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java.lang.Objectnet.sourceforge.jtds.jdbc.RequestStream
Class to implement an output stream for the server request.
Implementation note:
| Field Summary | |
private byte[] |
buffer
The output packet buffer. |
private int |
bufferPtr
The offset of the next byte to write. |
private int |
bufferSize
The current output buffer size |
private boolean |
isClosed
True if stream is closed. |
private int |
maxPrecision
The maximum decimal precision. |
private byte |
pktType
The request packet type. |
private SharedSocket |
socket
The shared network socket. |
private int |
streamId
The unique stream id. |
| Constructor Summary | |
(package private) |
RequestStream(SharedSocket socket,
int streamId,
int bufferSize,
int maxPrecision)
Construct a RequestStream object. |
| Method Summary | |
(package private) void |
close()
Close the output stream. |
(package private) void |
flush()
Flush the packet to the output stream setting the last packet flag. |
(package private) int |
getBufferSize()
Retrieve the current output packet size. |
(package private) byte |
getMaxDecimalBytes()
Returns the maximum number of bytes required to output a decimal given the current maxPrecision. |
(package private) int |
getMaxPrecision()
Retrive the maximum decimal precision. |
(package private) int |
getServerType()
Retrieve the Server type. |
(package private) int |
getStreamId()
Retrieve the unique stream id. |
(package private) int |
getTdsVersion()
Retrieve the TDS version number. |
private void |
putPacket(int last)
Write the TDS packet to the network. |
(package private) void |
setBufferSize(int size)
Set the output buffer size |
(package private) void |
setPacketType(byte pktType)
Set the current output packet type. |
(package private) void |
write(java.math.BigDecimal value)
Write a BigDecimal value to the output stream. |
(package private) void |
write(byte b)
Write a byte to the output stream. |
(package private) void |
write(byte[] b)
Write an array of bytes to the output stream. |
(package private) void |
write(byte[] b,
int off,
int len)
Write a partial byte buffer to the output stream. |
(package private) void |
write(char[] s,
int off,
int len)
Write a char array object to the output stream. |
(package private) void |
write(double f)
Write a double value to the output stream. |
(package private) void |
write(float f)
Write a float value to the output stream. |
(package private) void |
write(int i)
Write an int value to the output stream. |
(package private) void |
write(long l)
Write a long value to the output stream. |
(package private) void |
write(short s)
Write a short value to the output stream. |
(package private) void |
write(java.lang.String s)
Write a String object to the output stream. |
(package private) void |
writeAscii(java.lang.String s)
Write a String to the output stream as translated bytes. |
(package private) void |
writeReaderBytes(java.io.Reader in,
int length)
Copy the contents of a Reader stream to the server as bytes. |
(package private) void |
writeReaderChars(java.io.Reader in,
int length)
Copy the contents of a Reader stream to the server. |
(package private) void |
writeStreamBytes(java.io.InputStream in,
int length)
Copy the contents of an InputStream to the server. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
private final SharedSocket socket
private byte[] buffer
private int bufferPtr
private byte pktType
private final int streamId
private boolean isClosed
private int bufferSize
private int maxPrecision
| Constructor Detail |
RequestStream(SharedSocket socket,
int streamId,
int bufferSize,
int maxPrecision)
socket - the shared socket object to write tostreamId - the unique id for this streambufferSize - the initial buffer size to use (the current network
packet size)maxPrecision - the maximum precision for numeric/decimal types| Method Detail |
void setBufferSize(int size)
size - The new buffer size (>= TdsCore.MIN_PKT_SIZE <= TdsCore.MAX_PKT_SIZE).int getBufferSize()
int.int getMaxPrecision()
int.byte getMaxDecimalBytes()
maxPrecision.
int getStreamId()
int.void setPacketType(byte pktType)
pktType - The packet type eg TdsCore.QUERY_PKT.
void write(byte b)
throws java.io.IOException
b - The byte value to write.
java.io.IOException
void write(byte[] b)
throws java.io.IOException
b - The byte array to write.
java.io.IOException
void write(byte[] b,
int off,
int len)
throws java.io.IOException
b - The byte array buffer.off - The offset into the byte array.len - The number of bytes to write.
java.io.IOException
void write(int i)
throws java.io.IOException
i - The int value to write.
java.io.IOException
void write(short s)
throws java.io.IOException
s - The short value to write.
java.io.IOException
void write(long l)
throws java.io.IOException
l - The long value to write.
java.io.IOException
void write(double f)
throws java.io.IOException
f - The double value to write.
java.io.IOException
void write(float f)
throws java.io.IOException
f - The float value to write.
java.io.IOException
void write(java.lang.String s)
throws java.io.IOException
s - The String to write.
java.io.IOException
void write(char[] s,
int off,
int len)
throws java.io.IOException
s - The char[] to write.
java.io.IOException
void writeAscii(java.lang.String s)
throws java.io.IOException
s - The String to write.
java.io.IOException
void writeStreamBytes(java.io.InputStream in,
int length)
throws java.io.IOException
in - The InputStream to read.length - The length of the stream.
java.io.IOException
void writeReaderChars(java.io.Reader in,
int length)
throws java.io.IOException
in - The Reader object with the data.length - The length of the data in characters.
java.io.IOException
void writeReaderBytes(java.io.Reader in,
int length)
throws java.io.IOException
NB. Only reliable where the charset is single byte.
in - The Reader object with the data.length - The length of the data in bytes.
java.io.IOException
void write(java.math.BigDecimal value)
throws java.io.IOException
value - The BigDecimal value to write.
java.io.IOException
void flush()
throws java.io.IOException
java.io.IOExceptionvoid close()
int getTdsVersion()
int.int getServerType()
int.
private void putPacket(int last)
throws java.io.IOException
last - Set to 1 if this is the last packet else 0.
java.io.IOException
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