Edge.java
/**
* Copyright (c) 2019, 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.sld.model.nodes;
import com.fasterxml.jackson.core.JsonGenerator;
import com.powsybl.commons.PowsyblException;
import com.powsybl.sld.model.coordinate.Point;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
/**
* @author Benoit Jeanson {@literal <benoit.jeanson at rte-france.com>}
* @author Nicolas Duchene
* @author Geoffroy Jamgotchian {@literal <geoffroy.jamgotchian at rte-france.com>}
*/
public class Edge {
private final List<Node> nodes;
public Edge(Node node1, Node node2) {
this.nodes = Arrays.asList(node1, node2);
}
public Node getNode(int index) {
return nodes.get(index);
}
public Node getNode1() {
return getNode(0);
}
public Node getNode2() {
return getNode(1);
}
public List<Node> getNodes() {
return nodes;
}
public void writeJson(JsonGenerator generator) throws IOException {
generator.writeStartObject();
for (int i = 1; i <= nodes.size(); ++i) {
generator.writeStringField("node" + i, nodes.get(i - 1).getId());
}
generator.writeEndObject();
}
public boolean isZeroLength() {
Point node1 = getNode1().getCoordinates();
Point node2 = getNode2().getCoordinates();
return node1.getX() == node2.getX() && node1.getY() == node2.getY();
}
public Node getOppositeNode(Node node) {
if (node == getNode1()) {
return getNode2();
} else if (node == getNode2()) {
return getNode1();
} else {
throw new PowsyblException("Cannot get opposite node, the given node is not connected to this edge");
}
}
}