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plantuml/src/net/sourceforge/plantuml/sequencediagram/graphic/FrontierComplex.java
2023-02-22 19:43:48 +01:00

101 lines
2.8 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2024, Arnaud Roques
*
* Project Info: https://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* https://plantuml.com/patreon (only 1$ per month!)
* https://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.sequencediagram.graphic;
import java.util.Arrays;
import java.util.Objects;
class FrontierComplex implements Frontier {
private final double freeY[];
public static FrontierComplex create(double freeY, int rangeEnd) {
final FrontierComplex result = new FrontierComplex(new double[rangeEnd + 1]);
for (int i = 0; i <= rangeEnd; i++)
result.freeY[i] = freeY;
return result;
}
private FrontierComplex(double freeY[]) {
this.freeY = freeY;
}
public double getFreeY(ParticipantRange range) {
Objects.requireNonNull(range);
double result = freeY[range.start()];
for (int i = range.start(); i <= range.end(); i++)
if (freeY[i] > result)
result = freeY[i];
return result;
}
@Override
public String toString() {
return Arrays.toString(freeY);
}
public FrontierComplex add(double delta, ParticipantRange range) {
Objects.requireNonNull(range);
final FrontierComplex result = new FrontierComplex(freeY.clone());
final double newV = result.getFreeY(range) + delta;
for (int i = range.start(); i <= range.end(); i++)
result.freeY[i] = newV;
return result;
}
FrontierComplex copy() {
return new FrontierComplex(freeY.clone());
}
FrontierComplex mergeMax(FrontierComplex other) {
if (this.freeY.length != other.freeY.length)
throw new IllegalArgumentException();
final FrontierComplex result = new FrontierComplex(new double[freeY.length]);
for (int i = 0; i < freeY.length; i++)
result.freeY[i] = Math.max(this.freeY[i], other.freeY[i]);
return result;
}
// public double diff(Frontier other) {
// return freeY - other.freeY;
// }
}