oracle.jdbc.driver.oraclelog.html

Oracle JDBC 的javaDoc

</pre>
<a name="FIELD_SUBMOD"><img src="images/blue-ball.gif" width=12 height=12 alt=" o "></a>
<b>FIELD_SUBMOD</b>
<pre>
 public static final int FIELD_SUBMOD
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<a name="FIELD_CATEGORY"><img src="images/blue-ball.gif" width=12 height=12 alt=" o "></a>
<b>FIELD_CATEGORY</b>
<pre>
 public static final int FIELD_CATEGORY
</pre>
<a name="FIELD_CONN"><img src="images/blue-ball.gif" width=12 height=12 alt=" o "></a>
<b>FIELD_CONN</b>
<pre>
 public static final int FIELD_CONN
</pre>
<a name="FIELD_THREAD"><img src="images/blue-ball.gif" width=12 height=12 alt=" o "></a>
<b>FIELD_THREAD</b>
<pre>
 public static final int FIELD_THREAD
</pre>
<a name="FIELD_DEFAULT"><img src="images/blue-ball.gif" width=12 height=12 alt=" o "></a>
<b>FIELD_DEFAULT</b>
<pre>
 public static final int FIELD_DEFAULT
</pre>
<a name="TRACE"><img src="images/blue-ball.gif" width=12 height=12 alt=" o "></a>
<b>TRACE</b>
<pre>
 public static boolean TRACE
</pre>
<a name="constructors"></a>
<h2>
  <img src="images/constructors.gif" width=231 height=38 alt="Constructors">
</h2>
<a name="OracleLog"></a>
<a name="OracleLog()"><img src="images/yellow-ball.gif" width=12 height=12 alt=" o "></a>
<b>OracleLog</b>
<pre>
 public OracleLog()
</pre>
<a name="methods"></a>
<h2>
  <img src="images/methods.gif" width=151 height=38 alt="Methods">
</h2>
<a name="isEnabled()"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="isEnabled"><b>isEnabled</b></a>
<pre>
 public static boolean isEnabled()
</pre>
<dl>
  <dd> Check if logging is enabled.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> true if logging is enabled, or false if not.
  </dl></dd>
</dl>
<a name="setLogWriter(java.io.PrintWriter)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="setLogWriter"><b>setLogWriter</b></a>
<pre>
 public static void setLogWriter(PrintWriter out)
</pre>
<dl>
  <dd> Set the logging PrintWriter.
<p>
This method is also used to enable and disable logging.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> out
PrintWriter - object (use null to disable logging).
  </dl></dd>
</dl>
<a name="getLogWriter()"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getLogWriter"><b>getLogWriter</b></a>
<pre>
 public static PrintWriter getLogWriter()
</pre>
<dl>
  <dd> Get the logging PrintWriter.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> the logging PrintWriter, or null if logging is disabled.
  </dl></dd>
</dl>
<a name="setLogStream(java.io.PrintStream)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="setLogStream"><b>setLogStream</b></a>
<pre>
 public static void setLogStream(PrintStream out)
</pre>
<dl>
  <dd> Set the logging PrintStream.  This method is also used to enable
and disable logging.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> out
PrintStream - (use null to disable logging).
  </dl></dd>
</dl>
<a name="getLogStream()"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getLogStream"><b>getLogStream</b></a>
<pre>
 public static PrintStream getLogStream()
</pre>
<dl>
  <dd> Get the logging PrintStream.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> the logging PrintStream, or null if logging is disabled.
  </dl></dd>
</dl>
<a name="config(int, int, int)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="config"><b>config</b></a>
<pre>
 public static void config(int printMask,
                           int moduleMask,
                           int categoryMask)
</pre>
<dl>
  <dd> Configure tracing with the specified filtering masks.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> printMask
32-bit - mask specifying attributes to be logged.
(See defined constants for the available attributes.)
    <dd> moduleMask
32-bit - mask specifying the modules to be enabled.
(See defined constants for the available modules.)
    <dd> categoryMask
32-bit - mask specifying the categories to be enabled.
(See defined constants for the available categories.)
  </dl></dd>
</dl>
<a name="setSubmodMask(int, int)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="setSubmodMask"><b>setSubmodMask</b></a>
<pre>
 public static void setSubmodMask(int module,
                                  int submodMask)
</pre>
<dl>
  <dd> Configure the sub-module mask for a module.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> module
module - identifier.
    <dd> submodMask
32-bit - mask specifying the sub-modules to be enabled.
  </dl></dd>
</dl>
<a name="setMaxPrintBytes(int)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="setMaxPrintBytes"><b>setMaxPrintBytes</b></a>
<pre>
 public static void setMaxPrintBytes(int maxbytes)
</pre>
<dl>
  <dd> Configure the maximum number of bytes to be printed in each message.
<p>
This setting only limits the size of the printed byte arrays.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> maxbytes
maximum - number of bytes to be printed.
  </dl></dd>
</dl>
<a name="print(oracle.jdbc.driver.OracleConnection, int, int, int, java.lang.String)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="print"><b>print</b></a>
<pre>
 public static void print(<a href="oracle.jdbc.driver.OracleConnection.html#_top_">OracleConnection</a> conn,
                          int module,
                          int submodule,
                          int category,
                          String message)
</pre>
<dl>
  <dd> Print a message to the JDBC log stream.
<p>
This method contains the actual implementation of print().  Other
versions (with different signatures) invoke this method to log
messages.
<p>
It is important to note that an "if (OracleLog.TRACE)" clause must
be used to avoid unnecessary computation on the arguments on this
method when tracing is disabled.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> conn
Jdbc - connection.
    <dd> module
module - identifier.
    <dd> submodule
sub-module - identifier.
    <dd> category
message - category.
