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java.lang.Object com.metamatrix.jdbc.MMClob
public class MMClob
This object holds a chunk of char data and implements the JDBC Clob interface. This object presents a streaming interface and provides a way to access partial of the Clob data. Connectors can use this object when dealing with large objects.
Constructor Summary | |
---|---|
MMClob(StreamingLobChunckProducer.Factory lobChunkFactory,
ClobType clob)
|
Method Summary | |
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void |
free()
|
java.io.InputStream |
getAsciiStream()
Gets the CLOB value designated by this Clob
object as a stream of Ascii bytes. |
java.io.Reader |
getCharacterStream()
Gets the CLOB value designated by this Clob
object as a Unicode stream. |
java.io.Reader |
getCharacterStream(long arg0,
long arg1)
|
java.lang.String |
getSubString(long pos,
int length)
Returns a copy of the specified substring in the CLOB value
designated by this Clob object. |
long |
length()
Returns the number of characters in the CLOB value
designated by this Clob object. |
static java.sql.Clob |
newInstance(StreamingLobChunckProducer.Factory lobChunckFactory,
ClobType clob)
|
long |
position(java.sql.Clob searchstr,
long start)
Determines the character position at which the specified Clob object searchstr appears in this
Clob object. |
long |
position(java.lang.String searchstr,
long start)
Determines the character position at which the specified substring searchstr appears in the SQL CLOB value
represented by this Clob object. |
java.io.OutputStream |
setAsciiStream(long arg0)
|
java.io.Writer |
setCharacterStream(long arg0)
|
int |
setString(long arg0,
java.lang.String arg1)
|
int |
setString(long arg0,
java.lang.String arg1,
int arg2,
int arg3)
|
void |
truncate(long arg0)
|
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public MMClob(StreamingLobChunckProducer.Factory lobChunkFactory, ClobType clob) throws java.sql.SQLException
java.sql.SQLException
Method Detail |
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public static java.sql.Clob newInstance(StreamingLobChunckProducer.Factory lobChunckFactory, ClobType clob) throws java.sql.SQLException
java.sql.SQLException
public java.io.InputStream getAsciiStream() throws java.sql.SQLException
CLOB
value designated by this Clob
object as a stream of Ascii bytes.
getAsciiStream
in interface java.sql.Clob
CLOB
data
java.sql.SQLException
- if there is an error accessing the
CLOB
valuepublic java.io.Reader getCharacterStream() throws java.sql.SQLException
CLOB
value designated by this Clob
object as a Unicode stream.
getCharacterStream
in interface java.sql.Clob
CLOB
data
java.sql.SQLException
- if there is an error accessing the
CLOB
valuepublic java.lang.String getSubString(long pos, int length) throws java.sql.SQLException
CLOB
value
designated by this Clob
object.
The substring begins at position
pos
and has up to length
consecutive
characters.
getSubString
in interface java.sql.Clob
pos
- the first character of the substring to be extracted.
The first character is at position 1.length
- the number of consecutive characters to be copied
String
that is the specified substring in
the CLOB
value designated by this Clob
object
java.sql.SQLException
- if there is an error accessing the CLOB
public long length() throws java.sql.SQLException
CLOB
value
designated by this Clob
object.
length
in interface java.sql.Clob
CLOB
in characters
java.sql.SQLException
public long position(java.sql.Clob searchstr, long start) throws java.sql.SQLException
Clob
object searchstr
appears in this
Clob
object. The search begins at position
start
.
position
in interface java.sql.Clob
searchstr
- the Clob
object for which to searchstart
- the position at which to begin searching; the first
position is 1
Clob
object appears,
else -1; the first position is 1
java.sql.SQLException
public long position(java.lang.String searchstr, long start) throws java.sql.SQLException
searchstr
appears in the SQL CLOB
value
represented by this Clob
object. The search
begins at position start
.
position
in interface java.sql.Clob
searchstr
- the substring for which to searchstart
- the position at which to begin searching; the first position
is 1
java.sql.SQLException
- if there is an error accessing the
CLOB
valuepublic void free() throws java.sql.SQLException
free
in interface java.sql.Clob
java.sql.SQLException
public java.io.Reader getCharacterStream(long arg0, long arg1) throws java.sql.SQLException
getCharacterStream
in interface java.sql.Clob
java.sql.SQLException
public java.io.OutputStream setAsciiStream(long arg0) throws java.sql.SQLException
setAsciiStream
in interface java.sql.Clob
java.sql.SQLException
public java.io.Writer setCharacterStream(long arg0) throws java.sql.SQLException
setCharacterStream
in interface java.sql.Clob
java.sql.SQLException
public int setString(long arg0, java.lang.String arg1) throws java.sql.SQLException
setString
in interface java.sql.Clob
java.sql.SQLException
public int setString(long arg0, java.lang.String arg1, int arg2, int arg3) throws java.sql.SQLException
setString
in interface java.sql.Clob
java.sql.SQLException
public void truncate(long arg0) throws java.sql.SQLException
truncate
in interface java.sql.Clob
java.sql.SQLException
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