io.github.whippetdb.memory.basic

Class SimpleFileDataSpace

java.lang.Object

io.github.whippetdb.memory.basic.DirectDataIO

io.github.whippetdb.memory.basic.SimpleFileDataIO

io.github.whippetdb.memory.basic.SimpleFileDataSpace

All Implemented Interfaces:

MemDataIO, MemDataSpace, MemIO, MemSpace

Direct Known Subclasses:

DbFile

public class SimpleFileDataSpace
extends SimpleFileDataIO
implements MemDataSpace

Field Summary

Fields inherited from class io.github.whippetdb.memory.basic.SimpleFileDataIO

mapMode, persistent

Constructor Summary

Constructors

Constructor and Description
SimpleFileDataSpace(java.lang.String path, java.nio.channels.FileChannel.MapMode mapMode, long reserved)
SimpleFileDataSpace(java.lang.String path, java.nio.channels.FileChannel.MapMode mapMode, long reserved, int lgPageSize)
SimpleFileDataSpace(java.lang.String path, long reserved)
SimpleFileDataSpace(java.lang.String path, long reserved, int lgPageSize)

Method Summary

Modifier and Type	Method and Description
long	allocate(int len, boolean clear)
long	allocatedSize()
void	setSize(long v)

Methods inherited from class io.github.whippetdb.memory.basic.SimpleFileDataIO

close, ensureSize, file, flush, rename, toString

Methods inherited from class io.github.whippetdb.memory.basic.DirectDataIO

fillByte, fillLong, read, read, read, readByte, readBytes, readBytes, readInt, readLong, readShort, readString, write, write, write, write, writeByte, writeBytes, writeBytes, writeInt, writeLong, writeShort

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.github.whippetdb.memory.api.MemDataIO

equals, fillLong, readBytes, readBytes, readInt, readLong, readShort, writeBytes, writeBytes, writeInt, writeLong, writeShort

Methods inherited from interface io.github.whippetdb.memory.api.MemIO

compareTo, equals, fillByte, read, read, read, readByte, readString, toString, write, write, write, write, write, writeByte

Constructor Detail

SimpleFileDataSpace

public SimpleFileDataSpace(java.lang.String path,
                           long reserved)
                    throws java.io.IOException

Throws:

java.io.IOException

SimpleFileDataSpace

public SimpleFileDataSpace(java.lang.String path,
                           java.nio.channels.FileChannel.MapMode mapMode,
                           long reserved)
                    throws java.io.IOException

Throws:

java.io.IOException

SimpleFileDataSpace

public SimpleFileDataSpace(java.lang.String path,
                           long reserved,
                           int lgPageSize)
                    throws java.io.IOException

Throws:

java.io.IOException

SimpleFileDataSpace

public SimpleFileDataSpace(java.lang.String path,
                           java.nio.channels.FileChannel.MapMode mapMode,
                           long reserved,
                           int lgPageSize)
                    throws java.io.IOException

Throws:

java.io.IOException

Method Detail

allocate

public long allocate(int len,
                     boolean clear)

Specified by:

allocate in interface MemSpace

allocatedSize

public long allocatedSize()

Specified by:

allocatedSize in interface MemSpace

setSize

public void setSize(long v)

Overrides:

setSize in class SimpleFileDataIO