mirror of
https://github.com/octoleo/plantuml.git
synced 2024-05-28 14:10:48 +00:00
120 lines
2.8 KiB
Java
120 lines
2.8 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2020, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.gitlog;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.List;
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import net.sourceforge.plantuml.cucadiagram.Display;
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public class GNode {
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private final List<GNode> up = new ArrayList<>();
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private final List<GNode> down = new ArrayList<>();
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private final List<String> texts = new ArrayList<>();
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private String comment;
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public void addText(String text) {
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this.texts.add(text);
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}
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public boolean isTop() {
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return up.size() == 0;
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}
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public final String getComment() {
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return comment;
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}
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public void setComment(String comment) {
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this.comment = comment;
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}
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public static void link(GNode n1, GNode n2) {
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n1.down.add(n2);
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n2.up.add(n1);
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}
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@Override
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public String toString() {
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return texts.toString();
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}
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public Display getDisplay() {
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return Display.create(texts);
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}
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public Collection<GNode> getDowns() {
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return Collections.unmodifiableCollection(down);
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}
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public boolean canEatTheNextOne() {
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if (up.size() != 1)
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return false;
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if (down.size() != 1)
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return false;
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final GNode next = down.get(0);
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if (next.up.size() != 1)
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return false;
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if (next.down.size() != 1)
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return false;
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return true;
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}
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public GNode eatTheNextOne() {
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if (canEatTheNextOne() == false)
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throw new IllegalStateException();
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final GNode removed = down.get(0);
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final GNode newNext = removed.down.get(0);
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this.texts.addAll(removed.texts);
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this.down.set(0, newNext);
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if (newNext.up.remove(removed) == false)
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throw new IllegalStateException();
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newNext.up.add(this);
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return removed;
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}
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}
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