org.datanucleus.store.types.converters

Class UUIDStringConverter

java.lang.Object

org.datanucleus.store.types.converters.UUIDStringConverter

All Implemented Interfaces:

Serializable, ColumnLengthDefiningTypeConverter, TypeConverter<UUID,String>

public class UUIDStringConverter
extends Object
implements TypeConverter<UUID,String>, ColumnLengthDefiningTypeConverter

Class to handle the conversion between java.util.UUID and a String form.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
UUIDStringConverter()

Method Summary

Modifier and Type	Method and Description
int	getDefaultColumnLength(int columnPosition) Accessor for the default column length to use for the datastore column at the specified position.
String	toDatastoreType(UUID uuid) Method to convert the passed member value to the datastore type.
UUID	toMemberType(String str) Method to convert the passed datastore value to the member type.

Methods inherited from class java.lang.Object

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

Constructor Detail

UUIDStringConverter

public UUIDStringConverter()

Method Detail

toMemberType

public UUID toMemberType(String str)

Description copied from interface: TypeConverter

Method to convert the passed datastore value to the member type.

Specified by:

toMemberType in interface TypeConverter<UUID,String>

Parameters:

str - Value from the datastore

Returns:

Value for the member

toDatastoreType

public String toDatastoreType(UUID uuid)

Description copied from interface: TypeConverter

Method to convert the passed member value to the datastore type.

Specified by:

toDatastoreType in interface TypeConverter<UUID,String>

Parameters:

uuid - Value from the member

Returns:

Value for the datastore

getDefaultColumnLength

public int getDefaultColumnLength(int columnPosition)

Description copied from interface: ColumnLengthDefiningTypeConverter

Accessor for the default column length to use for the datastore column at the specified position.

Specified by:

getDefaultColumnLength in interface ColumnLengthDefiningTypeConverter

Parameters:

columnPosition - Position of the column being enquired about (0 = first)

Returns:

The column length (-1 if no preference)