wt.pds
Class LobInputStream

java.lang.Object
  java.io.InputStream
      wt.pds.LobInputStream

public final class LobInputStream

extends InputStream

This class provides an InputStream implementation for reading data from a Blob reference.

Field Summary

private long	available
private Object	blob
private byte[]	buf
private int	count
private DBMSLobHandler	lobHandler
private long	offset
private int	pos
private static String	RESOURCE

Fields inherited from class java.io.InputStream

Constructor Summary

LobInputStream(DBMSLobHandler a_lobHandler, Object a_blob, long a_length, int a_bufSize)

Method Summary

int	available()
void	close()
private void	fill()
private int	getBytes(byte[] buf, int off, int len)
void	mark(int readlimit)
boolean	markSupported()
int	read()
int	read(byte[] b, int off, int len)
void	reset()
long	skip(long n)

Methods inherited from class java.io.InputStream

read

Methods inherited from class java.lang.Object

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

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

lobHandler

private DBMSLobHandler lobHandler

blob

private Object blob

available

private long available

offset

private long offset

buf

private byte[] buf

count

private int count

pos

private int pos

Constructor Detail

LobInputStream

public LobInputStream(DBMSLobHandler a_lobHandler,
                      Object a_blob,
                      long a_length,
                      int a_bufSize)

Method Detail

read

public int read()
         throws IOException

Throws:

IOException

read

public int read(byte[] b,
                int off,
                int len)
         throws IOException

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Throws:

IOException

available

public int available()
              throws IOException

Throws:

IOException

close

public void close()

mark

public void mark(int readlimit)

reset

public void reset()
           throws IOException

Throws:

IOException

markSupported

public boolean markSupported()

getBytes

private int getBytes(byte[] buf,
                     int off,
                     int len)
              throws IOException

Throws:

IOException

fill

private void fill()
           throws IOException

Throws:

IOException