/*
* Copyright 2009 Peter Karich, peat_hal ‘at’ users ‘dot’ sourceforge ‘dot’ net.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* under the License.
*/
package de.timefinder.algo.constraint;
import de.timefinder.data.Event;
import de.timefinder.data.algo.Assignment;
import de.timefinder.data.algo.Constraint;
import de.timefinder.data.set.BitRaster;
import de.timefinder.data.set.WeekRaster;
/**
* @author Peter Karich, peat_hal ‘at’ users ‘dot’ sourceforge ‘dot’ net
*/
public class RasterConstraint extends Constraint {
private static final long serialVersionUID = 4517051950429717349L;
private WeekRaster raster;
private RasterConstraint() {
}
public RasterConstraint(WeekRaster raster) {
this.raster = raster;
}
public WeekRaster getRaster() {
return raster;
}
public void setRaster(WeekRaster raster) {
this.raster = raster;
}
@Override
public int getViolations(Object obj) {
Assignment ass = (Assignment) obj;
if (ass.getStart() < 0)
return 0;
int counter = 0;
Event ev = ass.getEvent();
BitRaster refRaster = getRaster().getForbidden();
int end = ass.getStart() + ev.getDuration();
for (int i = ass.getStart(); i < end; i++) {
if (refRaster.isAssigned(i))
counter++;
}
return counter;
}
}