log4j: asynchronous log

  
/*
Logging In Java with the JDK 1.4 Logging API and Apache log4j
by Samudra Gupta    
Apress Copyright 2003 
ISBN:1590590996

*/


import org.apache.log4j.AsyncAppender;
import org.apache.log4j.ConsoleAppender;
import org.apache.log4j.Logger;

public class AsyncLogging {

  private static Logger logger = Logger.getLogger("name");

  private AsyncAppender asyncAppender = null;

  private ConsoleAppender consoleAppender = null;

  /** Creates a new instance of AsyncLogging */
  public AsyncLogging() {
    try {
      logger.setAdditivity(false);
      asyncAppender = (AsyncAppender) logger.getRootLogger().getAppender(
          "ASYNC");
      asyncAppender.setBufferSize(4);
    } catch (Exception e) {
      System.out.println("error: " + e.toString());
    }

  }

  /**
   * This method simply logs the messages
   */
  public void doLogging() {
    logger.debug("Hello 1");
    logger.debug("Hello 2");
    logger.debug("Hello 3");
    //logger.debug("Hello 4");
    //logger.debug("Hello 5");
  }

  /**
   * the main method
   */
  public static void main(String args[]) {
    AsyncLogging demo = new AsyncLogging();
    demo.doLogging();
  }
}

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log4j: asynchronous log : Log4j « Language Basics « Java

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