Create model

src/main/java/com/powsybl/nad/model/AbstractEdge.java

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+/**
+ * Copyright (c) 2021, 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.nad.model;
+
+public abstract class AbstractEdge implements Edge {
+
+    private final String id;
+
+    protected AbstractEdge(String id) {
+        this.id = id;
+    }
+
+    @Override
+    public String getDiagramId() {
+        return id;
+    }
+}

src/main/java/com/powsybl/nad/model/AbstractNode.java

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+/**
+ * Copyright (c) 2021, 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.nad.model;
+
+public abstract class AbstractNode implements Node {
+
+    private final String diagramId;
+    private int width;
+    private int height;
+    private Point position;
+
+    protected AbstractNode(String diagramId) {
+        this.diagramId = diagramId;
+        position = new Point();
+        width = 0;
+        height = 0;
+    }
+
+    @Override
+    public String getDiagramId() {
+        return diagramId;
+    }
+
+    @Override
+    public void setPosition(double x, double y) {
+        position = new Point(x, y);
+    }
+
+    public int getWidth() {
+        return width;
+    }
+
+    public void setWidth(int width) {
+        this.width = width;
+    }
+
+    public int getHeight() {
+        return height;
+    }
+
+    public void setHeight(int height) {
+        this.height = height;
+    }
+}

src/main/java/com/powsybl/nad/model/AbstractTransformerEdge.java

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+/**
+ * Copyright (c) 2021, 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.nad.model;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public abstract class AbstractTransformerEdge extends AbstractEdge implements BranchEdge {
+
+    private final List<VoltageLevelNode> adjacentNodes = new ArrayList<>();
+    private final Point transformerPosition = new Point();
+    private final List<List<Point>> polylines = new ArrayList<>();
+
+    protected AbstractTransformerEdge(String id, VoltageLevelNode node1, VoltageLevelNode node2) {
+        super(id);
+        adjacentNodes.add(node1);
+        adjacentNodes.add(node2);
+    }
+
+    protected AbstractTransformerEdge(String id, VoltageLevelNode node1, VoltageLevelNode node2, VoltageLevelNode node3) {
+        super(id);
+        adjacentNodes.add(node1);
+        adjacentNodes.add(node2);
+        adjacentNodes.add(node3);
+    }
+
+    public List<VoltageLevelNode> getAdjacentNodes() {
+        return Collections.unmodifiableList(adjacentNodes);
+    }
+
+    public Point getTransformerPosition() {
+        return transformerPosition;
+    }
+
+    public List<List<Point>> getEdgePolylines() {
+        return Collections.unmodifiableList(polylines);
+    }
+
+    public void addPolyline(List<Point> polyline) {
+        polylines.add(polyline);
+    }
+}

src/main/java/com/powsybl/nad/model/BranchEdge.java

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+/**
+ * Copyright (c) 2021, 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.nad.model;
+
+import java.util.List;
+
+public interface BranchEdge extends Edge {
+
+    List<VoltageLevelNode> getAdjacentNodes();
+
+}

src/main/java/com/powsybl/nad/model/BusNode.java

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+package com.powsybl.nad.model;
+
+public class BusNode {
+}

src/main/java/com/powsybl/nad/model/Edge.java

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+/**
+ * Copyright (c) 2021, 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.nad.model;
+
+import java.util.List;
+
+public interface Edge {
+
+    String getDiagramId();
+
+    List<? extends Node> getAdjacentNodes();
+
+}

src/main/java/com/powsybl/nad/model/Graph.java

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+/**
+ * Copyright (c) 2021, 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.nad.model;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Optional;
+import java.util.stream.Stream;
+
+public class Graph {
+
+    private final Map<String, Node> nodes = new LinkedHashMap<>();
+    private final Map<String, Edge> edges = new LinkedHashMap<>();
+
+    public void addNode(Node node) {
+        nodes.put(node.getDiagramId(), node);
+    }
+
+    public void addEdge(Edge edge) {
+        edges.put(edge.getDiagramId(), edge);
+    }
+
+    public Stream<Node> getNodesStream() {
+        return nodes.values().stream();
+    }
+
+    public Stream<Edge> getEdgesStream() {
+        return edges.values().stream();
+    }
+
+    public Optional<Node> getNode(String diagramId) {
+        return Optional.ofNullable(nodes.get(diagramId));
+    }
+
+    public Optional<Edge> getEdge(String diagramId) {
+        return Optional.ofNullable(edges.get(diagramId));
+    }
+
+}

