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5b5ffa03 | 1 | /* |
d60dfbe4 | 2 | * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir <alexmonthy@efficios.com> |
5b5ffa03 DG |
3 | * |
4 | * This library is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU Lesser General Public License, version 2.1 only, | |
6 | * as published by the Free Software Foundation. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
11 | * for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public License | |
14 | * along with this library; if not, write to the Free Software Foundation, | |
15 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
d60dfbe4 AM |
18 | package org.lttng.ust.agent.log4j; |
19 | ||
20 | import org.lttng.ust.agent.AbstractLttngAgent; | |
21 | ||
22 | /** | |
23 | * Agent implementation for using the Log4j logger, connecting to a root session | |
24 | * daemon. | |
25 | * | |
26 | * @author Alexandre Montplaisir | |
27 | */ | |
28 | class LttngLog4jAgent extends AbstractLttngAgent<LttngLogAppender> { | |
29 | ||
30 | private static LttngLog4jAgent instance = null; | |
31 | ||
32 | private LttngLog4jAgent() { | |
33 | super(Domain.LOG4J); | |
34 | } | |
5b5ffa03 | 35 | |
d60dfbe4 AM |
36 | public static synchronized LttngLog4jAgent getInstance() { |
37 | if (instance == null) { | |
38 | instance = new LttngLog4jAgent(); | |
39 | } | |
40 | return instance; | |
41 | } | |
5b5ffa03 | 42 | |
5b5ffa03 | 43 | } |