io.permazen.kv.mvstore

Class ByteArrayDataType

java.lang.Object

io.permazen.kv.mvstore.ByteArrayDataType

All Implemented Interfaces:

org.h2.mvstore.type.DataType

public final class ByteArrayDataType
extends Object
implements org.h2.mvstore.type.DataType

MVStore DataType for byte[] arrays sorted lexicographically.

When keys are encoded in bulk, prefix compression is applied via KeyListEncoder.

Field Summary

Fields

Modifier and Type	Field and Description
static ByteArrayDataType	INSTANCE

Method Summary

Modifier and Type	Method and Description
int	compare(Object a, Object b)
int	getMemory(Object obj)
byte[]	read(ByteBuffer buf)
void	read(ByteBuffer buf, Object[] obj, int len, boolean key)
protected void	readKeys(ByteBuffer buf, Object[] obj, int len)
protected void	readValues(ByteBuffer buf, Object[] obj, int len)
void	write(org.h2.mvstore.WriteBuffer buf, Object obj)
void	write(org.h2.mvstore.WriteBuffer buf, Object[] obj, int len, boolean key)
protected void	writeKeys(org.h2.mvstore.WriteBuffer buf, Object[] obj, int len)
protected void	writeValues(org.h2.mvstore.WriteBuffer buf, Object[] obj, int len)

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final ByteArrayDataType INSTANCE

Method Detail

compare

public int compare(Object a,
                   Object b)

Specified by:

compare in interface org.h2.mvstore.type.DataType

getMemory

public int getMemory(Object obj)

Specified by:

getMemory in interface org.h2.mvstore.type.DataType

write

public void write(org.h2.mvstore.WriteBuffer buf,
                  Object obj)

Specified by:

write in interface org.h2.mvstore.type.DataType

write

public void write(org.h2.mvstore.WriteBuffer buf,
                  Object[] obj,
                  int len,
                  boolean key)

Specified by:

write in interface org.h2.mvstore.type.DataType

writeKeys

protected void writeKeys(org.h2.mvstore.WriteBuffer buf,
                         Object[] obj,
                         int len)

writeValues

protected void writeValues(org.h2.mvstore.WriteBuffer buf,
                           Object[] obj,
                           int len)

read

public byte[] read(ByteBuffer buf)

Specified by:

read in interface org.h2.mvstore.type.DataType

read

public void read(ByteBuffer buf,
                 Object[] obj,
                 int len,
                 boolean key)

Specified by:

read in interface org.h2.mvstore.type.DataType

readKeys

protected void readKeys(ByteBuffer buf,
                        Object[] obj,
                        int len)

readValues

protected void readValues(ByteBuffer buf,
                          Object[] obj,
                          int len)