com.mchange.v2.encounter
Class WeakEqualityEncounterCounter

java.lang.Object
  extended by com.mchange.v2.encounter.WeakEqualityEncounterCounter
All Implemented Interfaces:
EncounterCounter

public class WeakEqualityEncounterCounter
extends java.lang.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
WeakEqualityEncounterCounter()
           
 
Method Summary
 long encounter(java.lang.Object o)
           
 long reset(java.lang.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 Detail

WeakEqualityEncounterCounter

public WeakEqualityEncounterCounter()
Method Detail

encounter

public long encounter(java.lang.Object o)
Specified by:
encounter in interface EncounterCounter
Returns:
how many times have I seen this object before?

reset

public long reset(java.lang.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