org.granite.client.tide.data.spi

Interface DataManager.TrackingHandler

All Known Implementing Classes:

EntityManagerImpl.DefaultTrackingHandler

Enclosing interface:

DataManager

public static interface DataManager.TrackingHandler

Callback interface for objects that need to be notified when modifications are made on managed entities

Method Summary

Methods

Modifier and Type	Method and Description
void	collectionChangeHandler(DataManager.ChangeKind kind, Object target, Integer location, Object[] items) Callback called when a collection is modified
void	entityCollectionChangeHandler(DataManager.ChangeKind kind, Object target, Integer location, Object[] items) Callback called when a collection owned by an entity (x-to-many association) is modified
void	entityMapChangeHandler(DataManager.ChangeKind kind, Object target, Integer location, Object[] items) Callback called when a map owned by an entity (x-to-many association) is modified
void	entityPropertyChangeHandler(Object target, String property, Object oldValue, Object newValue) Callback when a property of an entity is modified
void	mapChangeHandler(DataManager.ChangeKind kind, Object target, Integer location, Object[] items) Callback called when a map is modified

Method Detail

collectionChangeHandler

void collectionChangeHandler(DataManager.ChangeKind kind,
                           Object target,
                           Integer location,
                           Object[] items)

Callback called when a collection is modified

Parameters:

kind - kind of collection change

target - modified collection

location - index/key of the modification

items - array of modified items

mapChangeHandler

void mapChangeHandler(DataManager.ChangeKind kind,
                    Object target,
                    Integer location,
                    Object[] items)

Callback called when a map is modified

Parameters:

kind - kind of map change

target - modified map

location - key of the modification

items - array of modified entries (each entry is an array [ key, value ])

entityPropertyChangeHandler

void entityPropertyChangeHandler(Object target,
                               String property,
                               Object oldValue,
                               Object newValue)

Callback when a property of an entity is modified

Parameters:

target - modified entity

property - property name

oldValue - previous value

newValue - new value

entityCollectionChangeHandler

void entityCollectionChangeHandler(DataManager.ChangeKind kind,
                                 Object target,
                                 Integer location,
                                 Object[] items)

Callback called when a collection owned by an entity (x-to-many association) is modified

Parameters:

kind - kind of collection change

target - modified collection

location - index/key of the modification

items - array of modified items

entityMapChangeHandler

void entityMapChangeHandler(DataManager.ChangeKind kind,
                          Object target,
                          Integer location,
                          Object[] items)

Callback called when a map owned by an entity (x-to-many association) is modified

Parameters:

kind - kind of map change

target - modified map

location - key of the modification

items - array of modified entries (each entry is an array [ key, value ])