jdbcappender.html

turbine教程

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<TD><B>Methods inherited from class org.apache.log4j.AppenderSkeleton</B></TD>
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<TD><CODE>addFilter, clearFilters, doAppend, getErrorHandler, getFilter, getFirstFilter, getLayout, getName, getThreshold, isAsSevereAsThreshold, setErrorHandler, setLayout, setName, setThreshold</CODE></TD>
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<TD><B>Methods inherited from class java.lang.Object</B></TD>
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<TD><CODE>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<!-- ============ FIELD DETAIL =========== -->

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<B>Field Detail</B></FONT></TD>
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<A NAME="LOGGER_CLASS_OPTION"><!-- --></A><H3>
LOGGER_CLASS_OPTION</H3>
<PRE>
public static final java.lang.String <B>LOGGER_CLASS_OPTION</B></PRE>
<DL>
<DD>Logger class option.</DL>
<HR>

<A NAME="LOGGER_OPTION"><!-- --></A><H3>
LOGGER_OPTION</H3>
<PRE>
public static final java.lang.String <B>LOGGER_OPTION</B></PRE>
<DL>
<DD>An option to set for the logger, these are name:value pairs
 that are used to initialize a logger.</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="JDBCAppender()"><!-- --></A><H3>
JDBCAppender</H3>
<PRE>
public <B>JDBCAppender</B>()</PRE>
<DL>
</DL>

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<A NAME="finalize()"><!-- --></A><H3>
finalize</H3>
<PRE>
public void <B>finalize</B>()</PRE>
<DL>
<DD>If program terminates close the database-connection and
 flush the buffer.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>finalize</CODE> in class <CODE>org.apache.log4j.AppenderSkeleton</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getOptionStrings()"><!-- --></A><H3>
getOptionStrings</H3>
<PRE>
public java.lang.String[] <B>getOptionStrings</B>()</PRE>
<DL>
<DD>Internal method. Returns a array of strings containing the available
 options which can be set with method setOption()</DL>
<HR>

<A NAME="setOption(java.lang.String, java.lang.String)"><!-- --></A><H3>
setOption</H3>
<PRE>
public void <B>setOption</B>(java.lang.String&nbsp;option,
                      java.lang.String&nbsp;value)</PRE>
<DL>
<DD>Sets all necessary options<DD><DL>
<DT><B>Parameters:</B><DD><CODE>String</CODE> - option<DD><CODE>String</CODE> - value</DL>
</DD>
</DL>
<HR>

<A NAME="activateOptions()"><!-- --></A><H3>
activateOptions</H3>
<PRE>
public void <B>activateOptions</B>()</PRE>
<DL>
<DD>Active our logger to be used for appending messages
 to the database.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>activateOptions</CODE> in class <CODE>org.apache.log4j.AppenderSkeleton</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="requiresLayout()"><!-- --></A><H3>
requiresLayout</H3>
<PRE>
public boolean <B>requiresLayout</B>()</PRE>
<DL>
<DD>Internal method. Returns true, you may define
 your own layout...<DD><DL>
<DT><B>Overrides:</B><DD><CODE>requiresLayout</CODE> in class <CODE>org.apache.log4j.AppenderSkeleton</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>boolean</DL>
</DD>
</DL>
<HR>

<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>()</PRE>
<DL>
<DD>Internal method. Close the database connection & flush the buffer.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>close</CODE> in class <CODE>org.apache.log4j.AppenderSkeleton</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="append(org.apache.log4j.spi.LoggingEvent)"><!-- --></A><H3>
append</H3>
<PRE>
public void <B>append</B>(org.apache.log4j.spi.LoggingEvent&nbsp;event)</PRE>
<DL>
<DD>Internal method. Appends the message to the database table.<DD><DL>
<DT><B>Overrides:</B><DD><CODE>append</CODE> in class <CODE>org.apache.log4j.AppenderSkeleton</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>LoggingEvent</CODE> - event</DL>
</DD>
</DL>
<HR>

<A NAME="flushBuffer()"><!-- --></A><H3>
flushBuffer</H3>
<PRE>
public void <B>flushBuffer</B>()</PRE>
<DL>
<DD>Internal method. Flushes the buffer.</DL>
<HR>

<A NAME="isReady()"><!-- --></A><H3>
isReady</H3>
<PRE>
public boolean <B>isReady</B>()</PRE>
<DL>
<DD>Internal method. Returns true, when the JDBCAppender is ready to
 append messages to the database, else false.<DD><DL>
<DT><B>Returns:</B><DD>boolean</DL>
</DD>
</DL>
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