/*
* #%L
* gitools-core
* %%
* Copyright (C) 2013 Universitat Pompeu Fabra - Biomedical Genomics group
* %%
* This program 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.
*
* This program is 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 program. If not, see
* <http://www.gnu.org/licenses/gpl-3.0.html>.
* #L%
*/
package org.gitools.matrix.sort;
import org.gitools.api.matrix.IMatrixDimension;
import org.gitools.api.matrix.IMatrixLayer;
import org.gitools.api.matrix.IMatrixPosition;
import org.gitools.api.matrix.SortDirection;
import java.util.Comparator;
public class SingleSortByValueComparator implements Comparator<String> {
private IMatrixPosition position;
private IMatrixLayer<? extends Comparable> layer;
private IMatrixDimension dimension;
private SortDirection sortDirection;
public SingleSortByValueComparator(IMatrixPosition position, IMatrixLayer<? extends Comparable> layer, IMatrixDimension dimension, SortDirection sortDirection) {
this.position = position;
this.layer = layer;
this.dimension = dimension;
this.sortDirection = sortDirection;
}
@Override
public int compare(String o1, String o2) {
Comparable v1 = position.getMatrix().get(layer, position.set(dimension, o1));
Comparable v2 = position.getMatrix().get(layer, position.set(dimension, o2));
if (v1 == null && v2 == null) {
return 0;
}
if (v1 == null) {
return 1;
}
if (v2 == null) {
return -1;
}
return v1.compareTo(v2) * sortDirection.getFactor();
}
}