liblttng-ust-java-agent/java/lttng-ust-agent-jul/org/lttng/ust/agent/jul/LttngJulAgent.java

   1 /*
   2  * Copyright (C) 2015 - EfficiOS Inc., Alexandre Montplaisir <alexmonthy@efficios.com>
   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
  18 package org.lttng.ust.agent.jul;
  19
  20 import org.lttng.ust.agent.AbstractLttngAgent;
  21
  22 /**
  23  * Agent implementation for tracing from JUL loggers.
  24  *
  25  * @author Alexandre Montplaisir
  26  */
  27 class LttngJulAgent extends AbstractLttngAgent<LttngLogHandler> {
  28
  29         private static LttngJulAgent instance = null;
  30
  31         private LttngJulAgent() {
  32                 super(Domain.JUL);
  33         }
  34
  35         public static synchronized LttngJulAgent getInstance() {
  36                 if (instance == null) {
  37                         instance = new LttngJulAgent();
  38                 }
  39                 return instance;
  40         }
  41
  42 }