程序包 ohos.data.rdb

类 StoreConfig

java.lang.Object

ohos.data.rdb.StoreConfig

public class StoreConfig
extends Object

Manages relational database configurations.

从以下版本开始:

1

SystemCapability

SystemCapability.Data#DATA_APPDATAMGR

嵌套类概要

嵌套类

限定符和类型	类	说明
static class	StoreConfig.Builder	Represents a builder of StoreConfig.
static class	StoreConfig.JournalMode	Describes journal modes of the database.
static class	StoreConfig.StorageMode	Enumerates the storage modes.
static class	StoreConfig.SyncMode	Enumerates the database synchronization modes.

字段概要

字段

限定符和类型	字段	说明
static int	MAX_ENCRYPT_KEY_SIZE	The max size of encrypt key.

方法概要

限定符和类型	方法	说明
DatabaseFileSecurityLevel	getDatabaseFileSecurityLevel()	Obtains the security level of the database file.
DatabaseFileType	getDatabaseFileType()	Obtains the database file type in this StoreConfig object.
byte[]	getEncryptKey()	Obtains the encrypt key in this StoreConfig object.
StoreConfig.JournalMode	getJournalMode()	Obtains the journal mode in this StoreConfig object.
String	getName()	Obtains the database name.
StoreConfig.StorageMode	getStorageMode()	Obtains the storage mode.
StoreConfig.SyncMode	getSyncMode()	Obtains the synchronization mode in this StoreConfig object.
boolean	isReadOnly()	Checks whether the database is read-only.
static StoreConfig	newDefaultConfig(String name)	Creates a database configuration using the default configuration by specifying the database name.
static StoreConfig	newMemoryConfig()	Creates an in-memory database configuration.
static StoreConfig	newReadOnlyConfig(String name)	Creates a read-only database configuration by specifying the database name.

从类继承的方法 java.lang.Object

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

字段详细资料

MAX_ENCRYPT_KEY_SIZE

public static final int MAX_ENCRYPT_KEY_SIZE

The max size of encrypt key.

另请参阅:

常量字段值

方法详细资料

newDefaultConfig

public static StoreConfig newDefaultConfig(String name)

Creates a database configuration using the default configuration by specifying the database name.

The database created using this configuration is in disk storage mode and is both readable and writable.

参数:

name - Indicates the database name.

返回:

Returns the created database configuration.

从以下版本开始:

1

newMemoryConfig

public static StoreConfig newMemoryConfig()

Creates an in-memory database configuration.

The database created using this configuration is in memory storage mode and is both readable and writable.

返回:

Returns the created database configuration.

从以下版本开始:

1

newReadOnlyConfig

public static StoreConfig newReadOnlyConfig(String name)

Creates a read-only database configuration by specifying the database name.

The database created using this configuration is in disk storage mode.

参数:

name - Indicates the database name.

返回:

Returns the created database configuration.

从以下版本开始:

1

getName

public String getName()

Obtains the database name.

返回:

Returns the database name.

从以下版本开始:

1

getStorageMode

public StoreConfig.StorageMode getStorageMode()

Obtains the storage mode.

返回:

Returns the storage mode.

从以下版本开始:

1

getJournalMode

public StoreConfig.JournalMode getJournalMode()

Obtains the journal mode in this StoreConfig object.

返回:

Returns the journal mode in this StoreConfig object.

从以下版本开始:

3

另请参阅:

StoreConfig.JournalMode

getSyncMode

public StoreConfig.SyncMode getSyncMode()

Obtains the synchronization mode in this StoreConfig object.

返回:

Returns the synchronization mode in this StoreConfig object, as enumerated in SyncMode.

从以下版本开始:

3

另请参阅:

StoreConfig.SyncMode

getEncryptKey

public byte[] getEncryptKey()

Obtains the encrypt key in this StoreConfig object.

返回:

Returns the encrypt key in this StoreConfig object.

从以下版本开始:

3

isReadOnly

public boolean isReadOnly()

Checks whether the database is read-only.

返回:

Returns true if the database is read-only; returns false otherwise.

从以下版本开始:

1

getDatabaseFileType

public DatabaseFileType getDatabaseFileType()

Obtains the database file type in this StoreConfig object.

返回:

Returns the database file type, as enumerated in DatabaseFileType.

从以下版本开始:

4

getDatabaseFileSecurityLevel

public DatabaseFileSecurityLevel getDatabaseFileSecurityLevel()

Obtains the security level of the database file.

返回:

Returns the security level.

从以下版本开始:

5

另请参阅:

DatabaseFileSecurityLevel