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/*
* SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.dse.transition.statespace.internal;
import tools.refinery.store.dse.transition.Transformation;
import tools.refinery.store.dse.transition.VersionWithObjectiveValue;
import tools.refinery.store.dse.transition.statespace.ActivationStore;
import java.util.List;
import java.util.Random;
public class ActivationStoreWorker {
final ActivationStore store;
final List<Transformation> transformations;
public ActivationStoreWorker(ActivationStore store, List<Transformation> transformations) {
this.store = store;
this.transformations = transformations;
}
public int[] calculateEmptyActivationSize() {
int[] result = new int[transformations.size()];
for (int i = 0; i < result.length; i++) {
result[i] = transformations.get(i).getAllActivationsAsResultSet().size();
}
return result;
}
public ActivationStore.VisitResult fireRandomActivation(VersionWithObjectiveValue thisVersion, Random random) {
var result = store.getRandomAndMarkAsVisited(thisVersion, random);
if (result.successfulVisit()) {
int selectedTransformation = result.transformation();
int selectedActivation = result.activation();
Transformation transformation = transformations.get(selectedTransformation);
var tuple = transformation.getActivation(selectedActivation);
boolean success = transformation.fireActivation(tuple);
if (success) {
return result;
} else {
return new ActivationStore.VisitResult(
false,
result.mayHaveMore(),
selectedTransformation,
selectedActivation);
}
}
return result;
}
}
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