/*
* The MIT License
*
* Copyright (c) 2014 The Broad Institute
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package picard.illumina;
import picard.illumina.parser.Tile;
import picard.illumina.parser.TileTemplateRead;
import picard.util.MathUtil;
import htsjdk.samtools.util.CollectionUtil;
import java.lang.Float;import java.util.*;import java.util.Collection;import java.util.Collections;import java.util.Map;import java.util.TreeMap;
/** Helper class used to transform tile data for a lane into a collection of IlluminaPhasingMetrics */
public class LanePhasingMetricsCollector {
private final Map<TileTemplateRead, Float> medianPhasingMap;
private final Map<TileTemplateRead, Float> medianPrePhasingMap;
/** Constructor takes a lane's collection of Tiles and calculates the median phasing/prephasing for the
* first and second (if available) reads
*/
public LanePhasingMetricsCollector(final Collection<Tile> laneTiles) {
final Map<TileTemplateRead, Float> medianPhasingMap = new TreeMap<TileTemplateRead, Float>();
final Map<TileTemplateRead, Float> medianPrePhasingMap = new TreeMap<TileTemplateRead, Float>();
final CollectionUtil.MultiMap<TileTemplateRead, Float> phasingValues = new CollectionUtil.MultiMap<TileTemplateRead, Float>();
final CollectionUtil.MultiMap<TileTemplateRead, Float> prePhasingValues = new CollectionUtil.MultiMap<TileTemplateRead, Float>();
// Collect the phasing/prephasing values from all of the tiles, sorted by template read #
for (final Tile tile : laneTiles) {
for (final TileTemplateRead tileTemplateRead : tile.getPhasingMap().keySet()) {
phasingValues.append(tileTemplateRead, tile.getPhasingMap().get(tileTemplateRead));
prePhasingValues.append(tileTemplateRead, tile.getPrePhasingMap().get(tileTemplateRead));
}
}
// Calculate the medians for the collected data
for (final TileTemplateRead tileTemplateRead : phasingValues.keySet()) {
medianPhasingMap.put(tileTemplateRead, medianPercentage(phasingValues.get(tileTemplateRead)));
medianPrePhasingMap.put(tileTemplateRead, medianPercentage(prePhasingValues.get(tileTemplateRead)));
}
this.medianPhasingMap = Collections.unmodifiableMap(medianPhasingMap);
this.medianPrePhasingMap = Collections.unmodifiableMap(medianPrePhasingMap);
}
public Map<TileTemplateRead, Float> getMedianPhasingMap() {
return medianPhasingMap;
}
public Map<TileTemplateRead, Float> getMedianPrePhasingMap() {
return medianPrePhasingMap;
}
private static float medianPercentage(final Collection<Float> phaseValues) {
final double[] values = new double[phaseValues.size()];
int i = 0;
for (Float phaseValue : phaseValues) {
values[i] = (double)phaseValue;
i++;
}
return (float)MathUtil.median(values) * 100;
}
}