com.hp.util.perf.api

Interface PerfMetricsProvider

All Known Implementing Classes:

MetricsCache

public interface PerfMetricsProvider

An interface for providing performance metrics.

Author:

Liem Nguyen

Method Summary

Modifier and Type	Method and Description
Perf	addPerfIfAbsent(String perfName) Add a new performance monitor if one has not existed, else return the existing one.
void	clearMetrics(String perfName) Clear all metrics for the given Perf's name.
void	clearPerfs() Clear all performance measurements.
Collection<Perf>	getAllPerfs() Get all Perf's.
Perf	getPerf(String perfName) Retrieve the Perf instance for the given name.

Method Detail

getAllPerfs

Collection<Perf> getAllPerfs()

Get all Perf's.

Returns:

all Perf's

getPerf

Perf getPerf(String perfName)

Retrieve the Perf instance for the given name.

Parameters:

perfName - name of Perf structure

Returns:

Perf instance

addPerfIfAbsent

Perf addPerfIfAbsent(String perfName)

Add a new performance monitor if one has not existed, else return the existing one.

Parameters:

perfName - performance monitor name

Returns:

Perf instance

clearPerfs

void clearPerfs()

Clear all performance measurements. Use with caution!

clearMetrics

void clearMetrics(String perfName)

Clear all metrics for the given Perf's name.

Parameters:

perfName - name of Perf