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/*
* SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.language.web.generator;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import org.eclipse.xtext.service.OperationCanceledManager;
import org.eclipse.xtext.util.CancelIndicator;
import org.eclipse.xtext.util.concurrent.CancelableUnitOfWork;
import org.eclipse.xtext.web.server.model.IXtextWebDocument;
import tools.refinery.language.web.semantics.SemanticsService;
import tools.refinery.language.web.xtext.server.push.PushWebDocument;
import tools.refinery.language.web.xtext.server.push.PushWebDocumentAccess;
@Singleton
public class ModelGenerationService {
public static final String SERVICE_NAME = "modelGeneration";
public static final String MODEL_GENERATION_EXECUTOR = "modelGeneration";
public static final String MODEL_GENERATION_TIMEOUT_EXECUTOR = "modelGenerationTimeout";
@Inject
private OperationCanceledManager operationCanceledManager;
@Inject
private Provider<ModelGenerationWorker> workerProvider;
private final long timeoutSec;
public ModelGenerationService() {
timeoutSec = SemanticsService.getTimeout("REFINERY_MODEL_GENERATION_TIMEOUT_SEC").orElse(600L);
}
public ModelGenerationStartedResult generateModel(PushWebDocumentAccess document, int randomSeed) {
return document.modify(new CancelableUnitOfWork<>() {
@Override
public ModelGenerationStartedResult exec(IXtextWebDocument state, CancelIndicator cancelIndicator) {
var pushState = (PushWebDocument) state;
var worker = workerProvider.get();
worker.setState(pushState, randomSeed, timeoutSec);
var manager = pushState.getModelGenerationManager();
worker.start();
boolean canceled = manager.setActiveModelGenerationWorker(worker, cancelIndicator);
if (canceled) {
worker.cancel();
operationCanceledManager.throwOperationCanceledException();
}
return new ModelGenerationStartedResult(worker.getUuid());
}
});
}
public ModelGenerationCancelledResult cancelModelGeneration(PushWebDocumentAccess document) {
document.cancelModelGeneration();
return new ModelGenerationCancelledResult();
}
}
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