org.castor.persist.proxy
Class RelationCollection

java.lang.Object
  org.castor.persist.proxy.RelationCollection

All Implemented Interfaces:

java.util.Collection, Lazy, TxSynchronizable

public final class RelationCollection

extends java.lang.Object

implements java.util.Collection, Lazy, TxSynchronizable

RelationCollection implements Collection It is a lazy Colllection. The collection initially contains only the identities of elements of one type. If any element is needed, it will be fetched "on the fly".

Author:

Thomas Yip

Constructor Summary

RelationCollection(TransactionContext tx, OID enclosing, ClassMolder molder, org.exolab.castor.mapping.AccessMode amode, java.util.ArrayList ids)
Creates an instance of RelationCollection.

Method Summary

boolean	add(java.lang.Object o)
boolean	addAll(java.util.Collection c)
void	clear()
void	committed(TransactionContext tx) Called at the end of a transaction after commit.
boolean	contains(java.lang.Object o)
boolean	containsAll(java.util.Collection c)
boolean	equals(java.lang.Object o)
java.lang.Object	find(java.lang.Object ids)
java.util.ArrayList	getAdded()
java.util.ArrayList	getDeleted()
java.util.ArrayList	getIdentitiesList()
int	hashCode()
boolean	isEmpty()
java.util.Iterator	iterator()
boolean	remove(java.lang.Object o)
boolean	removeAll(java.util.Collection c)
boolean	retainAll(java.util.Collection c)
void	rolledback(TransactionContext tx) Called at the end of a transaction after rollback.
int	size()
java.lang.Object[]	toArray()
java.lang.Object[]	toArray(java.lang.Object[] a)

Methods inherited from class java.lang.Object

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

Constructor Detail

RelationCollection

public RelationCollection(TransactionContext tx,
                          OID enclosing,
                          ClassMolder molder,
                          org.exolab.castor.mapping.AccessMode amode,
                          java.util.ArrayList ids)

Creates an instance of RelationCollection.

Parameters:

tx - Current transaction context

enclosing - Enclosing OID

molder - Associated ClassMolder

amode - Access mode

ids - Set of identifiers.

Method Detail

add

public boolean add(java.lang.Object o)

Specified by:

add in interface java.util.Collection

addAll

public boolean addAll(java.util.Collection c)

Specified by:

addAll in interface java.util.Collection

clear

public void clear()

Specified by:

clear in interface java.util.Collection

contains

public boolean contains(java.lang.Object o)

Specified by:

contains in interface java.util.Collection

containsAll

public boolean containsAll(java.util.Collection c)

Specified by:

containsAll in interface java.util.Collection

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface java.util.Collection

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Collection

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Collection

iterator

public java.util.Iterator iterator()

Specified by:

iterator in interface java.util.Collection

remove

public boolean remove(java.lang.Object o)

Specified by:

remove in interface java.util.Collection

removeAll

public boolean removeAll(java.util.Collection c)

Specified by:

removeAll in interface java.util.Collection

retainAll

public boolean retainAll(java.util.Collection c)

Specified by:

retainAll in interface java.util.Collection

size

public int size()

Specified by:

size in interface java.util.Collection

toArray

public java.lang.Object[] toArray()

Specified by:

toArray in interface java.util.Collection

toArray

public java.lang.Object[] toArray(java.lang.Object[] a)

Specified by:

toArray in interface java.util.Collection

getIdentitiesList

public java.util.ArrayList getIdentitiesList()

find

public java.lang.Object find(java.lang.Object ids)

getDeleted

public java.util.ArrayList getDeleted()

getAdded

public java.util.ArrayList getAdded()

committed

public void committed(TransactionContext tx)

Description copied from interface: TxSynchronizable

Called at the end of a transaction after commit.

Specified by:

committed in interface TxSynchronizable

rolledback

public void rolledback(TransactionContext tx)

Description copied from interface: TxSynchronizable

Called at the end of a transaction after rollback.

Specified by:

rolledback in interface TxSynchronizable