| 1 | /* |
| 2 | * Copyright (C) 2014 - Christian Babeux <christian.babeux@efficios.com> |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | * of this software and associated documentation files (the "Software"), to |
| 6 | * deal in the Software without restriction, including without limitation the |
| 7 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 8 | * sell copies of the Software, and to permit persons to whom the Software is |
| 9 | * furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 19 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 20 | * IN THE SOFTWARE. |
| 21 | */ |
| 22 | import java.io.IOException; |
| 23 | |
| 24 | import org.apache.log4j.Logger; |
| 25 | import org.apache.log4j.BasicConfigurator; |
| 26 | import org.apache.log4j.Level; |
| 27 | |
| 28 | import org.lttng.ust.agent.LTTngAgent; |
| 29 | |
| 30 | public class Hello |
| 31 | { |
| 32 | /* Of course :) */ |
| 33 | private static final int answer = 42; |
| 34 | |
| 35 | static Logger helloLog = Logger.getLogger(Hello.class); |
| 36 | |
| 37 | private static LTTngAgent lttngAgent; |
| 38 | |
| 39 | public static void main(String args[]) throws Exception |
| 40 | { |
| 41 | /* |
| 42 | * Set lowest level to make sure all event levels are logged. |
| 43 | * Any jar can override the default log4j rootLogger level |
| 44 | * and a logger with no explicit level defaults to the non-null |
| 45 | * parent level. Events could be ignored if the inherited value |
| 46 | * is to low. |
| 47 | * e.g BSF -> https://issues.apache.org/jira/browse/BSF-24 |
| 48 | */ |
| 49 | helloLog.setLevel(Level.ALL); |
| 50 | |
| 51 | BasicConfigurator.configure(); |
| 52 | lttngAgent = LTTngAgent.getLTTngAgent(); |
| 53 | |
| 54 | /* |
| 55 | * Gives you time to do some lttng commands before any event is hit. |
| 56 | */ |
| 57 | Thread.sleep(5000); |
| 58 | |
| 59 | /* Trigger a tracing event using the JUL Logger created before. */ |
| 60 | helloLog.info("Hello World, the answer is " + answer); |
| 61 | |
| 62 | System.out.println("Firing hello delay in 5 seconds..."); |
| 63 | Thread.sleep(5000); |
| 64 | helloLog.info("Hello World delayed..."); |
| 65 | } |
| 66 | } |