co.paralleluniverse.spacebase

Interface ElementUpdater<T>

All Known Subinterfaces:

ElementUpdater1<T>

public interface ElementUpdater<T>

Instances of this interface are passed to visitors of SpaceBase queries and joins that allow modifications to the found elements.

Method Summary

Methods

Modifier and Type	Method and Description
void	delete() Deletes the element from the SpaceBase store.
T	elem() Returns the element represented by this updater.
SpatialToken	token() Returns the SpatialToken representing this element, that can be saved and used later in updates and deletes.
void	update(AABB newAABB) Updates the element in the SpaceBase store.

Method Detail

elem

T elem()

Returns the element represented by this updater.

Returns:

The element represented by this updater.

token

SpatialToken token()

Returns the SpatialToken representing this element, that can be saved and used later in updates and deletes.

Returns:

The SpatialToken representing this element.

delete

void delete()

Deletes the element from the SpaceBase store.

update

void update(AABB newAABB)

Updates the element in the SpaceBase store. The bounding-box may shrink, expand or move, provided that the new bounds lie within the spatial region defined by the BoundedSpatialQuery passed to the query/transaction method.
The aabb argument is copied by SpaceBase, so it may be modified by the user after passing it to this method.

Parameters:

newAABB - The element’s new bounding-box.

Throws:

IllegalArgumentException - if the bounds are null, invalid, or lie outside the BoundedSpatialQuery passed to the query/transaction method.