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- /*
- * SonarQube
- * Copyright (C) 2009-2021 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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