org.jscsi.target.storage

Class SynchronizedRandomAccessStorageModule

java.lang.Object

org.jscsi.target.storage.RandomAccessStorageModule

org.jscsi.target.storage.SynchronizedRandomAccessStorageModule

All Implemented Interfaces:

IStorageModule

public class SynchronizedRandomAccessStorageModule
extends RandomAccessStorageModule
implements IStorageModule

Nested Class Summary

Nested classes/interfaces inherited from interface org.jscsi.target.storage.IStorageModule

IStorageModule.STORAGEKIND

Field Summary

Fields inherited from class org.jscsi.target.storage.RandomAccessStorageModule

sizeInBlocks

Fields inherited from interface org.jscsi.target.storage.IStorageModule

VIRTUAL_BLOCK_SIZE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SynchronizedRandomAccessStorageModule(long sizeInBlocks, RandomAccessFile randomAccessFile)

Method Summary

Methods

Modifier and Type	Method and Description
void	read(byte[] bytes, int bytesOffset, int length, long storageIndex) Copies bytes from storage to the passed byte array.
void	write(byte[] bytes, int bytesOffset, int length, long storageIndex) Saves part of the passed byte array's content.

Methods inherited from class org.jscsi.target.storage.RandomAccessStorageModule

checkBounds, close, getSizeInBlocks, open

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jscsi.target.storage.IStorageModule

checkBounds, close, getSizeInBlocks

Constructor Detail

SynchronizedRandomAccessStorageModule

protected SynchronizedRandomAccessStorageModule(long sizeInBlocks,
                                     RandomAccessFile randomAccessFile)
                                         throws FileNotFoundException

Throws:

FileNotFoundException

Method Detail

read

public void read(byte[] bytes,
        int bytesOffset,
        int length,
        long storageIndex)
          throws IOException

Description copied from class: RandomAccessStorageModule

Copies bytes from storage to the passed byte array.

Specified by:

read in interface IStorageModule

Overrides:

read in class RandomAccessStorageModule

Parameters:

bytes - the array into which the data will be copied

bytesOffset - the position of the first byte in bytes, which will be filled with data from storage

length - the number of bytes to copy

storageIndex - the position of the first byte to be copied

Throws:

IOException

write

public void write(byte[] bytes,
         int bytesOffset,
         int length,
         long storageIndex)
           throws IOException

Description copied from class: RandomAccessStorageModule

Saves part of the passed byte array's content.

Specified by:

write in interface IStorageModule

Overrides:

write in class RandomAccessStorageModule

Parameters:

bytes - the source of the data to be stored

bytesOffset - offset of the first byte to be stored

length - the number of bytes to be copied

storageIndex - byte offset in the storage area

Throws:

IOException