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75 lines
1.9 KiB
Java
75 lines
1.9 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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package net.sourceforge.plantuml.nwdiag.legacy;
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public class Footprint {
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private final int min;
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private final int max;
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public Footprint(int min, int max) {
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if (max < min) {
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throw new IllegalArgumentException();
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}
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assert max >= min;
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this.min = min;
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this.max = max;
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}
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@Override
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public String toString() {
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return "" + min + " -> " + max;
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}
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public Footprint intersection(Footprint other) {
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if (this.max < other.min) {
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return null;
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}
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if (this.min > other.max) {
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return null;
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}
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return new Footprint(Math.max(this.min, other.min), Math.min(this.max, other.max));
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}
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public final int getMin() {
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return min;
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}
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public final int getMax() {
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return max;
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}
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}
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