Package org.nuiton.topia.persistence.csv.out

Class ExportEntityVisitor<T extends TopiaEntityEnum>

java.lang.Object

org.nuiton.topia.persistence.csv.out.ExportEntityVisitor<T>

All Implemented Interfaces:

Closeable, AutoCloseable, EntityVisitor

public class ExportEntityVisitor<T extends TopiaEntityEnum>
extends Object
implements EntityVisitor, Closeable

Entity visitor to export data to csv files.

Since:

2.6.12

Author:

tchemit <chemit@codelutin.com>

Field Summary

Fields

Modifier and Type	Field	Description
protected final Map<T,TopiaCsvExports.EntityExportContext<T>>	entityExporters	Export for simple entity.
protected final TopiaPersistenceHelper<T>	persistenceHelper
static final org.nuiton.util.TimeLog	TIME_LOG

Constructor Summary

Constructors

Constructor	Description
ExportEntityVisitor(TopiaPersistenceHelper<T> persistenceHelper, Map<T,TopiaCsvExports.EntityExportContext<T>> entityExporters)

Method Summary

Modifier and Type	Method	Description
void	clear()	Reset all states of the visitor.
void	close()
void	end(TopiaEntity entity)	Ends the visit of the given entity.
<E extends TopiaEntity> void	export(Iterable<E> entities)
void	export(TopiaEntity entity)
protected TopiaCsvExports.EntityExportContext	getEntityContext(Class<? extends TopiaEntity> entityType)
static <T extends TopiaEntityEnum> ExportEntityVisitor<T>	newVisitor(TopiaPersistenceHelper<T> persistenceHelper, Map<T,TopiaCsvExports.EntityExportContext<T>> entityExporters)
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.
protected void	visitEntityCollection(TopiaEntity entity, String propertyName, Class<?> collectionType, Class<?> type, Collection<?> cValue)

Methods inherited from class java.lang.Object

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

Field Details

TIME_LOG

public static final org.nuiton.util.TimeLog TIME_LOG

entityExporters

protected final Map<T extends TopiaEntityEnum,TopiaCsvExports.EntityExportContext<T extends TopiaEntityEnum>> entityExporters

Export for simple entity.

persistenceHelper

protected final TopiaPersistenceHelper<T extends TopiaEntityEnum> persistenceHelper

Constructor Details

ExportEntityVisitor

public ExportEntityVisitor(TopiaPersistenceHelper<T> persistenceHelper,
 Map<T,TopiaCsvExports.EntityExportContext<T>> entityExporters)

Method Details

newVisitor

public static <T extends TopiaEntityEnum>
ExportEntityVisitor<T> newVisitor(TopiaPersistenceHelper<T> persistenceHelper,
 Map<T,TopiaCsvExports.EntityExportContext<T>> entityExporters)

export

public <E extends TopiaEntity> void export(Iterable<E> entities)

export

public void export(TopiaEntity entity)

start

public void start(TopiaEntity entity)

Description copied from interface: EntityVisitor

Start the visit of the given entity.

Specified by:

start in interface EntityVisitor

Parameters:

entity - the visited entity

end

public void end(TopiaEntity entity)

Description copied from interface: EntityVisitor

Ends the visit of the given entity.

Specified by:

end in interface EntityVisitor

Parameters:

entity - the visited entity

visit

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

Description copied from interface: EntityVisitor

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

Specified by:

visit in interface EntityVisitor

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: EntityVisitor

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

Specified by:

visit in interface EntityVisitor

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

visitEntityCollection

protected void visitEntityCollection(TopiaEntity entity,
 String propertyName,
 Class<?> collectionType,
 Class<?> type,
 Collection<?> cValue)

visit

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

Description copied from interface: EntityVisitor

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 EntityVisitor

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

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

clear

public void clear()

Description copied from interface: EntityVisitor

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 EntityVisitor

getEntityContext

protected TopiaCsvExports.EntityExportContext getEntityContext(Class<? extends TopiaEntity> entityType)