Package com.ocient.jdbc

Class XGBlob

java.lang.Object

com.ocient.jdbc.XGBlob

All Implemented Interfaces:

Blob

public class XGBlob
extends Object
implements Blob

An in-memory implementation of java.sql.Blob. This class can be either read-only (for data from an XGResultSet) or writeable (for data created via XGConnection.createBlob()).

Constructor Summary

Constructors

Constructor	Description
XGBlob()	Creates a new, writeable, empty XGBlob.
XGBlob(byte[] data)	Creates a new, read-only XGBlob wrapping the given byte array.

Method Summary

Modifier and Type	Method	Description
void	free()
InputStream	getBinaryStream()
InputStream	getBinaryStream(long pos, long length)
byte[]	getBytes(long pos, int length)
long	length()
long	position(byte[] pattern, long start)
long	position(Blob pattern, long start)
OutputStream	setBinaryStream(long pos)
int	setBytes(long pos, byte[] bytes)
int	setBytes(long pos, byte[] bytes, int offset, int len)
void	truncate(long len)

Methods inherited from class java.lang.Object

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

Constructor Details

XGBlob

public XGBlob()

Creates a new, writeable, empty XGBlob. Used by Connection.createBlob().

XGBlob

public XGBlob(byte[] data)

Creates a new, read-only XGBlob wrapping the given byte array. Used by XGResultSet.getBlob().

Parameters:

data - The byte data to wrap.

Method Details

length

public long length()
            throws SQLException

Specified by:

length in interface Blob

Throws:

SQLException

getBytes

public byte[] getBytes(long pos,
 int length)
                throws SQLException

Specified by:

getBytes in interface Blob

Throws:

SQLException

getBinaryStream

public InputStream getBinaryStream()
                            throws SQLException

Specified by:

getBinaryStream in interface Blob

Throws:

SQLException

position

public long position(byte[] pattern,
 long start)
              throws SQLException

Specified by:

position in interface Blob

Throws:

SQLException

position

public long position(Blob pattern,
 long start)
              throws SQLException

Specified by:

position in interface Blob

Throws:

SQLException

getBinaryStream

public InputStream getBinaryStream(long pos,
 long length)
                            throws SQLException

Specified by:

getBinaryStream in interface Blob

Throws:

SQLException

free

public void free()
          throws SQLException

Specified by:

free in interface Blob

Throws:

SQLException

setBytes

public int setBytes(long pos,
 byte[] bytes)
             throws SQLException

Specified by:

setBytes in interface Blob

Throws:

SQLException

setBytes

public int setBytes(long pos,
 byte[] bytes,
 int offset,
 int len)
             throws SQLException

Specified by:

setBytes in interface Blob

Throws:

SQLException

setBinaryStream

public OutputStream setBinaryStream(long pos)
                             throws SQLException

Specified by:

setBinaryStream in interface Blob

Throws:

SQLException

truncate

public void truncate(long len)
              throws SQLException

Specified by:

truncate in interface Blob

Throws:

SQLException