程序包 ohos.data.orm

类 AllChangeToTarget

java.lang.Object

ohos.data.orm.AllChangeToTarget

public class AllChangeToTarget
extends Object

An auxiliary class of data storage that stores all the added, deleted, and updated objects.

If you have registered a data observer for the ORM database, all the added, deleted, and updated objects will be stored in the data storage so that the observer can obtain these objects.

从以下版本开始:

1

另请参阅:

OrmObjectObserver

SystemCapability

SystemCapability.Data#DATA_APPDATAMGR

构造器概要

构造器

构造器	说明
AllChangeToTarget()

方法概要

限定符和类型	方法	说明
void	addToDeletedList(OrmObject ormObject)	Adds an OrmObject to the list of deleted objects.
void	addToInsertList(OrmObject ormObject)	Adds an OrmObject to the list of inserted objects.
void	addToUpdatedList(OrmObject ormObject)	Adds an OrmObject to the list of updated objects.
List<OrmObject>	getDeletedList()	Obtains the list of deleted OrmObject objects.
List<OrmObject>	getInsertedList()	Obtains the list of inserted OrmObject objects.
List<OrmObject>	getUpdatedList()	Obtains the list of updated OrmObject objects.

从类继承的方法 java.lang.Object

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

构造器详细资料

AllChangeToTarget

public AllChangeToTarget()

方法详细资料

addToInsertList

public void addToInsertList(OrmObject ormObject)

Adds an OrmObject to the list of inserted objects.

参数:

ormObject - Indicates a managed ORM object.

addToUpdatedList

public void addToUpdatedList(OrmObject ormObject)

Adds an OrmObject to the list of updated objects.

参数:

ormObject - Indicates a managed ORM object.

addToDeletedList

public void addToDeletedList(OrmObject ormObject)

Adds an OrmObject to the list of deleted objects.

参数:

ormObject - Indicates a managed ORM object.

getInsertedList

public List<OrmObject> getInsertedList()

Obtains the list of inserted OrmObject objects.

If you have registered an ORM database observer, you can use this method to obtain the list of OrmObject objects that are observed by the observer and inserted into the database.

返回:

Returns the list of inserted OrmObject objects.

从以下版本开始:

1

getUpdatedList

public List<OrmObject> getUpdatedList()

Obtains the list of updated OrmObject objects.

If you have registered an ORM database observer, you can use this method to obtain the list of OrmObject objects that are observed by the observer and updated in the database.

返回:

Returns the list of updated OrmObject objects.

从以下版本开始:

1

getDeletedList

public List<OrmObject> getDeletedList()

Obtains the list of deleted OrmObject objects.

If you have registered an ORM database observer, you can use this method to obtain the list of OrmObject objects that are observed by the observer and deleted from the database.

返回:

Returns the list of deleted OrmObject objects.

从以下版本开始:

1