io.github.opencubicchunks.cubicchunks.core.server.chunkio.region

Class ShadowPagingRegion<K extends cubicchunks.regionlib.api.region.key.IKey<K>>

java.lang.Object

io.github.opencubicchunks.cubicchunks.core.server.chunkio.region.ShadowPagingRegion<K>

All Implemented Interfaces:

cubicchunks.regionlib.api.region.IRegion<K>, java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable

public class ShadowPagingRegion<K extends cubicchunks.regionlib.api.region.key.IKey<K>>
extends java.lang.Object
implements cubicchunks.regionlib.api.region.IRegion<K>

Simplified Region class implementing shadow paging by using custom sector tracker that doesn't reallocate entries in place.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ShadowPagingRegion.Builder<K extends cubicchunks.regionlib.api.region.key.IKey<K>>

Method Summary

Modifier and Type	Method and Description
static <L extends cubicchunks.regionlib.api.region.key.IKey<L>> ShadowPagingRegion.Builder<L>	builder()
void	close()
void	flush()
void	forEachKey(cubicchunks.regionlib.util.CheckedConsumer<? super K,java.io.IOException> cons)
boolean	hasValue(K key) Returns true if something was stored there before within this region.
static void	readFully(java.nio.channels.FileChannel src, java.nio.ByteBuffer data, long position)
java.util.Optional<java.nio.ByteBuffer>	readValue(K key)
void	writeSpecial(K key, java.lang.Object marker)
void	writeValue(K key, java.nio.ByteBuffer value)
void	writeValues(java.util.Map<K,java.nio.ByteBuffer> entries)

Methods inherited from class java.lang.Object

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

Method Detail

writeValue

public void writeValue(K key,
                       java.nio.ByteBuffer value)
                throws java.io.IOException

Specified by:

writeValue in interface cubicchunks.regionlib.api.region.IRegion<K extends cubicchunks.regionlib.api.region.key.IKey<K>>

Throws:

java.io.IOException

writeValues

public void writeValues(java.util.Map<K,java.nio.ByteBuffer> entries)
                 throws java.io.IOException

Specified by:

writeValues in interface cubicchunks.regionlib.api.region.IRegion<K extends cubicchunks.regionlib.api.region.key.IKey<K>>

Throws:

java.io.IOException

writeSpecial

public void writeSpecial(K key,
                         java.lang.Object marker)
                  throws java.io.IOException

Specified by:

writeSpecial in interface cubicchunks.regionlib.api.region.IRegion<K extends cubicchunks.regionlib.api.region.key.IKey<K>>

Throws:

java.io.IOException

readValue

public java.util.Optional<java.nio.ByteBuffer> readValue(K key)
                                                  throws java.io.IOException

Specified by:

readValue in interface cubicchunks.regionlib.api.region.IRegion<K extends cubicchunks.regionlib.api.region.key.IKey<K>>

Throws:

java.io.IOException

hasValue

public boolean hasValue(K key)

Returns true if something was stored there before within this region.

Specified by:

hasValue in interface cubicchunks.regionlib.api.region.IRegion<K extends cubicchunks.regionlib.api.region.key.IKey<K>>

forEachKey

public void forEachKey(cubicchunks.regionlib.util.CheckedConsumer<? super K,java.io.IOException> cons)
                throws java.io.IOException

Specified by:

forEachKey in interface cubicchunks.regionlib.api.region.IRegion<K extends cubicchunks.regionlib.api.region.key.IKey<K>>

Throws:

java.io.IOException

flush

public void flush()
           throws java.io.IOException

Specified by:

flush in interface java.io.Flushable

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.io.IOException

builder

public static <L extends cubicchunks.regionlib.api.region.key.IKey<L>> ShadowPagingRegion.Builder<L> builder()

readFully

public static void readFully(java.nio.channels.FileChannel src,
                             java.nio.ByteBuffer data,
                             long position)
                      throws java.io.IOException

Throws:

java.io.IOException