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java.lang.Objectjava.io.OutputStream
org.apache.derby.client.am.ClobLocatorOutputStream
public class ClobLocatorOutputStream
An OutputStream
that will use an locator to write
bytes to the Clob value on the server.
Closing a ByteArrayInputStream
has no effect. The methods in
this class can be called after the stream has been closed without
generating an IOException
.
This OutputStream
implementation is pretty basic. No
buffering of data is done. Hence, for efficieny #write(byte[])
should be used instead of #write(int).
Field Summary | |
---|---|
private Clob |
clob
The Clob to be accessed. |
private Connection |
connection
Connection used to read Clob from server. |
private long |
currentPos
Current position in the underlying Clob. |
Constructor Summary | |
---|---|
ClobLocatorOutputStream(Connection connection,
Clob clob,
long pos)
Create an OutputStream for writing to the
Clob value represented by the given locator based
Clob object. |
Method Summary | |
---|---|
void |
flush()
|
void |
write(byte[] b)
|
void |
write(byte[] b,
int off,
int len)
|
void |
write(int b)
|
private void |
writeBytes(byte[] b)
Write the byte[] to the Clob value on
the server; starting from the current position of this stream. |
Methods inherited from class java.io.OutputStream |
---|
close |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
private final Connection connection
private final Clob clob
private long currentPos
Constructor Detail |
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public ClobLocatorOutputStream(Connection connection, Clob clob, long pos) throws SqlException
OutputStream
for writing to the
Clob
value represented by the given locator based
Clob
object.
connection
- connection to be used to write to the
Clob
value on the serverclob
- Clob
object that contains locator for
the Clob
value on the server.pos
- the position in the CLOB
value at which
to start writing; the first position is 1
SqlException
Method Detail |
---|
public void write(int b) throws java.io.IOException
write
in class java.io.OutputStream
java.io.IOException
This method writes one byte at a time to the server. For more
efficient writing, use #write(byte[]).
public void write(byte[] b) throws java.io.IOException
write
in class java.io.OutputStream
java.io.IOException
OutputStream.write(byte[])
public void write(byte[] b, int off, int len) throws java.io.IOException
write
in class java.io.OutputStream
java.io.IOException
OutputStream.write(byte[], int, int)
public void flush()
flush
in interface java.io.Flushable
flush
in class java.io.OutputStream
OutputStream.flush()
private void writeBytes(byte[] b) throws java.io.IOException
byte[]
to the Clob
value on
the server; starting from the current position of this stream.
b
- The byte array containing the bytes to be written
java.io.IOException
- Wrapped SqlException if writing
to server fails.
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Built on Thu 2010-12-23 20:49:13+0000, from revision ??? | ||||||||
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