Package net.sf.saxon.type

Class AnyItemType

  • All Implemented Interfaces:
    java.io.Serializable, ItemType
    public class AnyItemType
extends java.lang.Object
implements ItemType, java.io.Serializable
    An implementation of ItemType that matches any item (node or atomic value)
    See Also:
    Serialized Form

    • Method Detail

      • getInstance

        public static AnyItemType getInstance()
        Factory method to get the singleton instance

      • isAtomicType

        public boolean isAtomicType()
        Determine whether this item type is atomic (that is, whether it can ONLY match atomic values)
        Specified by:
        isAtomicType in interface ItemType
        Returns:
        false: this type can match nodes or atomic values

      • matchesItem

        public boolean matchesItem​(Item item,
                           boolean allowURIPromotion,
                           Configuration config)
        Test whether a given item conforms to this type
        Specified by:
        matchesItem in interface ItemType
        Parameters:
        item - The item to be tested
        allowURIPromotion -
        config -
        Returns:
        true if the item is an instance of this type; false otherwise

      • getSuperType

        public ItemType getSuperType​(TypeHierarchy th)
        Description copied from interface: ItemType
        Get the type from which this item type is derived by restriction. This is the supertype in the XPath type heirarchy, as distinct from the Schema base type: this means that the supertype of xs:boolean is xdt:anyAtomicType, whose supertype is item() (rather than xs:anySimpleType).

        In fact the concept of "supertype" is not really well-defined, because the types form a lattice rather than a hierarchy. The only real requirement on this function is that it returns a type that strictly subsumes this type, ideally as narrowly as possible.

        Specified by:
        getSuperType in interface ItemType
        Returns:
        the supertype, or null if this type is item()

      • getPrimitiveItemType

        public ItemType getPrimitiveItemType()
        Get the primitive item type corresponding to this item type. For item(), this is Type.ITEM. For node(), it is Type.NODE. For specific node kinds, it is the value representing the node kind, for example Type.ELEMENT. For anyAtomicValue it is Type.ATOMIC_VALUE. For numeric it is Type.NUMBER. For other atomic types it is the primitive type as defined in XML Schema, except that INTEGER is considered to be a primitive type.
        Specified by:
        getPrimitiveItemType in interface ItemType

      • getPrimitiveType

        public int getPrimitiveType()
        Description copied from interface: ItemType
        Get the primitive type corresponding to this item type. For item(), this is Type.ITEM. For node(), it is Type.NODE. For specific node kinds, it is the value representing the node kind, for example Type.ELEMENT. For anyAtomicValue it is Type.ATOMIC_VALUE. For numeric it is Type.NUMBER. For other atomic types it is the primitive type as defined in XML Schema, except that INTEGER is considered to be a primitive type.
        Specified by:
        getPrimitiveType in interface ItemType

      • getAtomizedItemType

        public AtomicType getAtomizedItemType()
        Description copied from interface: ItemType
        Get the item type of the atomic values that will be produced when an item of this type is atomized
        Specified by:
        getAtomizedItemType in interface ItemType

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • toString

        public java.lang.String toString​(NamePool pool)
        Description copied from interface: ItemType
        Produce a representation of this type name for use in error messages. Where this is a QName, it will use conventional prefixes
        Specified by:
        toString in interface ItemType

      • hashCode

        public int hashCode()
        Returns a hash code value for the object.
        Overrides:
        hashCode in class java.lang.Object