Java Doc for AbstractJDBCTarget.java in  » Development » LogKit » org » apache » log » output » db » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Development » LogKit » org.apache.log.output.db 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.log.output.AbstractTarget
      org.apache.log.output.db.AbstractJDBCTarget

All known Subclasses:   org.apache.log.output.db.DefaultJDBCTarget,
AbstractJDBCTarget
abstract public class AbstractJDBCTarget extends AbstractTarget (Code)
Abstract JDBC target.
author:
   Avalon Development Team
author:
   Peter Donald



Constructor Summary
protected  AbstractJDBCTarget(DataSource dataSource)
     Creation of a new instance of the AbstractJDBCTarget.

Method Summary
final protected synchronized  voidcheckConnection()
     Utility method to check connection and bring it back up if necessary.
public synchronized  voidclose()
     Shutdown target.
protected synchronized  voidcloseConnection()
     Close connection to underlying database.
protected synchronized  voiddoProcessEvent(LogEvent event)
     Process a log event, via formatting and outputting it.
final protected synchronized  ConnectiongetConnection()
     Utility method for subclasses to access connection.
protected synchronized  booleanisStale()
     Detect if connection is stale and should be reopened.
protected synchronized  voidopen()
     Startup log session.
protected synchronized  voidopenConnection()
     Open connection to underlying database.
abstract protected  voidoutput(LogEvent event)
     Output a log event to DB.


Constructor Detail
AbstractJDBCTarget
protected AbstractJDBCTarget(DataSource dataSource)(Code)
Creation of a new instance of the AbstractJDBCTarget.
Parameters:
  dataSource - the JDBC datasource




Method Detail
checkConnection
final protected synchronized void checkConnection()(Code)
Utility method to check connection and bring it back up if necessary.



close
public synchronized void close()(Code)
Shutdown target. Attempting to write to target after close() will cause errors to be logged.



closeConnection
protected synchronized void closeConnection()(Code)
Close connection to underlying database.



doProcessEvent
protected synchronized void doProcessEvent(LogEvent event) throws Exception(Code)
Process a log event, via formatting and outputting it.
Parameters:
  event - the log event
exception:
  Exception - if an event processing error occurs



getConnection
final protected synchronized Connection getConnection()(Code)
Utility method for subclasses to access connection. the Connection



isStale
protected synchronized boolean isStale()(Code)
Detect if connection is stale and should be reopened. true if connection is stale, false otherwise



open
protected synchronized void open()(Code)
Startup log session.



openConnection
protected synchronized void openConnection()(Code)
Open connection to underlying database.



output
abstract protected void output(LogEvent event)(Code)
Output a log event to DB. This must be implemented by subclasses.
Parameters:
  event - the log event.



Methods inherited from org.apache.log.output.AbstractTarget
public synchronized void close()(Code)(Java Doc)
abstract protected void doProcessEvent(LogEvent event) throws Exception(Code)(Java Doc)
final protected void error(String message, Throwable throwable)(Code)(Java Doc)
final protected ErrorHandler getErrorHandler()(Code)(Java Doc)
protected synchronized boolean isOpen()(Code)(Java Doc)
protected synchronized void open()(Code)(Java Doc)
public synchronized void processEvent(LogEvent event)(Code)(Java Doc)
public synchronized void setErrorHandler(ErrorHandler errorHandler)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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