ru.vyarus.dropwizard.guice.module.context.stat

Class StatsTracker

java.lang.Object

ru.vyarus.dropwizard.guice.module.context.stat.StatsTracker

public final class StatsTracker
extends java.lang.Object

Internal object, used to record startup stats. Guava {#Stopwatch} used for time measurements (also native stopwatch time formatting is used). All metrics are cumulative (all measurements are summed).

Since:

27.07.2016

Constructor Summary

Constructors

Constructor and Description
StatsTracker()

Method Summary

Modifier and Type	Method and Description
void	count(Stat name, int count) Inserts value for first call and sum values for consequent calls.
java.util.Map<Stat,java.lang.Integer>	getCounters()
java.util.Map<Stat,com.google.common.base.Stopwatch>	getTimers()
void	startHkTimer(Stat name) Special methods for tracking time in HK2 scope.
void	stopHkTimer(Stat name) Called to stop currently measured HK2 metric (also stops main guice and HK2 timers).
com.google.common.base.Stopwatch	timer(Stat name) If measured first time, returns new instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

StatsTracker

public StatsTracker()

Method Detail

timer

public com.google.common.base.Stopwatch timer(Stat name)

If measured first time, returns new instance. For second and following measures returns the same instance (to sum measurements). Assumed proper usage: timer stat provided and returned watch correctly stopped.

Parameters:

name - statistic name

Returns:

timer to measure time

count

public void count(Stat name,
                  int count)

Inserts value for first call and sum values for consequent calls.

Parameters:

name - statistics name

count - counter value

startHkTimer

public void startHkTimer(Stat name)

Special methods for tracking time in HK2 scope. Such complication used to avoid using 3 different trackers in code. HK2 initialization is performed after bundles run and so out of scope of GuiceBundle.

Parameters:

name - HK2 statistics name

stopHkTimer

public void stopHkTimer(Stat name)

Called to stop currently measured HK2 metric (also stops main guice and HK2 timers).

Parameters:

name - HK2 statistic name

getTimers

public java.util.Map<Stat,com.google.common.base.Stopwatch> getTimers()

Returns:

collected timers map

getCounters

public java.util.Map<Stat,java.lang.Integer> getCounters()

Returns:

collected counters map