org.sonar.server.app.RestartFlagHolder Maven / Gradle / Ivy
/*
* SonarQube
* Copyright (C) 2009-2018 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.server.app;
/**
* Holds a boolean flag representing the restarting status of the WebServer.
* This boolean is {@code false} by default and can safely be changed concurrently using methods {@link #set()} and
* {@link #unset()}.
*/
public interface RestartFlagHolder {
/**
* @return whether restarting flag has been set or not.
*/
boolean isRestarting();
/**
* Sets the restarting flag to {@code true}, no matter it already is or not.
*/
void set();
/**
* Sets the restarting flag to {@code false}, no matter it already is or not.
*/
void unset();
}