org.teiid.common.buffer
Class FileStore

java.lang.Object
  org.teiid.common.buffer.FileStore

Direct Known Subclasses:

FileStorageManager.DiskStore

public abstract class FileStore
extends java.lang.Object

Nested Class Summary

class

FileStore.FileStoreOutputStream A customized buffered stream with an exposed buffer

Field Summary

protected long

len

Constructor Summary

FileStore()

Method Summary

java.io.InputStream	createInputStream(long start)
java.io.InputStream	createInputStream(long start, long length)
java.io.OutputStream	createOutputStream()
FileStore.FileStoreOutputStream	createOutputStream(int maxMemorySize)
long	getLength()
int	read(long fileOffset, byte[] b, int offSet, int length)
protected abstract int	readDirect(long fileOffset, byte[] b, int offSet, int length)
void	readFully(long fileOffset, byte[] b, int offSet, int length)
void	remove()
protected abstract void	removeDirect()
void	setCleanupReference(java.lang.Object o)
void	write(byte[] bytes)
long	write(byte[] bytes, int offset, int length)
protected abstract void	writeDirect(byte[] bytes, int offset, int length)

Methods inherited from class java.lang.Object

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

Field Detail

len

protected long len

Constructor Detail

FileStore

public FileStore()

Method Detail

setCleanupReference

public void setCleanupReference(java.lang.Object o)

getLength

public long getLength()

read

public int read(long fileOffset,
                byte[] b,
                int offSet,
                int length)
         throws TeiidComponentException

Throws:

TeiidComponentException

readDirect

protected abstract int readDirect(long fileOffset,
                                  byte[] b,
                                  int offSet,
                                  int length)
                           throws TeiidComponentException

Throws:

TeiidComponentException

readFully

public void readFully(long fileOffset,
                      byte[] b,
                      int offSet,
                      int length)
               throws TeiidComponentException

Throws:

TeiidComponentException

write

public void write(byte[] bytes)
           throws TeiidComponentException

Throws:

TeiidComponentException

write

public long write(byte[] bytes,
                  int offset,
                  int length)
           throws TeiidComponentException

Throws:

TeiidComponentException

writeDirect

protected abstract void writeDirect(byte[] bytes,
                                    int offset,
                                    int length)
                             throws TeiidComponentException

Throws:

TeiidComponentException

remove

public void remove()

removeDirect

protected abstract void removeDirect()

createInputStream

public java.io.InputStream createInputStream(long start,
                                             long length)

createInputStream

public java.io.InputStream createInputStream(long start)

createOutputStream

public java.io.OutputStream createOutputStream()

createOutputStream

public FileStore.FileStoreOutputStream createOutputStream(int maxMemorySize)