org.fastnate.data.properties

Class PluralPropertyContents<E>

java.lang.Object

org.fastnate.data.properties.PluralPropertyContents<E>

Type Parameters:

E - the type of the elements

Direct Known Subclasses:

PluralPropertyContents.ListCollection, PluralPropertyContents.MapCollection, PluralPropertyContents.SetCollection

public abstract class PluralPropertyContents<E>
extends Object

Wraps the contents of a PluralProperty to use a common interface during import, independent of the actual subtype.

Author:

Tobias Liefke

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	PluralPropertyContents.ListCollection<E>
private static class	PluralPropertyContents.MapCollection<E>
private static class	PluralPropertyContents.SetCollection<E,V>

Constructor Summary

Constructors

Constructor and Description
PluralPropertyContents()

Method Summary

Modifier and Type	Method and Description
void	addElement(E element) Adds an element to the end of the collection.
(package private) abstract void	create()
static <E,C,V> PluralPropertyContents<V>	create(E entity, PluralProperty<E,C,V> property) Creates a wrapper around the contents of the given property in the given entity.
(package private) abstract Object	getCollection()
(package private) abstract void	setCollection(Object value)
abstract void	setElement(int index, Object key, E element) Sets an element in the collection resp. map.

Methods inherited from class java.lang.Object

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

Constructor Detail

PluralPropertyContents

public PluralPropertyContents()

Method Detail

create

public static <E,C,V> PluralPropertyContents<V> create(E entity,
                                                       PluralProperty<E,C,V> property)

Creates a wrapper around the contents of the given property in the given entity. If the current property content is empty, it is initialized with a new empty collection resp. map.

Parameters:

entity - the entity that contains the property

property - the property

Returns:

the wrapper around the contents of the property for the entity

addElement

public void addElement(E element)

Adds an element to the end of the collection. Shouldn't be used for maps, as it uses a "null" key

Parameters:

element - the element to add to the end of the collection

create

abstract void create()

getCollection

abstract Object getCollection()

setCollection

abstract void setCollection(Object value)

setElement

public abstract void setElement(int index,
                                Object key,
                                E element)

Sets an element in the collection resp. map.

Parameters:

index - the index of the added element, if the contents is a list

key - the key of the element, if the contents is a map

element - the element to add