com.vaadin.data.util.filter

Class Not

java.lang.Object

com.vaadin.data.util.filter.Not

All Implemented Interfaces:

Container.Filter, Serializable

public final class Not
extends Object
implements Container.Filter

Negating filter that accepts the items rejected by another filter. This filter directly supports in-memory filtering when the negated filter does so.

Since:

6.6

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Not(Container.Filter filter) Constructs a filter that negates a filter.

Method Summary

Modifier and Type	Method and Description
boolean	appliesToProperty(Object propertyId) Returns true if a change in the named property may affect the filtering result.
boolean	equals(Object obj)
Container.Filter	getFilter() Returns the negated filter.
int	hashCode()
boolean	passesFilter(Object itemId, Item item) Check if an item passes the filter (in-memory filtering).

Methods inherited from class java.lang.Object

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

Constructor Detail

Not

public Not(Container.Filter filter)

Constructs a filter that negates a filter.

Parameters:

filter - Container.Filter to negate, not-null

Method Detail

getFilter

public Container.Filter getFilter()

Returns the negated filter.

Returns:

Filter

passesFilter

public boolean passesFilter(Object itemId,
                            Item item)
                     throws UnsupportedOperationException

Description copied from interface: Container.Filter

Check if an item passes the filter (in-memory filtering).

Specified by:

passesFilter in interface Container.Filter

Parameters:

itemId - identifier of the item being filtered; may be null when the item is being added to the container

item - the item being filtered

Returns:

true if the item is accepted by this filter

Throws:

UnsupportedOperationException - if the filter cannot be used for in-memory filtering

appliesToProperty

public boolean appliesToProperty(Object propertyId)

Returns true if a change in the named property may affect the filtering result. Return value is the same as appliesToProperty(Object) for the negated filter.

Specified by:

appliesToProperty in interface Container.Filter

Returns:

boolean

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object