polyglot.frontend
Class Stats

java.lang.Object
  polyglot.frontend.Stats

public class Stats
extends java.lang.Object

Statistics collection and reporting object. Extensions can override this to collect more stats or to change reporting.

Nested Class Summary

protected static class

Stats.Times

Field Summary

protected ExtensionInfo	ext Extension we're collecting stats for.
protected java.util.List	keys List of Objects used as keys to passTimes.
protected java.util.Map	passTimes Map from Objects to pair of inclusive and exclusive times.

Constructor Summary

Stats(ExtensionInfo ext)

Method Summary

void	accumPassTimes(java.lang.Object key, long in, long ex) Accumulate inclusive and exclusive times for a pass.
long	passTime(java.lang.Object key, boolean inclusive) Return the accumulated times for a pass.
void	report() Report the stats.
void	resetPassTimes(java.lang.Object key) Reset the accumulated times for a pass.

Methods inherited from class java.lang.Object

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

Field Detail

ext

protected ExtensionInfo ext

Extension we're collecting stats for.

passTimes

protected java.util.Map passTimes

Map from Objects to pair of inclusive and exclusive times.

keys

protected java.util.List keys

List of Objects used as keys to passTimes. We have an explicit list in order to report the keys in order.

Constructor Detail

Stats

public Stats(ExtensionInfo ext)

Method Detail

resetPassTimes

public void resetPassTimes(java.lang.Object key)

Reset the accumulated times for a pass.

passTime

public long passTime(java.lang.Object key,
                     boolean inclusive)

Return the accumulated times for a pass.

accumPassTimes

public void accumPassTimes(java.lang.Object key,
                           long in,
                           long ex)

Accumulate inclusive and exclusive times for a pass.

report

public void report()

Report the stats.