net.openhft.chronicle.bytes

Class MappedFile

java.lang.Object

net.openhft.chronicle.bytes.MappedFile

All Implemented Interfaces:

Closeable, AutoCloseable, net.openhft.chronicle.core.ReferenceCounted

public class MappedFile
extends Object
implements net.openhft.chronicle.core.ReferenceCounted

Method Summary

Modifier and Type	Method and Description
Bytes	acquireBytesForRead(long position) Convenience method so you don't need to release the BytesStore
void	acquireBytesForRead(long position, VanillaBytes bytes)
Bytes	acquireBytesForWrite(long position)
void	acquireBytesForWrite(long position, VanillaBytes bytes)
MappedBytesStore	acquireByteStore(long position)
long	capacity()
void	close()
static MappedFile	mappedFile(File file, long chunkSize)
static MappedFile	mappedFile(File file, long chunkSize, long overlapSize)
static MappedFile	mappedFile(String filename, long chunkSize)
static MappedFile	mappedFile(String filename, long chunkSize, long overlapSize)
long	refCount()
String	referenceCounts()
void	release()
void	reserve()

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.openhft.chronicle.core.ReferenceCounted

releaseAll, tryReserve

Methods inherited from interface net.openhft.chronicle.core.io.Closeable

closeQuietly

Method Detail

mappedFile

public static MappedFile mappedFile(File file,
                                    long chunkSize)
                             throws FileNotFoundException

Throws:

FileNotFoundException

mappedFile

public static MappedFile mappedFile(String filename,
                                    long chunkSize)
                             throws FileNotFoundException

Throws:

FileNotFoundException

mappedFile

public static MappedFile mappedFile(String filename,
                                    long chunkSize,
                                    long overlapSize)
                             throws FileNotFoundException

Throws:

FileNotFoundException

mappedFile

public static MappedFile mappedFile(File file,
                                    long chunkSize,
                                    long overlapSize)
                             throws FileNotFoundException

Throws:

FileNotFoundException

acquireByteStore

public MappedBytesStore acquireByteStore(long position)
                                  throws IOException

Throws:

IOException

acquireBytesForRead

public Bytes acquireBytesForRead(long position)
                          throws IOException

Convenience method so you don't need to release the BytesStore

Throws:

IOException

acquireBytesForRead

public void acquireBytesForRead(long position,
                                VanillaBytes bytes)
                         throws IOException

Throws:

IOException

acquireBytesForWrite

public Bytes acquireBytesForWrite(long position)
                           throws IOException

Throws:

IOException

acquireBytesForWrite

public void acquireBytesForWrite(long position,
                                 VanillaBytes bytes)
                          throws IOException

Throws:

IOException

reserve

public void reserve()

Specified by:

reserve in interface net.openhft.chronicle.core.ReferenceCounted

release

public void release()

Specified by:

release in interface net.openhft.chronicle.core.ReferenceCounted

refCount

public long refCount()

Specified by:

refCount in interface net.openhft.chronicle.core.ReferenceCounted

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface net.openhft.chronicle.core.ReferenceCounted

referenceCounts

public String referenceCounts()

capacity

public long capacity()