com.whitestein.lsps.vaadin.forms.datasource

Interface ITreeDataSource

All Superinterfaces:

Serializable

All Known Implementing Classes:

ITreeDataSource.Lsps

public interface ITreeDataSource
extends Serializable

Author:

mvy

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ITreeDataSource.Lsps Wraps the forms::TreeDataSource interface.

Field Summary

Fields

Modifier and Type	Field and Description
static ITreeDataSource	EMPTY An empty data source which always returns null.

Method Summary

Modifier and Type	Method and Description
List<Object>	getChildren(Object parent)
RecordHolder	getDefinition() Returns the underlying forms::TreeDataSource record, backing this data source.

Field Detail

EMPTY

static final ITreeDataSource EMPTY

An empty data source which always returns null.

Method Detail

getChildren

List<Object> getChildren(Object parent)

Parameters:

parent - may be null.

Returns:

a list of children, may be null. Not a list of Variants - instead, contains (potentially unserializable) raw LSPS stuff like Decimal and ValueHolder.

getDefinition

RecordHolder getDefinition()

Returns the underlying forms::TreeDataSource record, backing this data source.

Returns:

the backing record holder or null if there is none.