Enum Class FsyncPolicy

java.lang.Object

java.lang.Enum<FsyncPolicy>

org.j7m.middleware.api.durablelog.FsyncPolicy

All Implemented Interfaces:

Serializable, Comparable<FsyncPolicy>, Constable

public enum FsyncPolicy
extends Enum<FsyncPolicy>

Durable-log sync policy.

Nested Class Summary

Nested classes/interfaces inherited from class Enum

Enum.EnumDesc<E>

Enum Constant Summary

Enum Constants

Enum Constant	Description
GROUP_COMMIT	Batch storage sync across appends.
ON_CLOSE	Force storage sync when the log closes.
OS_BUFFERED	Development only; relies on OS buffering.
PER_APPEND	Force storage sync after every append.

Method Summary

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

Methods inherited from class Enum

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

Methods inherited from class Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

OS_BUFFERED

public static final FsyncPolicy OS_BUFFERED

Development only; relies on OS buffering.

PER_APPEND

public static final FsyncPolicy PER_APPEND

Force storage sync after every append.

GROUP_COMMIT

public static final FsyncPolicy GROUP_COMMIT

Batch storage sync across appends.

ON_CLOSE

public static final FsyncPolicy ON_CLOSE

Force storage sync when the log closes.

Method Details

values

public static FsyncPolicy[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

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

valueOf

public static FsyncPolicy valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name

NullPointerException - if the argument is null