org.xquark.mapping
Interface Generator

All Known Subinterfaces:

UserGenerator

All Known Implementing Classes:

KeyGenerator

public interface Generator

Object that provide the value to store in a column

Method Summary

java.lang.Object

getValue(StorageContext context) This method is called by the XQuark storage engine when a user-generated column of a relational table is filled.

Method Detail

getValue

public java.lang.Object getValue(StorageContext context)

This method is called by the XQuark storage engine when a user-generated column of a relational table is filled. The Object type returned must be consistent with the type returned by the XQuark schema API as defined in the following table:

XML schema base built-in primitive type	Java class
string	String
boolean	Boolean
decimal	BigDecimal or Long if type facet ensure it fits.
float	Float
double	Double
QName	org.xquark.schema.datatypes.QName
NOTATION	org.xquark.schema.datatypes.QName
duration	org.xquark.schema.datatypes.Duration
dateTime	org.xquark.schema.datatypes.DateTime
time	org.xquark.schema.datatypes.DateTime
date	org.xquark.schema.datatypes.DateTime
gYearMonth	org.xquark.schema.datatypes.DateTime
gYear	org.xquark.schema.datatypes.DateTime
gMonthDay	org.xquark.schema.datatypes.DateTime
gDay	org.xquark.schema.datatypes.DateTime
gMonth	org.xquark.schema.datatypes.DateTime
hexBinary	org.xquark.schema.datatypes.ByteArray
base64Binary	org.xquark.schema.datatypes.ByteArray
anyURI	org.xquark.schema.datatypes.URI
union	not supported
list	List
anySimpleType	String

Parameters:

context - Passed by the mapping algorithm to provide an access to storage system variables.

Returns:

An Object, that must be consistent with the type returned by the XQuark schema API.