Package org.rostore.v2.media.block

Enum Class BlockType

java.lang.Object

java.lang.Enum<BlockType>

org.rostore.v2.media.block.BlockType

All Implemented Interfaces:

Serializable, Comparable<BlockType>, Constable

public enum BlockType
extends Enum<BlockType>

A type of the block. It is needed to decide on the priority of the block, but also is used to validate internal logic.

This data is not persisted, and rather is available based on the run-time logic after the block is allocated.

DATA blocks are not cached after they are freed.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
CATALOG	Block belongs to the block catalog and used for block accounting (e.g.
DATA	This is the value data block, allocated by DataWriter or DataReader.
KEY	Block belongs to the key catalog and used for block accounting (e.g.

Method Summary

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

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

CATALOG

public static final BlockType CATALOG

Block belongs to the block catalog and used for block accounting (e.g. CatalogBlockOperations).

KEY

public static final BlockType KEY

Block belongs to the key catalog and used for block accounting (e.g. KeyBlockOperations).

DATA

public static final BlockType DATA

This is the value data block, allocated by DataWriter or DataReader.

Method Details

values

public static BlockType[] 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 BlockType 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