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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2017, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*
*/
package net.sourceforge.plantuml.project;
enum NumericType {
NUMBER, INSTANT, LOAD, DURATION;
public NumericType add(NumericType other) {
if (this == NUMBER) {
return addNumber(other);
}
if (this == INSTANT) {
return null;
}
if (this == LOAD) {
return addLoad(other);
}
if (this == DURATION) {
return addDuration(other);
}
throw new UnsupportedOperationException();
}
private NumericType addDuration(NumericType other) {
if (other == DURATION) {
return DURATION;
}
return null;
}
private NumericType addLoad(NumericType other) {
if (other == LOAD) {
return LOAD;
}
return null;
}
private NumericType addNumber(NumericType other) {
if (other == NUMBER) {
return NUMBER;
}
return null;
}
}
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