org.sonar.application.process.ProcessCommandsProcessMonitor 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.application.process;
import org.sonar.process.ProcessId;
import org.sonar.process.sharedmemoryfile.ProcessCommands;
import static java.util.Objects.requireNonNull;
class ProcessCommandsProcessMonitor extends AbstractProcessMonitor {
private final ProcessCommands commands;
ProcessCommandsProcessMonitor(Process process, ProcessId processId, ProcessCommands commands) {
super(process, processId);
this.commands = requireNonNull(commands, "commands can't be null");
}
/**
* Whether the process has set the operational flag (in ipc shared memory)
*/
@Override
public boolean isOperational() {
return commands.isOperational();
}
/**
* Send request to gracefully stop to the process (via ipc shared memory)
*/
@Override
public void askForStop() {
commands.askForStop();
}
/**
* Whether the process asked for a full restart (via ipc shared memory)
*/
@Override
public boolean askedForRestart() {
return commands.askedForRestart();
}
/**
* Removes the flag in ipc shared memory so that next call to {@link #askedForRestart()}
* returns {@code false}, except if meanwhile process asks again for restart.
*/
@Override
public void acknowledgeAskForRestart() {
commands.acknowledgeAskForRestart();
}
}