org.mapdb

Class Volume.MemoryVolSingle

java.lang.Object

org.mapdb.Volume

org.mapdb.Volume.ByteBufferVolSingle

org.mapdb.Volume.MemoryVolSingle

All Implemented Interfaces:

Closeable, AutoCloseable

Enclosing class:

Volume

public static final class Volume.MemoryVolSingle
extends Volume.ByteBufferVolSingle

Nested Class Summary

Nested classes/interfaces inherited from class org.mapdb.Volume

Volume.ByteArrayVol, Volume.ByteBufferVol, Volume.ByteBufferVolSingle, Volume.FileChannelVol, Volume.MappedFileVol, Volume.MappedFileVolSingle, Volume.MemoryVol, Volume.MemoryVolSingle, Volume.RandomAccessFileVol, Volume.ReadOnly, Volume.SingleByteArrayVol, Volume.VolumeFactory

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	useDirectBuffer

Fields inherited from class org.mapdb.Volume.ByteBufferVolSingle

buffer, cleanerHackEnabled, maxSize, readOnly

Fields inherited from class org.mapdb.Volume

closed, LOG, UNSAFE_VOL_FACTORY

Constructor Summary

Constructors

Constructor and Description
Volume.MemoryVolSingle(boolean useDirectBuffer, long maxSize, boolean cleanerHackEnabled)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
File	getFile() returns underlying file if it exists
boolean	getFileLocked() return true if this Volume holds exclusive lock over its file
long	length()
void	sync()
String	toString()
void	truncate(long size)

Methods inherited from class org.mapdb.Volume.ByteBufferVolSingle

clear, ensureAvailable, getByte, getData, getDataInput, getDataInputOverlap, getInt, getLong, isSliced, putByte, putData, putData, putDataOverlap, putInt, putLong, sliceSize, transferInto

Methods inherited from class org.mapdb.Volume

assertZeroes, copyEntireVolumeTo, deleteFile, fileLoad, finalize, getLongPackBidi, getLongPackBidiReverse, getPackedLong, getSixLong, getUnsignedByte, getUnsignedShort, hash, isClosed, putLongPackBidi, putPackedLong, putSixLong, putUnsignedByte, putUnsignedShort, volumeTransfer

Methods inherited from class java.lang.Object

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

Field Detail

useDirectBuffer

protected final boolean useDirectBuffer

Constructor Detail

Volume.MemoryVolSingle

public Volume.MemoryVolSingle(boolean useDirectBuffer,
                      long maxSize,
                      boolean cleanerHackEnabled)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

truncate

public void truncate(long size)

Specified by:

truncate in class Volume

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class Volume

sync

public void sync()

Specified by:

sync in class Volume

length

public long length()

Specified by:

length in class Volume

getFile

public File getFile()

Description copied from class: Volume

returns underlying file if it exists

Specified by:

getFile in class Volume

getFileLocked

public boolean getFileLocked()

Description copied from class: Volume

return true if this Volume holds exclusive lock over its file

Specified by:

getFileLocked in class Volume