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

Nested Classes

Modifier and Type	Class and Description
protected static class	Stats.Times

Field Summary

Fields

Modifier and Type	Field and Description
protected ExtensionInfo	ext Extension we're collecting stats for.
protected java.util.List<java.lang.Object>	keys List of Objects used as keys to passTimes.
protected java.util.Map<java.lang.Object,Stats.Times>	passTimes Map from Objects to pair of inclusive and exclusive times.

Constructor Summary

Constructors

Constructor and Description
Stats(ExtensionInfo ext)

Method Summary

Methods

Modifier and Type	Method and Description
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<java.lang.Object,Stats.Times> passTimes

Map from Objects to pair of inclusive and exclusive times.

keys

protected java.util.List<java.lang.Object> 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.