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/*
* SonarQube
* Copyright (C) 2009-2025 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.ce;
import org.sonar.ce.container.ComputeEngineStatus;
import org.sonar.ce.container.ComputeEngineContainer;
import org.sonar.process.Props;
import static com.google.common.base.Preconditions.checkState;
public class ComputeEngineImpl implements ComputeEngine, ComputeEngineStatus {
private final Props props;
private final ComputeEngineContainer computeEngineContainer;
private Status status = Status.INIT;
public ComputeEngineImpl(Props props, ComputeEngineContainer computeEngineContainer) {
this.props = props;
this.computeEngineContainer = computeEngineContainer;
computeEngineContainer.setComputeEngineStatus(this);
}
@Override
public void startup() {
checkState(this.status == Status.INIT, "startup() can not be called multiple times");
try {
this.status = Status.STARTING;
this.computeEngineContainer.start(props);
} finally {
this.status = Status.STARTED;
}
}
@Override
public void stopProcessing() {
checkState(this.status.ordinal() >= Status.STARTED.ordinal(), "stopProcessing() must not be called before startup()");
checkState(this.status.ordinal() <= Status.STOPPING.ordinal(), "stopProcessing() can not be called after shutdown()");
checkState(this.status.ordinal() <= Status.STOPPING_WORKERS.ordinal(), "stopProcessing() can not be called multiple times");
try {
this.status = Status.STOPPING_WORKERS;
this.computeEngineContainer.stopWorkers();
} finally {
this.status = Status.WORKERS_STOPPED;
}
}
@Override
public void shutdown() {
checkState(this.status.ordinal() >= Status.STARTED.ordinal(), "shutdown() must not be called before startup()");
checkState(this.status.ordinal() <= Status.STOPPING.ordinal(), "shutdown() can not be called multiple times");
try {
this.status = Status.STOPPING;
this.computeEngineContainer.stop();
} finally {
this.status = Status.STOPPED;
}
}
@Override
public Status getStatus() {
return status;
}
}
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