Package com.ocient.jdbc

Class XGClob

java.lang.Object

com.ocient.jdbc.XGClob

All Implemented Interfaces:

Clob, NClob

public class XGClob
extends Object
implements Clob, NClob

An in-memory implementation of java.sql.Clob and java.sql.NClob. This class can be either read-only (for data from an XGResultSet) or writeable (for data created via XGConnection.createClob()). It holds the data in a StringBuilder.

Constructor Summary

Constructors

Constructor	Description
XGClob()	Creates a new, writeable, empty XGClob.
XGClob(String data)	Creates a new, read-only XGClob wrapping the given string data.

Method Summary

Modifier and Type	Method	Description
void	free()
InputStream	getAsciiStream()
Reader	getCharacterStream()
Reader	getCharacterStream(long pos, long length)
String	getSubString(long pos, int length)
long	length()
long	position(String searchstr, long start)
long	position(Clob searchstr, long start)
OutputStream	setAsciiStream(long pos)
Writer	setCharacterStream(long pos)
int	setString(long pos, String str)
int	setString(long pos, String str, 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

XGClob

public XGClob()

Creates a new, writeable, empty XGClob. Used by Connection.createClob() and createNClob().

XGClob

public XGClob(String data)

Creates a new, read-only XGClob wrapping the given string data. Used by XGResultSet.getClob().

Parameters:

data - The string data to wrap.

Method Details

length

public long length()
            throws SQLException

Specified by:

length in interface Clob

Throws:

SQLException

getSubString

public String getSubString(long pos,
 int length)
                    throws SQLException

Specified by:

getSubString in interface Clob

Throws:

SQLException

getCharacterStream

public Reader getCharacterStream()
                          throws SQLException

Specified by:

getCharacterStream in interface Clob

Throws:

SQLException

getAsciiStream

public InputStream getAsciiStream()
                           throws SQLException

Specified by:

getAsciiStream in interface Clob

Throws:

SQLException

position

public long position(String searchstr,
 long start)
              throws SQLException

Specified by:

position in interface Clob

Throws:

SQLException

position

public long position(Clob searchstr,
 long start)
              throws SQLException

Specified by:

position in interface Clob

Throws:

SQLException

getCharacterStream

public Reader getCharacterStream(long pos,
 long length)
                          throws SQLException

Specified by:

getCharacterStream in interface Clob

Throws:

SQLException

free

public void free()
          throws SQLException

Specified by:

free in interface Clob

Throws:

SQLException

setString

public int setString(long pos,
 String str)
              throws SQLException

Specified by:

setString in interface Clob

Throws:

SQLException

setString

public int setString(long pos,
 String str,
 int offset,
 int len)
              throws SQLException

Specified by:

setString in interface Clob

Throws:

SQLException

setAsciiStream

public OutputStream setAsciiStream(long pos)
                            throws SQLException

Specified by:

setAsciiStream in interface Clob

Throws:

SQLException

setCharacterStream

public Writer setCharacterStream(long pos)
                          throws SQLException

Specified by:

setCharacterStream in interface Clob

Throws:

SQLException

truncate

public void truncate(long len)
              throws SQLException

Specified by:

truncate in interface Clob

Throws:

SQLException