org.achtern.AchternEngine.core.scenegraph.scanning

Interface SceneGraphRetriever<T extends Entity>

Type Parameters:

T - type of entity this SceneGraphRetriever can retrieve

All Superinterfaces:

NodeScanner

All Known Implementing Classes:

EntityRetriever, FigureRetriever, SingleEntityRetriever

public interface SceneGraphRetriever<T extends Entity>
extends NodeScanner

A SceneGraphRetriever should be able to filter out Entities from the SceneGraph.

Method Summary

Modifier and Type	Method and Description
boolean	contained() Should return true if at least ONE Entity has been found.
List<T>	getAll() Return all Entities, which life in the scanned node and it's children
<E extends Entity> List<E>	getAll(Class<E> filter) Return all Entities, which life in the scanned node and it's children.
List<Node>	getNodes() Returns all nodes found while scanning.

Methods inherited from interface org.achtern.AchternEngine.core.scenegraph.scanning.NodeScanner

scan

Method Detail

getAll

List<T> getAll()

Return all Entities, which life in the scanned node and it's children

Returns:

All Entities of the Type T

getAll

<E extends Entity> List<E> getAll(Class<E> filter)

Return all Entities, which life in the scanned node and it's children. In addition to that you can apply another type filter

Type Parameters:

E - Filtered type

Parameters:

filter - Entity Filter

Returns:

List of filtered entities

getNodes

List<Node> getNodes()

Returns all nodes found while scanning.

Returns:

List of all nodes

contained

boolean contained()

Should return true if at least ONE Entity has been found.

Returns:

Whether the Entity type is contained by the scanned node.