io.vertx.core.spi.metrics

public Interface PoolMetrics<T>

Known Direct Implementers: io.vertx.core.metrics.impl.DummyVertxMetrics.DummyWorkerPoolMetrics

An SPI used internally by Vert.x to gather metrics on pools used by Vert.x (execute blocking, worker verticle or data source).

Usually these metrics measure the latency of a task queuing and the latency a task execution.

Field Summary

Inherited from io.vertx.core.spi.metrics.Metrics:: DISABLE_METRICS_PROPERTY_NAME METRICS_ENABLED

Modifier and Type	Method and Description
public default T	Returns: the timer measuring the task execution begin(T the timer measuring the task queuing returned by `submitted()` t) The submitted task start to use the resource.
public default void	end(T the timer measuring the task execution returned by `begin` t, boolean whether or not the task has gracefully completed succeeded) The submitted tasks has completed its execution and release the resource.
public default void	rejected(T the timer measuring the task queuing returned by `submitted()` t) The task has been rejected.
public default T	Returns: the timer measuring the task queuing submitted() A new task has been submitted to access the resource.

begin back to summary

begin	back to summary
public default T begin(T t) The submitted task start to use the resource. Parameters t:T the timer measuring the task queuing returned by `submitted()` Returns:T the timer measuring the task execution

public default T begin(T t)

The submitted task start to use the resource.

Parameters

Returns:T

the timer measuring the task execution

end back to summary

end	back to summary
public default void end(T t, boolean succeeded) The submitted tasks has completed its execution and release the resource. Parameters t:T the timer measuring the task execution returned by `begin` succeeded:boolean whether or not the task has gracefully completed

public default void end(T t, boolean succeeded)

The submitted tasks has completed its execution and release the resource.

Parameters

rejected back to summary

rejected	back to summary
public default void rejected(T t) The task has been rejected. The underlying resource has probably be shutdown. Parameters t:T the timer measuring the task queuing returned by `submitted()`

public default void rejected(T t)

The task has been rejected. The underlying resource has probably be shutdown.

Parameters

submitted	back to summary
public default T submitted() A new task has been submitted to access the resource. This method is called from the submitter context. Returns:T the timer measuring the task queuing

submitted

public default T submitted()

A new task has been submitted to access the resource. This method is called from the submitter context.