com.vaadin.data.util

Class GeneratedPropertyContainer.GeneratedPropertyItem

java.lang.Object

com.vaadin.data.util.GeneratedPropertyContainer.GeneratedPropertyItem

All Implemented Interfaces:

Item, Serializable

Enclosing class:

GeneratedPropertyContainer

public class GeneratedPropertyContainer.GeneratedPropertyItem
extends Object
implements Item

Item implementation for generated properties, used to wrap the Item that belongs to the wrapped container. To reach that Item use getWrappedItem()

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.data.Item

Item.Editor, Item.PropertySetChangeEvent, Item.PropertySetChangeListener, Item.PropertySetChangeNotifier, Item.Viewer

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	GeneratedPropertyItem(Object itemId, Item item)

Method Summary

Modifier and Type	Method and Description
boolean	addItemProperty(Object id, Property property) Tries to add a new Property into the Item.
boolean	equals(Object obj) Tests if the given object is the same as the this object.
Property	getItemProperty(Object id) Gets the Property corresponding to the given Property ID stored in the Item.
Collection<?>	getItemPropertyIds() Gets the collection of IDs of all Properties stored in the Item.
Item	getWrappedItem() Returns the wrapped Item that belongs to the wrapped container
int	hashCode()
boolean	removeItemProperty(Object id) Removes the Property identified by ID from the Item.

Methods inherited from class java.lang.Object

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

Constructor Detail

GeneratedPropertyItem

protected GeneratedPropertyItem(Object itemId,
                                Item item)

Method Detail

getItemProperty

public Property getItemProperty(Object id)

Description copied from interface: Item

Gets the Property corresponding to the given Property ID stored in the Item. If the Item does not contain the Property, null is returned.

Specified by:

getItemProperty in interface Item

Parameters:

id - identifier of the Property to get

Returns:

the Property with the given ID or null

getItemPropertyIds

public Collection<?> getItemPropertyIds()

Description copied from interface: Item

Gets the collection of IDs of all Properties stored in the Item.

Specified by:

getItemPropertyIds in interface Item

Returns:

unmodifiable collection containing IDs of the Properties stored the Item

addItemProperty

public boolean addItemProperty(Object id,
                               Property property)
                        throws UnsupportedOperationException

Description copied from interface: Item

Tries to add a new Property into the Item.

This functionality is optional.

Specified by:

addItemProperty in interface Item

Parameters:

id - ID of the new Property

property - the Property to be added and associated with the id

Returns:

true if the operation succeeded, false if not

Throws:

UnsupportedOperationException - if the operation is not supported.

removeItemProperty

public boolean removeItemProperty(Object id)
                           throws UnsupportedOperationException

Description copied from interface: Item

Removes the Property identified by ID from the Item.

This functionality is optional.

Specified by:

removeItemProperty in interface Item

Parameters:

id - ID of the Property to be removed

Returns:

true if the operation succeeded

Throws:

UnsupportedOperationException - if the operation is not supported. false if not

equals

public boolean equals(Object obj)

Tests if the given object is the same as the this object. Two Items from the same container with the same ID are equal.

Overrides:

equals in class Object

Parameters:

obj - an object to compare with this object

Returns:

true if the given object is the same as this object, false if not

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getWrappedItem

public Item getWrappedItem()

Returns the wrapped Item that belongs to the wrapped container

Returns:

wrapped item.

Since:

7.6.8