org.mapdb.volume

Class ByteBufferMemoryVolSingle

java.lang.Object

org.mapdb.volume.Volume

org.mapdb.volume.ByteBufferVolSingle

org.mapdb.volume.ByteBufferMemoryVolSingle

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public final class ByteBufferMemoryVolSingle
extends ByteBufferVolSingle

Created by jan on 3/13/16.

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.Volume

closed, LOG, UNSAFE_VOL_FACTORY

Constructor Summary

Constructors

Constructor and Description
ByteBufferMemoryVolSingle(boolean useDirectBuffer, long maxSize, boolean cleanerHackEnabled)

Method Summary

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

Methods inherited from class org.mapdb.volume.ByteBufferVolSingle

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

Methods inherited from class org.mapdb.volume.Volume

assertZeroes, clearOverlap, copyFrom, copyTo, copyTo, deleteFile, fileLoad, finalize, getPackedLong, getSixLong, getUnsignedByte, getUnsignedShort, hash, isClosed, putPackedLong, putSixLong, putUnsignedByte, putUnsignedShort

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

ByteBufferMemoryVolSingle

public ByteBufferMemoryVolSingle(boolean useDirectBuffer,
                                 long maxSize,
                                 boolean cleanerHackEnabled)

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

truncate

public void truncate(long size)

Specified by:

truncate in class Volume

close

public void close()

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.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

isReadOnly

public boolean isReadOnly()

Specified by:

isReadOnly in class Volume

getFile

public java.io.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