oracle.ifs.server

Class PostgresMediaBlobHelper.LargeObjectProxy

java.lang.Object

oracle.ifs.server.LibraryConnection.TransactionStateListener

oracle.ifs.server.PostgresMediaBlobHelper.LargeObjectProxy

Enclosing class:

PostgresMediaBlobHelper

public static class PostgresMediaBlobHelper.LargeObjectProxy
extends LibraryConnection.TransactionStateListener

LargeObjectProxy is a proxy for LargeObject, used so that the availability of the LargeObject can be managed to avoid SQL failures on the LibraryConnection from which the LargeObject was obtained.

(Unpublished)

Method Summary

Modifier and Type	Method and Description
void	close() Close this LargeObjectProxy.
void	close(boolean closeLob) Close this LargeObjectProxy, optionally closing the Lob.
void	handleCommit() Handle a commit operation.
void	handleDispose() Handle a dispose (of the LibraryConnection) operation.
void	handleRollback() Handle a rollback operation.
int	read(byte[] b, int off, int len) Reads from the large object.
void	seek64(long pos) Seeks to the specified position.
long	size64() Gets the size of the Lob.

Methods inherited from class java.lang.Object

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

Method Detail

size64

public long size64()
            throws SQLException

Gets the size of the Lob.

Returns:

the size of the Lob

Throws:

SQLException

seek64

public void seek64(long pos)
            throws SQLException

Seeks to the specified position.

Parameters:

pos - the position

Throws:

SQLException

read

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

Reads from the large object.

Parameters:

pos - the position

off - the offset within the buffer

len - the number of bytes to (attempt to) read

Returns:

the number of bytes actually read

Throws:

SQLException

close

public void close()

Close this LargeObjectProxy.

close

public void close(boolean closeLob)

Close this LargeObjectProxy, optionally closing the Lob.

Parameters:

closeLob - whether to close the Lob

handleCommit

public void handleCommit()

Handle a commit operation.

Specified by:

handleCommit in class LibraryConnection.TransactionStateListener

handleRollback

public void handleRollback()

Handle a rollback operation.

Specified by:

handleRollback in class LibraryConnection.TransactionStateListener

handleDispose

public void handleDispose()

Handle a dispose (of the LibraryConnection) operation.

Specified by:

handleDispose in class LibraryConnection.TransactionStateListener