NcAggregator.java
/*
* Copyright (c) 2024, RTE (http://www.rte-france.com)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package com.powsybl.openrao.data.crac.io.nc.craccreator;
import com.powsybl.openrao.data.crac.io.nc.objects.NCObject;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.function.Function;
/**
* @author Thomas Bouquet {@literal <thomas.bouquet at rte-france.com>}
*/
public class NcAggregator<T extends NCObject> {
private final Function<T, String> groupingAttribute;
public NcAggregator(Function<T, String> groupingAttribute) {
this.groupingAttribute = groupingAttribute;
}
public Map<String, Set<T>> aggregate(Set<T> ncObjects) {
Map<String, Set<T>> ncObjectsPerAttribute = new HashMap<>();
for (T ncObject : ncObjects) {
String attributeValue = groupingAttribute.apply(ncObject);
ncObjectsPerAttribute.computeIfAbsent(attributeValue, k -> new HashSet<>()).add(ncObject);
}
return ncObjectsPerAttribute;
}
}