Package com.mchange.v2.encounter

Class WeakEqualityEncounterCounter

java.lang.Object

com.mchange.v2.encounter.WeakEqualityEncounterCounter

All Implemented Interfaces:

EncounterCounter

public class WeakEqualityEncounterCounter
extends Object

NOTE: Use of WeakEqualityEncounterCounter can't fully guarantee counts with equality semantics, as an Object can be encounted garbage collected, then re-encountered with no apparent history.

Constructor Summary

Constructors

Constructor	Description
WeakEqualityEncounterCounter()

Method Summary

Modifier and Type	Method	Description
long	encounter(Object o)
long	reset(Object o)
void	resetAll()	Remove all Object histories, resetting counts and clearing any references from strong counters.

Methods inherited from class java.lang.Object

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

Constructor Details

WeakEqualityEncounterCounter

public WeakEqualityEncounterCounter()

Method Details

encounter

public long encounter(Object o)

Specified by:

encounter in interface EncounterCounter

Returns:

how many times have I seen this object before?

reset

public long reset(Object o)

Specified by:

reset in interface EncounterCounter

Returns:

how many times have I seen this object before, then remove this Object's history, resetting its count and eliminating any reference from strong counters.

resetAll

public void resetAll()

Description copied from interface: EncounterCounter

Remove all Object histories, resetting counts and clearing any references from strong counters.

Specified by:

resetAll in interface EncounterCounter