Package com.db4o.config

Class TNull

java.lang.Object

com.db4o.config.TNull

All Implemented Interfaces:

ObjectTranslator

public class TNull
extends java.lang.Object
implements ObjectTranslator

Constructor Summary

Constructors

Constructor	Description
TNull()

Method Summary

Modifier and Type	Method	Description
void	onActivate(ObjectContainer con, java.lang.Object object, java.lang.Object members)	db4o calls this method during activation.
java.lang.Object	onStore(ObjectContainer con, java.lang.Object object)	db4o calls this method during storage and query evaluation.
java.lang.Class<?>	storedClass()	return the Class you are converting to.

Methods inherited from class java.lang.Object

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

Constructor Detail

TNull

public TNull()

Method Detail

onStore

public java.lang.Object onStore(ObjectContainer con,
                                java.lang.Object object)

Description copied from interface: ObjectTranslator

db4o calls this method during storage and query evaluation.

Specified by:

onStore in interface ObjectTranslator

Parameters:

con - the ObjectContainer used

object - the Object to be translated

Returns:

return the object to store.
It needs to be of the class ObjectTranslator.storedClass().

onActivate

public void onActivate(ObjectContainer con,
                       java.lang.Object object,
                       java.lang.Object members)

Description copied from interface: ObjectTranslator

db4o calls this method during activation.

Specified by:

onActivate in interface ObjectTranslator

Parameters:

con - the ObjectContainer used

object - the object to set the members on

members - the object that was stored

storedClass

public java.lang.Class<?> storedClass()

Description copied from interface: ObjectTranslator

return the Class you are converting to.

Specified by:

storedClass in interface ObjectTranslator

Returns:

the Class of the object you are returning with the method ObjectTranslator.onStore(ObjectContainer, Object)