org.rocksdb

Enum WalFileType

java.lang.Object

java.lang.Enum<WalFileType>

org.rocksdb.WalFileType

All Implemented Interfaces:

Serializable, Comparable<WalFileType>

public enum WalFileType
extends Enum<WalFileType>

Enum Constant Summary

Enum Constants

Enum Constant and Description
kAliveLogFile Indicates that WAL file is live and resides in the main db directory
kArchivedLogFile Indicates that WAL file is in archive directory.

Method Summary

Modifier and Type	Method and Description
static WalFileType	valueOf(String name) Returns the enum constant of this type with the specified name.
static WalFileType[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

kArchivedLogFile

public static final WalFileType kArchivedLogFile

Indicates that WAL file is in archive directory. WAL files are moved from the main db directory to archive directory once they are not live and stay there until cleaned up. Files are cleaned depending on archive size (Options::WAL_size_limit_MB) and time since last cleaning (Options::WAL_ttl_seconds).

kAliveLogFile

public static final WalFileType kAliveLogFile

Indicates that WAL file is live and resides in the main db directory

Method Detail

values

public static WalFileType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (WalFileType c : WalFileType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static WalFileType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null