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/*
* SonarQube
* Copyright (C) 2009-2016 SonarSource SA
* mailto:contact 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.process;
import java.io.File;
/**
* Process inter-communication to :
* <ul>
* <li>share status of specific process</li>
* <li>stop/restart a specific processes</li>
* </ul>
*
* @see DefaultProcessCommands#main(File, int)
* @see DefaultProcessCommands#secondary(File, int)
*/
public interface ProcessCommands extends AutoCloseable {
int MAX_PROCESSES = 5;
boolean isUp();
/**
* To be executed by child process to declare that it is done starting
*/
void setUp();
boolean isOperational();
/**
* To be executed by child process to declare that it is done starting and fully operational.
*
* @throws IllegalStateException if {@link #setUp()} has not been called
*/
void setOperational();
void ping();
long getLastPing();
void setHttpUrl(String s);
String getHttpUrl();
/**
* To be executed by monitor process to ask for child process termination
*/
void askForStop();
boolean askedForStop();
/**
* To be executed by child process to ask for restart of all child processes
*/
void askForRestart();
/**
* Can be called by child or monitor process to know whether child process asked for restart
*/
boolean askedForRestart();
/**
* To be executed by monitor process to acknowledge restart request from child process.
*/
void acknowledgeAskForRestart();
void endWatch();
}
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