Package com.jalios.jstore

Class Swizzler

java.lang.Object

com.jalios.jstore.Swizzler

public class Swizzler
extends java.lang.Object

This class manages the id <-> storable maps.

Version:

$Revision: 134140 $

Author:

Olivier Dedieu

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	REVISION

Method Summary

Modifier and Type	Method	Description
void	decRC(Storable storable)	Decrements the Reference Counter of the storable
Storable	getStorable(java.lang.String id)
void	incRC(Storable storable)	Increments the Reference Counter of the storable
boolean	isReferrenced(Storable storable)
boolean	isSwizzled(Storable storable)	Check if the specified Storable (or any storable with matching id) has been saved in Swizzler
boolean	isSwizzled(java.lang.String id)
java.util.Iterator<Storable>	iterator()	Return an iterator on the storable set
void	registerStorable(Storable storable, java.util.Map<java.lang.String,java.lang.String> attributes)	Swizzler ID <==> Storable
void	removeStorable(Storable storable)
void	swizzle(java.util.Map<java.lang.String,java.lang.String> attributes)	Replace in the Map the storables by their ID storable -> ID
void	updateArrayOfReferences(Storable[] array, Storable[] updatedArray)
void	updateReferences(Storable storable, Storable updated)	Updates the references of a storable and its update

Methods inherited from class java.lang.Object

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

Field Detail

REVISION

public static final java.lang.String REVISION

See Also:

Constant Field Values

Method Detail

registerStorable

public void registerStorable(Storable storable,
                             java.util.Map<java.lang.String,java.lang.String> attributes)

Swizzler ID <==> Storable

removeStorable

public void removeStorable(Storable storable)

updateReferences

public void updateReferences(Storable storable,
                             Storable updated)
                      throws java.io.IOException

Updates the references of a storable and its update

Parameters:

storable - the old referenced storable

updated - the updated storable

Throws:

java.io.IOException

updateArrayOfReferences

public void updateArrayOfReferences(Storable[] array,
                                    Storable[] updatedArray)
                             throws java.io.IOException

Throws:

java.io.IOException

getStorable

public Storable getStorable(java.lang.String id)

isSwizzled

public boolean isSwizzled(Storable storable)

Check if the specified Storable (or any storable with matching id) has been saved in Swizzler

Parameters:

storable - a Storable instance, may be null

Returns:

false if specified storable is null, has a null id, or has not been stored in swizzler, true if storable was found in swizzler

isSwizzled

public boolean isSwizzled(java.lang.String id)

iterator

public java.util.Iterator<Storable> iterator()

Return an iterator on the storable set

Returns:

the storable iterator.

swizzle

public void swizzle(java.util.Map<java.lang.String,java.lang.String> attributes)

Replace in the Map the storables by their ID storable -> ID

incRC

public void incRC(Storable storable)

Increments the Reference Counter of the storable

Parameters:

storable - the target storable

decRC

public void decRC(Storable storable)

Decrements the Reference Counter of the storable

Parameters:

storable - the target storable

isReferrenced

public boolean isReferrenced(Storable storable)