Package org.nuiton.topia.persistence

Class HorizontalEntityVisitor

java.lang.Object

org.nuiton.topia.persistence.HorizontalEntityVisitor

All Implemented Interfaces:

TopiaEntityVisitor

public class HorizontalEntityVisitor
extends Object
implements TopiaEntityVisitor

Visitor to run through entities horizontally, then delegate visiting to another visitor.

Author:

Éric Chatellier - chatellier@codelutin.com, Tony Chemit - tchemit@codelutin.com

Field Summary

Fields

Modifier and Type	Field	Description
protected List<TopiaEntity>	alreadyExplored	Cache used to remember entity during exploration.
protected TopiaEntityVisitor	delegateVisitor	Delegate visitor.
protected List<TopiaEntity>	toVisitEntities	Entity to be visited later.

Constructor Summary

Constructors

Constructor	Description
HorizontalEntityVisitor(TopiaEntityVisitor delegateVisitor)	Constructor.

Method Summary

Modifier and Type	Method	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.

Methods inherited from class java.lang.Object

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

Field Details

delegateVisitor

protected TopiaEntityVisitor delegateVisitor

Delegate visitor.

alreadyExplored

protected List<TopiaEntity> alreadyExplored

Cache used to remember entity during exploration.

toVisitEntities

protected List<TopiaEntity> toVisitEntities

Entity to be visited later.

Constructor Details

HorizontalEntityVisitor

public HorizontalEntityVisitor(TopiaEntityVisitor delegateVisitor)

Constructor.

Parameters:

delegateVisitor - visitor to delegate visiting

Method Details

start

public void start(TopiaEntity entity)

Description copied from interface: TopiaEntityVisitor

Start the visit of the given entity.

Specified by:

start in interface TopiaEntityVisitor

Parameters:

entity - the visited entity

visit

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

Description copied from interface: TopiaEntityVisitor

Visit a none indexed property for the given entity. The property visited is defined by the other parameters.

Specified by:

visit in interface TopiaEntityVisitor

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

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

Description copied from interface: TopiaEntityVisitor

Visit a collection property for the given entity. The property visited is defined by the other parameters.

Specified by:

visit in interface TopiaEntityVisitor

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

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

Description copied from interface: TopiaEntityVisitor

Visit a indexed value from a collection property for the given entity. The property visited is defined by the other parameters.

Specified by:

visit in interface TopiaEntityVisitor

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

end

public void end(TopiaEntity entity)

Description copied from interface: TopiaEntityVisitor

Ends the visit of the given entity.

Specified by:

end in interface TopiaEntityVisitor

Parameters:

entity - the visited entity

clear

public void clear()

Description copied from interface: TopiaEntityVisitor

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.

Specified by:

clear in interface TopiaEntityVisitor