wt.pds.oracle81
Class StandardLobHandler81

java.lang.Object
  wt.pds.AbstractLobHandler
      wt.pds.ChunkLobHandler
          wt.pds.oracle81.StandardLobHandler81

All Implemented Interfaces:

LobHandler

public class StandardLobHandler81

extends ChunkLobHandler

This concrete class provides standard Lob handling implementation for Oracle 8.1 using JDBC.

Supported API: false

Extendable: false

Field Summary

private static String	CLASSNAME
static boolean	DEBUG
private static DebugWriter	LOG
private static String	PDS_RESOURCE
private static String	RESOURCE

Constructor Summary

StandardLobHandler81()

Method Summary

protected long	getLobLength(WTConnection a_connection, Object a_blob) Returns the length of the specified LOB.
protected void	setLobLength(WTConnection a_connection, Object a_blob, long a_length) Set the length of the specified LOB.
protected void	write(WTConnection a_connection, Object a_blob, long a_blobOffset, InputStream a_inputStream, long a_length) Writes the data to the specified LOB.

Methods inherited from class wt.pds.ChunkLobHandler

setLob, setLob, setObjectAsLob

Methods inherited from class wt.pds.AbstractLobHandler

findLocator, getBlob, getLob, getLobAsByteArray, getLobAsObject, setBlob, streamAvailable

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

CLASSNAME

private static final String CLASSNAME

DEBUG

public static final boolean DEBUG

LOG

private static final DebugWriter LOG

PDS_RESOURCE

private static final String PDS_RESOURCE

See Also:

Constant Field Values

Constructor Detail

StandardLobHandler81

public StandardLobHandler81()

Method Detail

setLobLength

protected void setLobLength(WTConnection a_connection,
                            Object a_blob,
                            long a_length)
                     throws DatastoreException

Set the length of the specified LOB.

Supported API: false

Specified by:

setLobLength in class ChunkLobHandler

Parameters:

a_connection -

a_blob -

a_length -

Throws:

DatastoreException

getLobLength

protected long getLobLength(WTConnection a_connection,
                            Object a_blob)
                     throws DatastoreException

Returns the length of the specified LOB.

Supported API: false

Specified by:

getLobLength in class ChunkLobHandler

Parameters:

a_connection -

a_blob -

Returns:

long

Throws:

DatastoreException

write

protected void write(WTConnection a_connection,
                     Object a_blob,
                     long a_blobOffset,
                     InputStream a_inputStream,
                     long a_length)
              throws WTIOException

Writes the data to the specified LOB.

Supported API: false

Specified by:

write in class ChunkLobHandler

Parameters:

a_connection - Connection to the database.

a_blob - Blob object reference to the data

a_blobOffset - Offset into the Blob data to begin writing

a_inputStream - Offset into the buffer data to begin writing from

a_length - Number of bytes to write

Throws:

WTIOException