Saxon.Api

 

 

Saxon.Api

Class XdmAnyItemType

public class XdmAnyItemType
extends XdmItemType

Singleton class representing the item type item(), which matches any item.

Field Summary
static XdmAnyItemType Instance

The singleton instance of this class: an XdmItemType corresponding to the item type item(), which matches any item.

 

Method Summary
 bool Matches (XdmItem item)

Determine whether this item type matches a given item.

 bool Subsumes (XdmItemType other)

Determine whether this ItemType subsumes another ItemType. Specifically, A.subsumes(B) is true if every value that matches the ItemType B also matches the ItemType A.

 

Field Detail

Instance

public static readonly XdmAnyItemType Instance

The singleton instance of this class: an XdmItemType corresponding to the item type item(), which matches any item.

Method Detail

Matches

public override bool Matches(XdmItem item)

Determine whether this item type matches a given item.

Parameters:

item - the item to be tested against this item type

Returns:

true if the item matches this item type, false if it does not match.

Subsumes

public override bool Subsumes(XdmItemType other)

Determine whether this ItemType subsumes another ItemType. Specifically, A.subsumes(B) is true if every value that matches the ItemType B also matches the ItemType A.

Parameters:

other - the other ItemType

Returns:

true if this ItemType subsumes the other ItemType. This includes the case where A and B represent the same ItemType.