    <dd> message
message - string.
  </dl></dd>
</dl>
<a name="print(oracle.jdbc.driver.OracleConnection, int, int, java.lang.String)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="print"><b>print</b></a>
<pre>
 public static void print(<a href="oracle.jdbc.driver.OracleConnection.html#_top_">OracleConnection</a> conn,
                          int module,
                          int category,
                          String message)
</pre>
<a name="print(int, int, int, java.lang.String)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="print"><b>print</b></a>
<pre>
 public static void print(int module,
                          int submodule,
                          int category,
                          String message)
</pre>
<a name="print(int, int, java.lang.String)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="print"><b>print</b></a>
<pre>
 public static void print(int module,
                          int category,
                          String message)
</pre>
<a name="info()"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="info"><b>info</b></a>
<pre>
 public static String info()
</pre>
<dl>
  <dd> Obtain information about the current settings.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> information about the current setting of OracleLog
  </dl></dd>
</dl>
<a name="getModuleName(int)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getModuleName"><b>getModuleName</b></a>
<pre>
 public static String getModuleName(int module)
</pre>
<dl>
  <dd> Obtain the name of a module.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> module
module - identifier.
    <dt> <b>Returns:</b>
    <dd> the name of the specified module
  </dl></dd>
</dl>
<a name="getCategoryName(int)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getCategoryName"><b>getCategoryName</b></a>
<pre>
 public static String getCategoryName(int category)
</pre>
<dl>
  <dd> Obtain the name of a category.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> category
category - identifier.
    <dt> <b>Returns:</b>
    <dd> the name of the specified category
  </dl></dd>
</dl>
<a name="getBitNumFromVector(int)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getBitNumFromVector"><b>getBitNumFromVector</b></a>
<pre>
 public static int getBitNumFromVector(int bitVector)
</pre>
<dl>
  <dd> Obtain bit number from a bit vector
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> bitVector
input - bit vector.
    <dt> <b>Returns:</b>
    <dd> the number of the first bit set in the input vector.
  </dl></dd>
</dl>
<a name="bytesToPrintableForm(java.lang.String, byte[])"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="bytesToPrintableForm"><b>bytesToPrintableForm</b></a>
<pre>
 public static String bytesToPrintableForm(String header,
                                           byte bytes[])
</pre>
<dl>
  <dd> Present byte array into printable form.
<p>
Bytes are formatted in hexadecimal.  The output is limited to the
maximum number of bytes set by setMaxPrintBytes().
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> header
heading - of the returned string.
    <dd> bytes
input - byte array.
    <dt> <b>Returns:</b>
    <dd> the printable string.
  </dl></dd>
</dl>
<a name="bytesToPrintableForm(java.lang.String, byte[], int)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="bytesToPrintableForm"><b>bytesToPrintableForm</b></a>
<pre>
 public static String bytesToPrintableForm(String header,
                                           byte bytes[],
                                           int nbytes)
</pre>
<dl>
  <dd> Present byte array into printable form.
<p>
Bytes are formatted in hexadecimal.  The output is limited to the
maximum number of bytes set by setMaxPrintBytes().
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> header
heading - of the returned string.
    <dd> bytes
input - byte array.
    <dd> nbytes
number - of valid bytes in the input array.
    <dt> <b>Returns:</b>
    <dd> the printable string.
  </dl></dd>
</dl>
<a name="bytesToFormattedStr(byte[], int, java.lang.String)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="bytesToFormattedStr"><b>bytesToFormattedStr</b></a>
<pre>
 public static String bytesToFormattedStr(byte bytes[],
                                          int nbytes,
                                          String margin)
</pre>
<dl>
  <dd> Format bytes into a string of printable form.
<p>
Bytes are formatted in hexadecimal.  The output is limited to the
maximum number of bytes set by setMaxPrintBytes().
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> bytes
input - byte array.
    <dd> nbytes
number - of valid bytes in the input array.
    <dd> margin
left - margin of the printable block.  Use null if no
margin is needed.
    <dt> <b>Returns:</b>
    <dd> the formatted string.
  </dl></dd>
</dl>
<a name="strToUcs2Bytes(java.lang.String)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="strToUcs2Bytes"><b>strToUcs2Bytes</b></a>
<pre>
 public static byte[] strToUcs2Bytes(String str)
</pre>
<dl>
  <dd> Convert a string into UCS-2 bytes (2 bytes per character).
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> str
input - string.
    <dt> <b>Returns:</b>
    <dd> the output byte array, or null if the input string
is null.
  </dl></dd>
</dl>
<a name="charsToUcs2Bytes(char[])"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="charsToUcs2Bytes"><b>charsToUcs2Bytes</b></a>
<pre>
 public static byte[] charsToUcs2Bytes(char chars[])
</pre>
<dl>
  <dd> Convert a character array into UCS-2 bytes (2 bytes per character).
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> chars
input - character array.
    <dt> <b>Returns:</b>
    <dd> the output byte array, or null if the input character
array is null.
  </dl></dd>
</dl>
<a name="charsToUcs2Bytes(char[], int)"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="charsToUcs2Bytes"><b>charsToUcs2Bytes</b></a>
<pre>
 public static byte[] charsToUcs2Bytes(char chars[],
                                       int nchars)
</pre>
<dl>
  <dd> Convert a character array into UCS-2 bytes (2 bytes per character).
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> chars
input - character array.
    <dd> nchars
number - of valid characters in the input character
array.
    <dt> <b>Returns:</b>
    <dd> the ouput byte array.
  </dl></dd>
</dl>
<a name="test()"><img src="images/green-ball.gif" width=12 height=12 alt=" o "></a>
<a name="test"><b>test</b></a>
<pre>
 public static void test()
</pre>
<hr>
<pre>
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