Package com.db4o.typehandlers

Interface CascadingTypeHandler

All Superinterfaces:

TypeHandler4

All Known Subinterfaces:

FieldAwareTypeHandler

All Known Implementing Classes:

ArrayHandler, ArrayHandler0, ArrayHandler1, ArrayHandler3, ArrayHandler5, BigSetTypeHandler, CollectionTypeHandler, HashtableTypeHandler, IgnoreFieldsTypeHandler, InterfaceTypeHandler, MapTypeHandler, MultidimensionalArrayHandler, MultidimensionalArrayHandler0, MultidimensionalArrayHandler3, NullFieldAwareTypeHandler, OpenTypeHandler, OpenTypeHandler0, OpenTypeHandler2, OpenTypeHandler7, StandardReferenceTypeHandler, StandardReferenceTypeHandler0, UnmodifiableListTypeHandler, VectorTypeHandler

public interface CascadingTypeHandler
extends TypeHandler4

TypeHandler for objects with members.

Method Summary

Modifier and Type	Method	Description
void	cascadeActivation(ActivationContext context)	will be called during activation if the handled object is already active
void	collectIDs(QueryingReadContext context)	will be called during querying to ask for IDs of member objects of the handled object.
TypeHandler4	readCandidateHandler(QueryingReadContext context)	will be called during querying to ask for the handler to be used to collect children of the handled object

Methods inherited from interface com.db4o.typehandlers.TypeHandler4

defragment, delete, write

Method Detail

cascadeActivation

void cascadeActivation(ActivationContext context)

will be called during activation if the handled object is already active

Parameters:

context -

readCandidateHandler

TypeHandler4 readCandidateHandler(QueryingReadContext context)

will be called during querying to ask for the handler to be used to collect children of the handled object

Parameters:

context -

Returns:

collectIDs

void collectIDs(QueryingReadContext context)

will be called during querying to ask for IDs of member objects of the handled object.

Parameters:

context -