src/main/java/com/powsybl/nad/model/LineEdge.java

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+/**
+ * Copyright (c) 2021, 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.nad.model;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+public class LineEdge extends AbstractEdge implements BranchEdge {
+    private final List<VoltageLevelNode> adjacentNodes = new LinkedList<>();
+    private List<Point> polyline = new ArrayList<>();
+
+    public LineEdge(String id, VoltageLevelNode node1, VoltageLevelNode node2) {
+        super(id);
+        adjacentNodes.add(node1);
+        adjacentNodes.add(node2);
+    }
+
+    @Override
+    public List<VoltageLevelNode> getAdjacentNodes() {
+        return Collections.unmodifiableList(adjacentNodes);
+    }
+
+    public List<Point> getPolyline() {
+        return Collections.unmodifiableList(polyline);
+    }
+
+    public void setPolyline(List<Point> polyline) {
+        this.polyline = new ArrayList<>(polyline);
+    }
+
+}

src/main/java/com/powsybl/nad/model/Node.java

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+/**
+ * Copyright (c) 2021, 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.nad.model;
+
+import java.util.List;
+
+public interface Node {
+
+    String getDiagramId();
+
+    List<? extends Edge> getAdjacentEdges();
+
+    void setPosition(double x, double y);
+
+}

src/main/java/com/powsybl/nad/model/Point.java

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+/**
+ * Copyright (c) 2021, 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.nad.model;
+
+public class Point {
+
+    private double x;
+    private double y;
+
+    public Point(double x, double y) {
+        this.x = x;
+        this.y = y;
+    }
+
+    public Point() {
+        this(0, 0);
+    }
+
+    public double getY() {
+        return y;
+    }
+
+    public void setY(double y) {
+        this.y = y;
+    }
+
+    public double getX() {
+        return x;
+    }
+
+    public void setX(double x) {
+        this.x = x;
+    }
+}

src/main/java/com/powsybl/nad/model/TextEdge.java

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+/**
+ * Copyright (c) 2021, 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.nad.model;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class TextEdge implements Edge {
+
+    private final String id;
+
+    private VoltageLevelNode vlNode;
+    private TextNode textNode;
+
+    public TextEdge(String id) {
+        this.id = id;
+    }
+
+    @Override
+    public String getDiagramId() {
+        return id;
+    }
+
+    @Override
+    public List<Node> getAdjacentNodes() {
+        return Arrays.asList(vlNode, textNode);
+    }
+
+    public VoltageLevelNode getVoltageLevelNode() {
+        return vlNode;
+    }
+
+    public TextNode getTextNode() {
+        return textNode;
+    }
+
+}

src/main/java/com/powsybl/nad/model/TextNode.java

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+/**
+ * Copyright (c) 2021, 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.nad.model;
+
+import java.util.Collections;
+import java.util.List;
+
+public class TextNode extends AbstractNode {
+
+    private final String text;
+    private TextEdge edge;
+
+    protected TextNode(String diagramId, String text) {
+        super(diagramId);
+        this.text = text;
+    }
+
+    @Override
+    public List<TextEdge> getAdjacentEdges() {
+        return Collections.singletonList(edge);
+    }
+
+    public void setEdge(TextEdge edge) {
+        this.edge =  edge;
+    }
+
+    public String getText() {
+        return text;
+    }
+}

src/main/java/com/powsybl/nad/model/ThreeWindingsTransformerEdge.java

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+/**
+ * Copyright (c) 2021, 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.nad.model;
+
+public class ThreeWindingsTransformerEdge extends AbstractTransformerEdge {
+    protected ThreeWindingsTransformerEdge(String id, VoltageLevelNode node1, VoltageLevelNode node2, VoltageLevelNode node3) {
+        super(id, node1, node2, node3);
+    }
+}