ComputedSwitchBranchElement.java
/**
* Copyright (c) 2025, Coreso SA (https://www.coreso.eu/) and TSCNET Services GmbH (https://www.tscnet.eu/)
* 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/.
* SPDX-License-Identifier: MPL-2.0
*/
package com.powsybl.openloadflow.dc.fastdc;
import com.powsybl.openloadflow.dc.equations.ClosedBranchSide1DcFlowEquationTerm;
import com.powsybl.openloadflow.dc.equations.DcEquationType;
import com.powsybl.openloadflow.dc.equations.DcVariableType;
import com.powsybl.openloadflow.equations.EquationSystem;
import com.powsybl.openloadflow.graph.GraphConnectivity;
import com.powsybl.openloadflow.network.ElementType;
import com.powsybl.openloadflow.network.LfBranch;
import com.powsybl.openloadflow.network.LfBus;
/**
* @author Pierre Arvy {@literal <pierre.arvy@artelys.com>}
*/
public final class ComputedSwitchBranchElement extends AbstractComputedElement {
private final boolean enabled; // indicates whether the action opens or closes the branch
public ComputedSwitchBranchElement(LfBranch lfBranch, boolean enabled, EquationSystem<DcVariableType, DcEquationType> equationSystem) {
super(lfBranch, equationSystem.getEquationTerm(ElementType.BRANCH, lfBranch.getNum(), ClosedBranchSide1DcFlowEquationTerm.class));
this.enabled = enabled;
}
public boolean isEnabled() {
return enabled;
}
@Override
public void applyToConnectivity(GraphConnectivity<LfBus, LfBranch> connectivity) {
LfBranch lfBranch = getLfBranch();
if (lfBranch.getBus1() != null && lfBranch.getBus2() != null) {
if (isEnabled()) {
connectivity.addEdge(lfBranch.getBus1(), lfBranch.getBus2(), lfBranch);
} else {
connectivity.removeEdge(lfBranch);
}
}
}
}