final void begin() {
    if (LogFileCompressionStrategy.existsFor(this.properties)) {
      final Thread thread = new Thread(this, "Log4J File Compressor");
      thread.setDaemon(true);
      thread.start();
      this.threadRef = thread;
    }
  }
final void begin ( ) { if ( LogFileCompressionStrategy . existsFor ( this . properties ) ) { final Thread thread = new Thread ( this , "Log4J File Compressor" ) ; thread . setDaemon ( true ) ; thread . start ( ) ; this . threadRef = thread ; } }
Starts the compressor.