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/*
* SonarQube
* Copyright (C) 2009-2017 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;
import java.util.ArrayList;
import java.util.EnumMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.annotation.Nonnull;
import org.sonar.process.NetworkUtils;
import org.sonar.process.ProcessId;
public class AppStateImpl implements AppState {
private final Map<ProcessId, Boolean> processes = new EnumMap<>(ProcessId.class);
private final List<AppStateListener> listeners = new ArrayList<>();
private final AtomicBoolean webLeaderLocked = new AtomicBoolean(false);
@Override
public void addListener(@Nonnull AppStateListener listener) {
this.listeners.add(listener);
}
@Override
public boolean isOperational(ProcessId processId, boolean local) {
return processes.computeIfAbsent(processId, p -> false);
}
@Override
public void setOperational(ProcessId processId) {
processes.put(processId, true);
listeners.forEach(l -> l.onAppStateOperational(processId));
}
@Override
public boolean tryToLockWebLeader() {
return webLeaderLocked.compareAndSet(false, true);
}
@Override
public void reset() {
webLeaderLocked.set(false);
processes.clear();
}
@Override
public void registerSonarQubeVersion(String sonarqubeVersion) {
// Nothing to do on non clustered version
}
@Override
public void registerClusterName(String clusterName) {
// Nothing to do on non clustered version
}
@Override
public Optional<String> getLeaderHostName() {
return Optional.of(NetworkUtils.INSTANCE.getHostname());
}
@Override
public void close() {
// nothing to do
}
}
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