public More()

Method Detail

longTaskTimer

public LongTaskTimer longTaskTimer(java.lang.String name,
                                   java.lang.String... tags)

Measures the time taken for long tasks.

Parameters:

name - Name of the gauge being registered.

tags - MUST be an even number of arguments representing key/value pairs of tags.

Returns:

A new or existing long task timer.

longTaskTimer

public LongTaskTimer longTaskTimer(java.lang.String name,
                                   java.lang.Iterable<Tag> tags)

Measures the time taken for long tasks.

Parameters:

name - Name of the gauge being registered.

tags - Sequence of dimensions for breaking down the name.

Returns:

A new or existing long task timer.

counter

public <T> FunctionCounter counter(java.lang.String name,
                                   java.lang.Iterable<Tag> tags,
                                   T obj,
                                   java.util.function.ToDoubleFunction<T> countFunction)

Tracks a monotonically increasing value, automatically incrementing the counter whenever the value is observed.

Type Parameters:

T - The type of the state object from which the counter value is extracted.

Parameters:

name - Name of the gauge being registered.

tags - Sequence of dimensions for breaking down the name.

obj - State object used to compute a value.

countFunction - Function that produces a monotonically increasing counter value from the state object.

Returns:

A new or existing function counter.

counter

public <T extends java.lang.Number> FunctionCounter counter(java.lang.String name,
                                                            java.lang.Iterable<Tag> tags,
                                                            T number)

Tracks a number, maintaining a weak reference on it.

Type Parameters:

T - The type of the state object from which the counter value is extracted.

Parameters:

name - Name of the gauge being registered.

tags - Sequence of dimensions for breaking down the name.

number - A monotonically increasing number to track.

Returns:

A new or existing function counter.

timeGauge

public <T> TimeGauge timeGauge(java.lang.String name,
                               java.lang.Iterable<Tag> tags,
                               T obj,
                               java.util.concurrent.TimeUnit timeFunctionUnit,
                               java.util.function.ToDoubleFunction<T> timeFunction)

A gauge that tracks a time value, to be scaled to the monitoring system's base time unit.

Type Parameters:

T - The type of the state object from which the gauge value is extracted.

Parameters:

name - Name of the gauge being registered.

tags - Sequence of dimensions for breaking down the name.

obj - State object used to compute a value.

timeFunctionUnit - The base unit of time produced by the total time function.

timeFunction - Function that produces a time value from the state object. This value may increase and decrease over time.

Returns:

A new or existing time gauge.

timer

public <T> FunctionTimer timer(java.lang.String name,
                               java.lang.Iterable<Tag> tags,
                               T obj,
                               java.util.function.ToLongFunction<T> countFunction,
                               java.util.function.ToDoubleFunction<T> totalTimeFunction,
                               java.util.concurrent.TimeUnit totalTimeFunctionUnit)

A timer that tracks monotonically increasing functions for count and totalTime.

Type Parameters:

T - The type of the state object from which the function values are extracted.

Parameters:

name - Name of the gauge being registered.

tags - Sequence of dimensions for breaking down the name.

obj - State object used to compute a value.

countFunction - Function that produces a monotonically increasing counter value from the state object.

totalTimeFunction - Function that produces a monotonically increasing total time value from the state object.

totalTimeFunctionUnit - The base unit of time produced by the total time function.

Returns:

A new or existing function timer.