程序包 ohos.data.async

Provides functions of asynchronously adding, deleting, modifying, and querying data of the database.

This package contains the RdbStoreAsyncHandler and DataAbilityAsyncHandler classes. RdbStoreAsyncHandler applies to the intra-process scenario and DataAbilityAsyncHandler applies to the cross-process or cross-device scenario.

从以下版本开始:

3

接口概要

接口	说明
DeleteCallback	Processes the data deletion result when data is deleted from the database.
InsertCallback	Processes the data insertion result when data is inserted into the database.
QueryCallback	Processes the data query result when a data query is performed in the database.
UpdateCallback	Processes the data update result when data is updated in the database.

类概要

类	说明
DataAbilityAsyncHandler	Provides interfaces to asynchronously add, delete, modify, and query data of the database in the cross-process or cross-device scenario with a DataAbilityHelper instance.
JobParams	Represents the parameters of the task to asynchronously add, delete, modify, or query data.
JobParams.Builder	Constructs a JobParams instance using a builder.
RdbStoreAsyncHandler	Provides interfaces to asynchronously add, delete, modify, and query data of the local database.