程序包 ohos.data.distributed.common

类 KvManagerFactory

java.lang.Object

ohos.data.distributed.common.KvManagerFactory

public class KvManagerFactory
extends Object

A factory that manages KvManager instances, including creating and obtaining KvManager instances.

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SystemCapability

SystemCapability.Data#DATA_DISTRIBUTEDDATAMGR

方法概要

限定符和类型	方法	说明
KvManager	createKvManager(KvManagerConfig config)	Creates a KvManager instance based on the configuration information.
static KvManagerFactory	getInstance()	Obtains a KvManagerFactory instance.
void	registerKvStoreServiceDeathRecipient(KvStoreServiceDeathRecipient deathObserver)	Register KvStore Service Death Recipient
void	unRegisterKvStoreServiceDeathRecipient(KvStoreServiceDeathRecipient deathObserver)	UnRegister KvStore Service Death Recipient

从类继承的方法 java.lang.Object

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

方法详细资料

getInstance

public static final KvManagerFactory getInstance()

Obtains a KvManagerFactory instance.

A KvManagerFactory instance can be used to create and obtain a KvManager object.

返回:

Returns the KvManagerFactory instance.

从以下版本开始:

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createKvManager

public KvManager createKvManager(KvManagerConfig config)
                          throws KvStoreException

Creates a KvManager instance based on the configuration information.

You must pass KvManagerConfig to provide configuration information for creating the KvManager instance.

参数:

config - Indicates the KvStore configuration information, including the user information and package name.

返回:

Returns the KvManager instance.

抛出:

KvStoreException - Throws this exception if input is invalid.

从以下版本开始:

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registerKvStoreServiceDeathRecipient

public void registerKvStoreServiceDeathRecipient(KvStoreServiceDeathRecipient deathObserver)
                                          throws KvStoreException

Register KvStore Service Death Recipient

参数:

deathObserver - it will be notified when service died

抛出:

KvStoreException - Throws this exception if any of the following errors occurs: SERVER_UNAVAILABLE, DB_ERROR, PERMISSION_DENIED, and IPC_ERROR.

从以下版本开始:

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unRegisterKvStoreServiceDeathRecipient

public void unRegisterKvStoreServiceDeathRecipient(KvStoreServiceDeathRecipient deathObserver)
                                            throws KvStoreException

UnRegister KvStore Service Death Recipient

参数:

deathObserver - it will be notified when service died

抛出:

KvStoreException - Throws this exception if any of the following errors occurs: SERVER_UNAVAILABLE, DB_ERROR, PERMISSION_DENIED, and IPC_ERROR.

从以下版本开始:

1