org.nuiton.topia.persistence

Interface EntityVisitor

All Known Implementing Classes:

Collector.CollectorVisitor, DepthEntityVisitor, ExportEntityVisitor, HorizontalEntityVisitor

public interface EntityVisitor

The contract of a visitor of any TopiaEntity.

Created: 28 janv. 2009 18:10:34

Version:

$Id$

Author:

bpoussin , tchemit

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Reset all states of the visitor.
void	end(TopiaEntity entity) Ends the visit of the given entity.
void	start(TopiaEntity entity) Start the visit of the given entity.
void	visit(TopiaEntity entity, String propertyName, Class<?> collectionType, Class<?> type, int index, Object value) Visit a indexed value from a collection property for the given entity.
void	visit(TopiaEntity entity, String propertyName, Class<?> collectionType, Class<?> type, Object value) Visit a collection property for the given entity.
void	visit(TopiaEntity entity, String propertyName, Class<?> type, Object value) Visit a none indexed property for the given entity.

Method Detail

start

void start(TopiaEntity entity)

Start the visit of the given entity.

Parameters:

entity - the visited entity

end

void end(TopiaEntity entity)

Ends the visit of the given entity.

Parameters:

entity - the visited entity

visit

void visit(TopiaEntity entity,
         String propertyName,
         Class<?> type,
         Object value)

Visit a none indexed property for the given entity.

The property visited is defined by the other parameters.

Parameters:

entity - the visited entity

propertyName - the name of the visited property

type - the type of the visited property

value - the value of the visited property

visit

void visit(TopiaEntity entity,
         String propertyName,
         Class<?> collectionType,
         Class<?> type,
         Object value)

Visit a collection property for the given entity.

The property visited is defined by the other parameters.

Parameters:

entity - the visited entity

propertyName - the name of the visited property

collectionType - the type of the visited collection

type - the type of the visited property

value - the value of the visited property

visit

void visit(TopiaEntity entity,
         String propertyName,
         Class<?> collectionType,
         Class<?> type,
         int index,
         Object value)

Visit a indexed value from a collection property for the given entity.

The property visited is defined by the other parameters.

Parameters:

entity - the visited entity

propertyName - the name of the visited property

collectionType - the type of the container of the visited property

type - the type of the visited property

index - the index of the visited property in his container

value - the value of the visited property

clear

void clear()

Reset all states of the visitor.

If you use internal states inside the visitor, this method should clean all of them.

This method should be invoked after usage of the visitor.