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java.lang.Objectcom.ibm.as400.access.AS400JDBCClob
The AS400JDBCClob class provides access to character large objects. The data is valid only within the current transaction.
Method Summary | |
---|---|
InputStream |
getAsciiStream()
Returns the entire CLOB as a stream of ASCII characters. |
Reader |
getCharacterStream()
Returns the entire CLOB as a character stream. |
String |
getSubString(long position,
int length)
Returns part of the contents of the CLOB. |
long |
length()
Returns the length of the CLOB. |
long |
position(Clob pattern,
long position)
Returns the position at which a pattern is found in the CLOB. |
long |
position(String pattern,
long position)
Returns the position at which a pattern is found in the CLOB. |
OutputStream |
setAsciiStream(long position)
Returns a stream that an application can use to write Ascii characters to this CLOB. |
Writer |
setCharacterStream(long position)
Returns a stream that an application can use to write a stream of Unicode characters to this CLOB. |
int |
setString(long position,
String stringToWrite)
Writes a String to this CLOB, starting at position position. |
int |
setString(long position,
String string,
int offset,
int lengthOfWrite)
Writes a String to this CLOB, starting at position position in the CLOB. |
void |
truncate(long lengthOfCLOB)
Truncates this CLOB to a length of lengthOfCLOB characters. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
public InputStream getAsciiStream() throws SQLException
getAsciiStream
in interface Clob
SQLException
- If an error occurs.public Reader getCharacterStream() throws SQLException
getCharacterStream
in interface Clob
SQLException
- If an error occurs.public String getSubString(long position, int length) throws SQLException
getSubString
in interface Clob
position
- The start position within the CLOB (1-based).length
- The length to return.
SQLException
- If the start position is not valid,
if the length is not valid,
or an error occurs.public long length() throws SQLException
length
in interface Clob
SQLException
- If an error occurs.public long position(String pattern, long position) throws SQLException
position
in interface Clob
pattern
- The pattern.position
- The position within the CLOB to begin
searching (1-based).
SQLException
- If the pattern is null,
the position is not valid,
or an error occurs.public long position(Clob pattern, long position) throws SQLException
position
in interface Clob
pattern
- The pattern.position
- The position within the CLOB to begin
searching (1-based).
SQLException
- If the pattern is null,
the position is not valid,
or an error occurs.public OutputStream setAsciiStream(long position) throws SQLException
setAsciiStream
in interface Clob
position
- The position (1-based) in the CLOB where writes should start.
SQLException
- If there is an error accessing the CLOB or if the position
specified is greater than the length of the CLOB.public Writer setCharacterStream(long position) throws SQLException
setCharacterStream
in interface Clob
position
- The position (1-based) in the CLOB where writes should start.
SQLException
- If there is an error accessing the CLOB or if the position
specified is greater than the length of the CLOB.public int setString(long position, String stringToWrite) throws SQLException
setString
in interface Clob
position
- The position (1-based) in the CLOB where writes should start.stringToWrite
- The string that will be written to the CLOB.
SQLException
- If there is an error accessing the CLOB or if the position
specified is greater than the length of the CLOB.public int setString(long position, String string, int offset, int lengthOfWrite) throws SQLException
setString
in interface Clob
position
- The position (1-based) in the CLOB where writes should start.string
- The string that will be written to the CLOB.offset
- The offset into string to start reading characters (0-based).lengthOfWrite
- The number of characters to write.
SQLException
- If there is an error accessing the CLOB value or if the position
specified is greater than the length of the CLOB.public void truncate(long lengthOfCLOB) throws SQLException
truncate
in interface Clob
lengthOfCLOB
- The length, in characters, that this CLOB should be after
truncation.
SQLException
- If there is an error accessing the CLOB or if the length
specified is greater than the length of the CLOB.
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