1 /**
2 * Logback: the reliable, generic, fast and flexible logging framework.
3 * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
4 *
5 * This program and the accompanying materials are dual-licensed under
6 * either the terms of the Eclipse Public License v1.0 as published by
7 * the Eclipse Foundation
8 *
9 * or (per the licensee's choosing)
10 *
11 * under the terms of the GNU Lesser General Public License version 2.1
12 * as published by the Free Software Foundation.
13 */
14 package ch.qos.logback.classic;
15
16 import ch.qos.logback.classic.spi.ILoggingEvent;
17 import ch.qos.logback.core.AsyncAppenderBase;
18
19 /**
20 * In order to optimize performance this appender deems events of level TRACE,
21 * DEBUG and INFO as discardable. See the
22 * <a href="http://logback.qos.ch/manual/appenders.html#AsyncAppender">chapter
23 * on appenders</a> in the manual for further information.
24 *
25 *
26 * @author Ceki Gülcü
27 * @since 1.0.4
28 */
29 public class AsyncAppender extends AsyncAppenderBase<ILoggingEvent> {
30
31 boolean includeCallerData = false;
32
33 /**
34 * Events of level TRACE, DEBUG and INFO are deemed to be discardable.
35 *
36 * @param event
37 * @return true if the event is of level TRACE, DEBUG or INFO false otherwise.
38 */
39 protected boolean isDiscardable(ILoggingEvent event) {
40 Level level = event.getLevel();
41 return level.toInt() <= Level.INFO_INT;
42 }
43
44 protected void preprocess(ILoggingEvent eventObject) {
45 eventObject.prepareForDeferredProcessing();
46 if (includeCallerData)
47 eventObject.getCallerData();
48 }
49
50 public boolean isIncludeCallerData() {
51 return includeCallerData;
52 }
53
54 public void setIncludeCallerData(boolean includeCallerData) {
55 this.includeCallerData = includeCallerData;
56 }
57
58 }