Package com.vaadin.data.util.sqlcontainer

Class RowItem

java.lang.Object

com.vaadin.data.util.sqlcontainer.RowItem

All Implemented Interfaces:

Item, Serializable

public final class RowItem
extends Object
implements Item

RowItem represents one row of a result set obtained from a QueryDelegate. Note that depending on the QueryDelegate in use this does not necessarily map into an actual row in a database table.

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

Constructor	Description
RowItem(SQLContainer container, RowId id, Collection<ColumnProperty> properties)

Method Summary

Modifier and Type	Method	Description
boolean	addItemProperty(Object id, Property property)	Adding properties is not supported.
void	commit()
SQLContainer	getContainer()
RowId	getId()
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.
boolean	isModified()
boolean	removeItemProperty(Object id)	Removing properties is not supported.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

RowItem

public RowItem(SQLContainer container,
               RowId id,
               Collection<ColumnProperty> properties)

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

Adding properties is not supported. Properties are generated by SQLContainer.

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

Removing properties is not supported. Properties are generated by SQLContainer.

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

getId

public RowId getId()

getContainer

public SQLContainer getContainer()

isModified

public boolean isModified()

toString

public String toString()

Overrides:

toString in class Object

commit

public void commit()