org.basex.query.item

Interface Type

All Known Implementing Classes:

AtomType, FuncType, MapType, NodeType

public interface Type

XQuery data types.

Author:

BaseX Team 2005-12, BSD License, Christian Gruen

Method Summary

Methods

Modifier and Type	Method and Description
Item	cast(Item it, QueryContext ctx, InputInfo ii) Casts the specified item to the XQuery data type.
Item	cast(java.lang.Object o, InputInfo ii) Casts the specified Java object to the XQuery data type.
int	id() Returns a type id to differentiate all types.
boolean	instanceOf(Type t) Checks if the current type is an instance of the specified type.
boolean	isDate() Checks if the type refers to a date or one of its sub-types.
boolean	isDuration() Checks if the type refers to a xs:duration or one of its sub-types.
boolean	isFunction() Checks if the type refers to a function item.
boolean	isMap() Checks if the type refers to a map.
boolean	isNode() Checks if the type refers to a node.
boolean	isNumber() Checks if the type refers to a number.
boolean	isString() Checks if the type refers to an xs:string or one of its sub-types.
boolean	isUntyped() Checks if the type refers to an untyped item.
SeqType	seqType() Returns the sequence type of this data type.
byte[]	string() Returns the string representation of this type.
java.lang.String	toString()

Method Detail

cast

Item cast(Item it,
        QueryContext ctx,
        InputInfo ii)
          throws QueryException

Casts the specified item to the XQuery data type.

Parameters:

it - item to be converted

ctx - query context

ii - input info

Returns:

new item

Throws:

QueryException - query exception

cast

Item cast(java.lang.Object o,
        InputInfo ii)
          throws QueryException

Casts the specified Java object to the XQuery data type.

Parameters:

o - Java object

ii - input info

Returns:

new item

Throws:

QueryException - query exception

seqType

SeqType seqType()

Returns the sequence type of this data type.

Returns:

sequence type

instanceOf

boolean instanceOf(Type t)

Checks if the current type is an instance of the specified type.

Parameters:

t - type to be checked

Returns:

result of check

isNode

boolean isNode()

Checks if the type refers to a node.

Returns:

result of check

isNumber

boolean isNumber()

Checks if the type refers to a number.

Returns:

result of check

isUntyped

boolean isUntyped()

Checks if the type refers to an untyped item.

Returns:

result of check

isString

boolean isString()

Checks if the type refers to an xs:string or one of its sub-types.

Returns:

result of check

isDuration

boolean isDuration()

Checks if the type refers to a xs:duration or one of its sub-types.

Returns:

result of check

isDate

boolean isDate()

Checks if the type refers to a date or one of its sub-types.

Returns:

result of check

isFunction

boolean isFunction()

Checks if the type refers to a function item.

Returns:

result of check

isMap

boolean isMap()

Checks if the type refers to a map.

Returns:

result of check

string

byte[] string()

Returns the string representation of this type.

Returns:

name

id

int id()

Returns a type id to differentiate all types.

Returns:

id

toString

java.lang.String toString()

Overrides:

toString in class java.lang.Object