/**
 * Logback: the reliable, generic, fast and flexible logging framework.
 * Copyright (C) 1999-2012, QOS.ch. All rights reserved.
 *
 * This program and the accompanying materials are dual-licensed under
 * either the terms of the Eclipse Public License v1.0 as published by
 * the Eclipse Foundation
 *
 *   or (per the licensee's choosing)
 *
 * under the terms of the GNU Lesser General Public License version 2.1
 * as published by the Free Software Foundation.
 */
package ch.qos.logback.classic;

import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.AsyncAppenderBase;

/**
 * In order to optimize performance this appender deems events of level TRACE, DEBUG and INFO as discardable. See the
 * <a href="http://logback.qos.ch/manual/appenders.html#AsyncAppender">chapter on appenders</a> in the manual for
 * further information.
 *
 *
 * @author Ceki G&uuml;lc&uuml;
 * @since 1.0.4
 */
public class AsyncAppender extends AsyncAppenderBase<ILoggingEvent> {


  boolean includeCallerData = false;


  /**
   * Events of level TRACE, DEBUG and INFO are deemed to be discardable.
   * @param event
   * @return true if the event is of level TRACE, DEBUG or INFO false otherwise.
   */
  protected boolean isDiscardable(ILoggingEvent event) {
    Level level = event.getLevel();
    return level.toInt() <= Level.INFO_INT;
  }

  protected void preprocess(ILoggingEvent eventObject) {
    eventObject.prepareForDeferredProcessing();
    if(includeCallerData)
      eventObject.getCallerData();
  }

  public boolean isIncludeCallerData() {
    return includeCallerData;
  }

  public void setIncludeCallerData(boolean includeCallerData) {
    this.includeCallerData = includeCallerData;
  }

}
