Package com.vaadin.data.util.filter

Class Or

java.lang.Object

com.vaadin.data.util.filter.AbstractJunctionFilter

com.vaadin.data.util.filter.Or

All Implemented Interfaces:

Container.Filter, Serializable

public final class Or
extends AbstractJunctionFilter

A compound Container.Filter that accepts an item if any of its filters accept the item. If no filters are given, the filter should reject all items. This filter also directly supports in-memory filtering when all sub-filters do so.

Since:

6.6

See Also:

And, Serialized Form

Field Summary

Fields inherited from class com.vaadin.data.util.filter.AbstractJunctionFilter

filters

Constructor Summary

Constructors

Constructor	Description
Or(Container.Filter... filters)

Method Summary

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

Methods inherited from class com.vaadin.data.util.filter.AbstractJunctionFilter

equals, getFilters, hashCode

Methods inherited from class java.lang.Object

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

Constructor Detail

Or

public Or(Container.Filter... filters)

Parameters:

filters - filters of which the Or filter will be composed

Method Detail

passesFilter

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

Description copied from interface: Container.Filter

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

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:

UnsupportedFilterException

appliesToProperty

public boolean appliesToProperty(Object propertyId)

Returns true if a change in the named property may affect the filtering result. If some of the sub-filters are not in-memory filters, true is returned. By default, all sub-filters are iterated to check if any of them applies. If there are no sub-filters, true is returned as an empty Or rejects all items.

Specified by:

appliesToProperty in interface Container.Filter

Overrides:

appliesToProperty in class AbstractJunctionFilter

Returns:

true if the filtering result may/does change based on changes to the property identified by propertyId