Package com.yahoo.jdisc.refcount

Class DebugReferencesByContextMap

java.lang.Object

com.yahoo.jdisc.refcount.DebugReferencesByContextMap

All Implemented Interfaces:

References

public class DebugReferencesByContextMap
extends Object
implements References

Does reference counting by putting a unique key together with optional context in map Used if system property jdisc.debug.resources=simple/true

Author:

baldersheim

Constructor Summary

Constructors

Constructor	Description
DebugReferencesByContextMap(DestructableResource resource, Object context)

Method Summary

Modifier and Type	Method	Description
String	currentState()
ResourceReference	refer(Object context)	Adds a reference and return an objects that when closed will return the reference.
int	referenceCount()	Returns number of held references
void	release()	Release the initial reference

Methods inherited from class java.lang.Object

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

Constructor Details

DebugReferencesByContextMap

public DebugReferencesByContextMap(DestructableResource resource,
 Object context)

Method Details

release

public void release()

Description copied from interface: References

Release the initial reference

Specified by:

release in interface References

referenceCount

public int referenceCount()

Description copied from interface: References

Returns number of held references

Specified by:

referenceCount in interface References

refer

public ResourceReference refer(Object context)

Description copied from interface: References

Adds a reference and return an objects that when closed will return the reference. Supply a context that can provide link to the one holding the link. Useful for debugging

Specified by:

refer in interface References

currentState

public String currentState()

Specified by:

currentState in interface References