org.datanucleus.store.types
Interface ObjectLongConverter

All Known Implementing Classes:

DateLongConverter

public interface ObjectLongConverter

Interface for an object that can be converted to/from a Long. Used for datastores that allow persistence of Longs but not of a native Java type.

Field Summary

static Localiser

LOCALISER Localiser for messages

Method Summary

java.lang.Long	toLong(java.lang.Object obj) Method to convert from the object to its Long form
java.lang.Object	toObject(java.lang.Long value) Method to convert from Long back to the object.

Field Detail

LOCALISER

static final Localiser LOCALISER

Localiser for messages

Method Detail

toLong

java.lang.Long toLong(java.lang.Object obj)

Method to convert from the object to its Long form

Parameters:

obj - The object

Returns:

Long form

toObject

java.lang.Object toObject(java.lang.Long value)

Method to convert from Long back to the object.

Parameters:

value - The long

Returns:

The object