org.w3c.tools.resources
Class DummyResourceReference

java.lang.Object
  org.w3c.tools.resources.DummyResourceReference

All Implemented Interfaces:

ResourceReference

public class DummyResourceReference
extends java.lang.Object
implements ResourceReference

This class implements the ResourceReference interface. For external use only. The ResourceStoreManager has its own Reference class.

Field Summary

protected int

lockCount The lock count associated to the reference.

Constructor Summary

DummyResourceReference(Resource resource)

Method Summary

void	invalidate() Set this reference as invalid.
boolean	isLocked() Is that resource reference locked ?
Resource	lock() Lock the refered resource in memory.
int	nbLock() How many locks?
void	unlock() Unlock that resource from memory.
Resource	unsafeLock() Lock the refered resource in memory.
void	updateContext(ResourceContext ctxt) update the cached context of that reference.

Methods inherited from class java.lang.Object

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

Field Detail

lockCount

protected int lockCount

The lock count associated to the reference.

Constructor Detail

DummyResourceReference

public DummyResourceReference(Resource resource)

Parameters:

resource - The resource to reference.

Method Detail

updateContext

public void updateContext(ResourceContext ctxt)

update the cached context of that reference.

Specified by:

updateContext in interface ResourceReference

Parameters:

ctxt - the new ResourceContext.

lock

public Resource lock()
              throws InvalidResourceException

Lock the refered resource in memory.

Specified by:

lock in interface ResourceReference

Returns:

A real pointer to the resource.

Throws:

InvalidResourceException - is thrown if the resource is invalid (has been deleted or everything else).

unsafeLock

public Resource unsafeLock()
                    throws InvalidResourceException

Lock the refered resource in memory.

Specified by:

unsafeLock in interface ResourceReference

Returns:

A real pointer to the resource.

Throws:

InvalidResourceException - is thrown if the resource is invalid (has been deleted or everything else).

nbLock

public int nbLock()

How many locks?

Specified by:

nbLock in interface ResourceReference

Returns:

an int.

unlock

public void unlock()

Unlock that resource from memory.

Specified by:

unlock in interface ResourceReference

isLocked

public boolean isLocked()

Is that resource reference locked ?

Specified by:

isLocked in interface ResourceReference

Returns:

a boolean.

invalidate

public void invalidate()

Set this reference as invalid.