Package org.apache.hadoop.ozone.container.common.impl

Enum ContainerLayoutVersion

java.lang.Object

java.lang.Enum<ContainerLayoutVersion>

org.apache.hadoop.ozone.container.common.impl.ContainerLayoutVersion

All Implemented Interfaces:

Serializable, Comparable<ContainerLayoutVersion>

public enum ContainerLayoutVersion
extends Enum<ContainerLayoutVersion>

Defines layout versions for the Chunks.

Enum Constant Summary

Enum Constants

Enum Constant	Description
FILE_PER_BLOCK
FILE_PER_CHUNK	Deprecated.

Field Summary

Fields

Modifier and Type	Field	Description
static final ContainerLayoutVersion	DEFAULT_LAYOUT

Method Summary

Modifier and Type	Method	Description
static List<ContainerLayoutVersion>	getAllVersions()
abstract File	getChunkFile(File chunkDir, org.apache.hadoop.hdds.client.BlockID blockID, String chunkName)
File	getChunkFile(ContainerData containerData, org.apache.hadoop.hdds.client.BlockID blockID, String chunkName)
static ContainerLayoutVersion	getConfiguredVersion(org.apache.hadoop.hdds.conf.ConfigurationSource conf)
static ContainerLayoutVersion	getContainerLayoutVersion(int containerVersion)	Return ContainerLayoutVersion object for the numeric containerVersion.
String	getDescription()
int	getVersion()
String	toString()
static ContainerLayoutVersion	valueOf(String name)	Returns the enum constant of this type with the specified name.
static ContainerLayoutVersion[]	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, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

FILE_PER_CHUNK

@Deprecated
public static final ContainerLayoutVersion FILE_PER_CHUNK

Deprecated.

FILE_PER_BLOCK

public static final ContainerLayoutVersion FILE_PER_BLOCK

Field Details

DEFAULT_LAYOUT

public static final ContainerLayoutVersion DEFAULT_LAYOUT

Method Details

values

public static ContainerLayoutVersion[] values()

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

Returns:

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

valueOf

public static ContainerLayoutVersion 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

getContainerLayoutVersion

public static ContainerLayoutVersion getContainerLayoutVersion(int containerVersion)

Return ContainerLayoutVersion object for the numeric containerVersion.

getAllVersions

public static List<ContainerLayoutVersion> getAllVersions()

Returns:

list of all versions.

getConfiguredVersion

public static ContainerLayoutVersion getConfiguredVersion(org.apache.hadoop.hdds.conf.ConfigurationSource conf)

Returns:

the latest version.

getVersion

public int getVersion()

Returns:

version number.

getDescription

public String getDescription()

Returns:

description.

getChunkFile

public abstract File getChunkFile(File chunkDir,
 org.apache.hadoop.hdds.client.BlockID blockID,
 String chunkName)

getChunkFile

public File getChunkFile(ContainerData containerData,
 org.apache.hadoop.hdds.client.BlockID blockID,
 String chunkName)
                  throws org.apache.hadoop.hdds.scm.container.common.helpers.StorageContainerException

Throws:

org.apache.hadoop.hdds.scm.container.common.helpers.StorageContainerException

toString

public String toString()

Overrides:

toString in class Enum<ContainerLayoutVersion>