org.datanucleus.store.types

Interface SCOCollection

All Superinterfaces:

SCO, SCOContainer

All Known Subinterfaces:

SCOList

All Known Implementing Classes:

ArrayList, ArrayList, Collection, Collection, HashSet, HashSet, LinkedHashSet, LinkedHashSet, LinkedList, LinkedList, List, List, PriorityQueue, PriorityQueue, Queue, Queue, Set, Set, SortedSet, SortedSet, Stack, Stack, TreeSet, TreeSet, Vector, Vector

public interface SCOCollection
extends SCOContainer

Representation of a wrapper for a mutable Collection SCO type supported.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	remove(Object element, boolean allowCascadeDelete) Method to remove an element from the collection, and observe the flag for whether to allow cascade delete.
void	updateEmbeddedElement(Object element, int fieldNumber, Object value) Method to update an embedded element stored in the collection

Methods inherited from interface org.datanucleus.store.types.SCOContainer

isLoaded, load

Methods inherited from interface org.datanucleus.store.types.SCO

attachCopy, clone, detachCopy, getFieldName, getOwner, getValue, initialise, initialise, unsetOwner

Method Detail

updateEmbeddedElement

void updateEmbeddedElement(Object element,
                         int fieldNumber,
                         Object value)

Method to update an embedded element stored in the collection

Parameters:

element - The element

fieldNumber - Number of field in the element

value - the new value for this field

remove

boolean remove(Object element,
             boolean allowCascadeDelete)

Method to remove an element from the collection, and observe the flag for whether to allow cascade delete.

Parameters:

element - The element

allowCascadeDelete - Whether to allow cascade delete

Returns:

Whether the element was removed