org.jboss.messaging.core.journal.impl
Class NIOSequentialFile

java.lang.Object
  extended by org.jboss.messaging.core.journal.impl.NIOSequentialFile
All Implemented Interfaces:
SequentialFile

public class NIOSequentialFile
extends java.lang.Object
implements SequentialFile

A NIOSequentialFile

Author:
Tim Fox, Clebert Suconic

Constructor Summary
NIOSequentialFile(java.lang.String directory, java.lang.String fileName)
           
 
Method Summary
 int calculateBlockStart(int position)
           
 void close()
           
 void delete()
           
 void fill(int position, int size, byte fillCharacter)
           
 boolean fits(int size)
           
 void flush()
           
 int getAlignment()
           
 java.lang.String getFileName()
           
 boolean isOpen()
           
 void lockBuffer()
           
 void open()
           
 void open(int currentMaxIO)
          For certain operations (like loading) we don't need open the file with full maxIO
 long position()
           
 void position(long pos)
           
 int read(java.nio.ByteBuffer bytes)
           
 int read(java.nio.ByteBuffer bytes, IOCallback callback)
           
 void renameTo(java.lang.String newFileName)
           
 void setBuffering(boolean buffering)
           
 long size()
           
 void sync()
           
 java.lang.String toString()
           
 void unlockBuffer()
           
 void write(java.nio.ByteBuffer bytes, boolean sync)
           
 void write(java.nio.ByteBuffer bytes, boolean sync, IOCallback callback)
           
 void write(MessagingBuffer bytes, boolean sync)
           
 void write(MessagingBuffer bytes, boolean sync, IOCallback callback)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

NIOSequentialFile

public NIOSequentialFile(java.lang.String directory,
                         java.lang.String fileName)
Method Detail

getAlignment

public int getAlignment()
Specified by:
getAlignment in interface SequentialFile

flush

public void flush()

calculateBlockStart

public int calculateBlockStart(int position)
                        throws java.lang.Exception
Specified by:
calculateBlockStart in interface SequentialFile
Throws:
java.lang.Exception

fits

public boolean fits(int size)
Specified by:
fits in interface SequentialFile

getFileName

public java.lang.String getFileName()
Specified by:
getFileName in interface SequentialFile

isOpen

public boolean isOpen()
Specified by:
isOpen in interface SequentialFile

open

public void open()
          throws java.lang.Exception
Specified by:
open in interface SequentialFile
Throws:
java.lang.Exception

open

public void open(int currentMaxIO)
          throws java.lang.Exception
Description copied from interface: SequentialFile
For certain operations (like loading) we don't need open the file with full maxIO

Specified by:
open in interface SequentialFile
Throws:
java.lang.Exception

fill

public void fill(int position,
                 int size,
                 byte fillCharacter)
          throws java.lang.Exception
Specified by:
fill in interface SequentialFile
Throws:
java.lang.Exception

close

public void close()
           throws java.lang.Exception
Specified by:
close in interface SequentialFile
Throws:
java.lang.Exception

delete

public void delete()
            throws java.lang.Exception
Specified by:
delete in interface SequentialFile
Throws:
java.lang.Exception

read

public int read(java.nio.ByteBuffer bytes)
         throws java.lang.Exception
Specified by:
read in interface SequentialFile
Throws:
java.lang.Exception

read

public int read(java.nio.ByteBuffer bytes,
                IOCallback callback)
         throws java.lang.Exception
Specified by:
read in interface SequentialFile
Throws:
java.lang.Exception

write

public void write(MessagingBuffer bytes,
                  boolean sync)
           throws java.lang.Exception
Specified by:
write in interface SequentialFile
Throws:
java.lang.Exception

write

public void write(MessagingBuffer bytes,
                  boolean sync,
                  IOCallback callback)
           throws java.lang.Exception
Specified by:
write in interface SequentialFile
Throws:
java.lang.Exception

write

public void write(java.nio.ByteBuffer bytes,
                  boolean sync)
           throws java.lang.Exception
Specified by:
write in interface SequentialFile
Throws:
java.lang.Exception

write

public void write(java.nio.ByteBuffer bytes,
                  boolean sync,
                  IOCallback callback)
           throws java.lang.Exception
Specified by:
write in interface SequentialFile
Throws:
java.lang.Exception

sync

public void sync()
          throws java.lang.Exception
Specified by:
sync in interface SequentialFile
Throws:
java.lang.Exception

size

public long size()
          throws java.lang.Exception
Specified by:
size in interface SequentialFile
Throws:
java.lang.Exception

position

public void position(long pos)
              throws java.lang.Exception
Specified by:
position in interface SequentialFile
Throws:
java.lang.Exception

position

public long position()
              throws java.lang.Exception
Specified by:
position in interface SequentialFile
Throws:
java.lang.Exception

renameTo

public void renameTo(java.lang.String newFileName)
              throws java.lang.Exception
Specified by:
renameTo in interface SequentialFile
Throws:
java.lang.Exception

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object

setBuffering

public void setBuffering(boolean buffering)

lockBuffer

public void lockBuffer()
Specified by:
lockBuffer in interface SequentialFile

unlockBuffer

public void unlockBuffer()
Specified by:
unlockBuffer in interface SequentialFile


Copyright © 2006 JBoss Inc. All Rights Reserved.