com.orientechnologies.orient.core.storage.fs

Class OFileClassic

java.lang.Object

com.orientechnologies.orient.core.storage.fs.OFileClassic

All Implemented Interfaces:

OClosableItem, OFile

public class OFileClassic
extends Object
implements OFile, OClosableItem

Field Summary

Fields

Modifier and Type	Field and Description
static int	HEADER_SIZE
static String	NAME
static int	VERSION_OFFSET

Constructor Summary

Constructors

Constructor and Description
OFileClassic(String osFile, String mode)

Method Summary

Modifier and Type	Method and Description
long	allocateSpace(long size)
void	close() Closes the file.
void	create() Creates the file.
void	delete() Deletes the file.
boolean	exists()
String	getAbsolutePath()
long	getFileSize()
String	getName()
String	getPath()
boolean	isOpen()
void	open() Opens the file.
void	read(long iOffset, byte[] iDestBuffer, int length)
void	read(long offset, byte[] iData, int iLength, int iArrayOffset)
void	read(long offset, ByteBuffer[] buffers, boolean throwOnEof)
void	read(long offset, ByteBuffer buffer, boolean throwOnEof)
byte	readByte(long iOffset)
int	readInt(long iOffset)
long	readLong(long iOffset)
short	readShort(long iOffset)
boolean	renameTo(File newFile)
void	shrink(long size) Shrink the file content (filledUpTo attribute only)
boolean	synch() Synchronizes the buffered changes to disk.
String	toString()
void	write(long iOffset, byte[] iSourceBuffer)
void	write(long iOffset, byte[] iData, int iSize, int iArrayOffset)
void	write(long offset, ByteBuffer buffer)
void	writeByte(long iOffset, byte iValue)
void	writeInt(long iOffset, int iValue)
void	writeLong(long iOffset, long iValue)
void	writeShort(long iOffset, short iValue)

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

HEADER_SIZE

public static final int HEADER_SIZE

See Also:

Constant Field Values

VERSION_OFFSET

public static final int VERSION_OFFSET

See Also:

Constant Field Values

Constructor Detail

OFileClassic

public OFileClassic(String osFile,
                    String mode)

Method Detail

allocateSpace

public long allocateSpace(long size)
                   throws IOException

Specified by:

allocateSpace in interface OFile

Throws:

IOException

shrink

public void shrink(long size)
            throws IOException

Description copied from interface: OFile

Shrink the file content (filledUpTo attribute only)

Specified by:

shrink in interface OFile

Throws:

IOException

getFileSize

public long getFileSize()

Specified by:

getFileSize in interface OFile

read

public void read(long offset,
                 byte[] iData,
                 int iLength,
                 int iArrayOffset)
          throws IOException

Specified by:

read in interface OFile

Throws:

IOException

read

public void read(long offset,
                 ByteBuffer buffer,
                 boolean throwOnEof)
          throws IOException

Specified by:

read in interface OFile

Throws:

IOException

read

public void read(long offset,
                 ByteBuffer[] buffers,
                 boolean throwOnEof)
          throws IOException

Specified by:

read in interface OFile

Throws:

IOException

write

public void write(long offset,
                  ByteBuffer buffer)
           throws IOException

Specified by:

write in interface OFile

Throws:

IOException

write

public void write(long iOffset,
                  byte[] iData,
                  int iSize,
                  int iArrayOffset)
           throws IOException

Specified by:

write in interface OFile

Throws:

IOException

read

public void read(long iOffset,
                 byte[] iDestBuffer,
                 int length)
          throws IOException

Specified by:

read in interface OFile

Throws:

IOException

readInt

public int readInt(long iOffset)
            throws IOException

Specified by:

readInt in interface OFile

Throws:

IOException

readLong

public long readLong(long iOffset)
              throws IOException

Specified by:

readLong in interface OFile

Throws:

IOException

readShort

public short readShort(long iOffset)
                throws IOException

Specified by:

readShort in interface OFile

Throws:

IOException

readByte

public byte readByte(long iOffset)
              throws IOException

Specified by:

readByte in interface OFile

Throws:

IOException

writeInt

public void writeInt(long iOffset,
                     int iValue)
              throws IOException

Specified by:

writeInt in interface OFile

Throws:

IOException

writeLong

public void writeLong(long iOffset,
                      long iValue)
               throws IOException

Specified by:

writeLong in interface OFile

Throws:

IOException

writeShort

public void writeShort(long iOffset,
                       short iValue)
                throws IOException

Specified by:

writeShort in interface OFile

Throws:

IOException

writeByte

public void writeByte(long iOffset,
                      byte iValue)
               throws IOException

Specified by:

writeByte in interface OFile

Throws:

IOException

write

public void write(long iOffset,
                  byte[] iSourceBuffer)
           throws IOException

Specified by:

write in interface OFile

Throws:

IOException

synch

public boolean synch()
              throws IOException

Synchronizes the buffered changes to disk.

Specified by:

synch in interface OFile

Throws:

IOException

create

public void create()
            throws IOException

Description copied from interface: OFile

Creates the file.

Specified by:

create in interface OFile

Throws:

IOException

open

public void open()

Description copied from interface: OFile

Opens the file.

Specified by:

open in interface OClosableItem

Specified by:

open in interface OFile

close

public void close()

Description copied from interface: OFile

Closes the file.

Specified by:

close in interface OClosableItem

Specified by:

close in interface OFile

delete

public void delete()
            throws IOException

Description copied from interface: OFile

Deletes the file.

Specified by:

delete in interface OFile

Throws:

IOException

isOpen

public boolean isOpen()

Specified by:

isOpen in interface OClosableItem

Specified by:

isOpen in interface OFile

exists

public boolean exists()

Specified by:

exists in interface OFile

getName

public String getName()

Specified by:

getName in interface OFile

getPath

public String getPath()

Specified by:

getPath in interface OFile

getAbsolutePath

public String getAbsolutePath()

Specified by:

getAbsolutePath in interface OFile

renameTo

public boolean renameTo(File newFile)
                 throws IOException

Specified by:

renameTo in interface OFile

Throws:

IOException

toString

public String toString()

Specified by:

toString in interface OFile

Overrides:

toString in class Object