Package net.minecraft.world.level.chunk.storage

Class RegionFileVersion

java.lang.Object

net.minecraft.world.level.chunk.storage.RegionFileVersion

public class RegionFileVersion
extends Object

A decorator for input and output streams used to read and write the chunk data from region files. This exists as there are different ways of compressing the chunk data inside a region file.

See Also:

• VERSION_GZIP
• VERSION_DEFLATE
• VERSION_NONE

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static interface	RegionFileVersion.StreamWrapper<O>

Field Summary

Fields

Modifier and Type	Field	Description
static final RegionFileVersion	DEFAULT
private final int	id
private final RegionFileVersion.StreamWrapper<InputStream>	inputWrapper
private static final org.slf4j.Logger	LOGGER
private final String	optionName
private final RegionFileVersion.StreamWrapper<OutputStream>	outputWrapper
private static RegionFileVersion	selected
static final RegionFileVersion	VERSION_CUSTOM
static final RegionFileVersion	VERSION_DEFLATE	Used to store the chunk data in zlib format.
static final RegionFileVersion	VERSION_GZIP	Used to store the chunk data in gzip format.
static final RegionFileVersion	VERSION_LZ4	Used to store the chunk data in lz4 format.
static final RegionFileVersion	VERSION_NONE	Used to keep the chunk data uncompressed.
private static final it.unimi.dsi.fastutil.ints.Int2ObjectMap<RegionFileVersion>	VERSIONS
private static final it.unimi.dsi.fastutil.objects.Object2ObjectMap<String,RegionFileVersion>	VERSIONS_BY_NAME

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RegionFileVersion(int pId, String pOptionName, RegionFileVersion.StreamWrapper<InputStream> pInputWrapper, RegionFileVersion.StreamWrapper<OutputStream> pOutputWrapper)

Method Summary

Modifier and Type	Method	Description
static void	configure(String pOptionValue)
static RegionFileVersion	fromId(int pId)
int	getId()
static RegionFileVersion	getSelected()
static boolean	isValidVersion(int pId)
private static RegionFileVersion	register(RegionFileVersion pFileVersion)
InputStream	wrap(InputStream pInputStream)
OutputStream	wrap(OutputStream pOutputStream)

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

VERSIONS

private static final it.unimi.dsi.fastutil.ints.Int2ObjectMap<RegionFileVersion> VERSIONS

VERSIONS_BY_NAME

private static final it.unimi.dsi.fastutil.objects.Object2ObjectMap<String,RegionFileVersion> VERSIONS_BY_NAME

VERSION_GZIP

public static final RegionFileVersion VERSION_GZIP

Used to store the chunk data in gzip format. Unused in practice.

VERSION_DEFLATE

public static final RegionFileVersion VERSION_DEFLATE

Used to store the chunk data in zlib format. This is the default.

VERSION_NONE

public static final RegionFileVersion VERSION_NONE

Used to keep the chunk data uncompressed. Unused in practice.

VERSION_LZ4

public static final RegionFileVersion VERSION_LZ4

Used to store the chunk data in lz4 format. Used when region-file-compression is set to 1z4 in server.properties.

VERSION_CUSTOM

public static final RegionFileVersion VERSION_CUSTOM

DEFAULT

public static final RegionFileVersion DEFAULT

selected

private static volatile RegionFileVersion selected

id

private final int id

optionName

@Nullable
private final String optionName

inputWrapper

private final RegionFileVersion.StreamWrapper<InputStream> inputWrapper

outputWrapper

private final RegionFileVersion.StreamWrapper<OutputStream> outputWrapper

Constructor Details

RegionFileVersion

private RegionFileVersion(int pId,
 @Nullable
 String pOptionName,
 RegionFileVersion.StreamWrapper<InputStream> pInputWrapper,
 RegionFileVersion.StreamWrapper<OutputStream> pOutputWrapper)

Method Details

register

private static RegionFileVersion register(RegionFileVersion pFileVersion)

fromId

@Nullable
public static RegionFileVersion fromId(int pId)

configure

public static void configure(String pOptionValue)

getSelected

public static RegionFileVersion getSelected()

isValidVersion

public static boolean isValidVersion(int pId)

getId

public int getId()

wrap

public OutputStream wrap(OutputStream pOutputStream)
                  throws IOException

Throws:

IOException

wrap

public InputStream wrap(InputStream pInputStream)
                 throws IOException

Throws:

IOException