com.db4o.typehandlers

Interface InstantiatingTypeHandler

All Superinterfaces:

ReferenceTypeHandler, TypeHandler4

All Known Implementing Classes:

TreeSetTypeHandler, UnmodifiableListTypeHandler

public interface InstantiatingTypeHandler
extends ReferenceTypeHandler

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	instantiate(ReadContext context)
void	writeInstantiation(WriteContext context, java.lang.Object obj) gets called when an object is to be written to the database.

Methods inherited from interface com.db4o.typehandlers.ReferenceTypeHandler

activate

Methods inherited from interface com.db4o.typehandlers.TypeHandler4

defragment, delete, write

Method Detail

instantiate

java.lang.Object instantiate(ReadContext context)

writeInstantiation

void writeInstantiation(WriteContext context,
                      java.lang.Object obj)

gets called when an object is to be written to the database. The method must only write data necessary to re instantiate the object, usually the immutable bits of information held by the object. For value types that means their complete state. Mutable state (only allowed in reference types) must be handled during ReferenceTypeHandler#activate(WriteContext)

Parameters:

context -

obj - the object