public int[] getGLIndecesOfAlternateAllele(Allele targetAllele) {
int index = 1;
for (Allele allele : getAlternateAlleles()) {
if (allele.equals(targetAllele)) break;
index++;
}
return GenotypeLikelihoods.getPLIndecesOfAlleles(0, index);
}
private static void addGenotypesAndGTests() {
// for ( final int ploidy : Arrays.asList(2)) {
for (final int ploidy : Arrays.asList(1, 2, 3, 4, 5)) {
final List<List<String>> alleleCombinations =
Arrays.asList(
Arrays.asList("A"),
Arrays.asList("A", "C"),
Arrays.asList("A", "C", "G"),
Arrays.asList("A", "C", "G", "T"));
for (final List<String> alleles : alleleCombinations) {
final VariantContextBuilder vcb = builder().alleles(alleles);
final VariantContext site = vcb.make();
final int nAlleles = site.getNAlleles();
final Allele ref = site.getReference();
// base genotype is ref/.../ref up to ploidy
final List<Allele> baseGenotype = new ArrayList<Allele>(ploidy);
for (int i = 0; i < ploidy; i++) baseGenotype.add(ref);
final int nPLs = GenotypeLikelihoods.numLikelihoods(nAlleles, ploidy);
// ada is 0, 1, ..., nAlleles - 1
final List<Integer> ada = new ArrayList<Integer>(nAlleles);
for (int i = 0; i < nAlleles - 1; i++) ada.add(i);
// pl is 0, 1, ..., up to nPLs (complex calc of nAlleles and ploidy)
final int[] pl = new int[nPLs];
for (int i = 0; i < pl.length; i++) pl[i] = i;
final GenotypeBuilder gb = new GenotypeBuilder("ADA_PL_SAMPLE");
gb.alleles(baseGenotype);
gb.PL(pl);
gb.attribute("ADA", nAlleles == 2 ? ada.get(0) : ada);
vcb.genotypes(gb.make());
add(vcb);
}
}
}
/**
* Read in a list of ExactCall objects from reader, keeping only those with starts in startsToKeep
* or all sites (if this is empty)
*
* @param reader a just-opened reader sitting at the start of the file
* @param startsToKeep a list of start position of the calls to keep, or empty if all calls should
* be kept
* @param parser a genome loc parser to create genome locs
* @return a list of ExactCall objects in reader
* @throws IOException
*/
public static List<ExactCall> readExactLog(
final BufferedReader reader, final List<Integer> startsToKeep, GenomeLocParser parser)
throws IOException {
if (reader == null) throw new IllegalArgumentException("reader cannot be null");
if (startsToKeep == null) throw new IllegalArgumentException("startsToKeep cannot be null");
if (parser == null) throw new IllegalArgumentException("GenomeLocParser cannot be null");
List<ExactCall> calls = new LinkedList<ExactCall>();
// skip the header line
reader.readLine();
// skip the first "type" line
reader.readLine();
while (true) {
final VariantContextBuilder builder = new VariantContextBuilder();
final List<Allele> alleles = new ArrayList<Allele>();
final List<Genotype> genotypes = new ArrayList<Genotype>();
final double[] posteriors = new double[2];
final double[] priors = MathUtils.normalizeFromLog10(new double[] {0.5, 0.5}, true);
final List<Integer> mle = new ArrayList<Integer>();
final Map<Allele, Double> log10pNonRefByAllele = new HashMap<Allele, Double>();
long runtimeNano = -1;
GenomeLoc currentLoc = null;
while (true) {
final String line = reader.readLine();
if (line == null) return calls;
final String[] parts = line.split("\t");
final GenomeLoc lineLoc = parser.parseGenomeLoc(parts[0]);
final String variable = parts[1];
final String key = parts[2];
final String value = parts[3];
if (currentLoc == null) currentLoc = lineLoc;
if (variable.equals("type")) {
if (startsToKeep.isEmpty() || startsToKeep.contains(currentLoc.getStart())) {
builder.alleles(alleles);
final int stop = currentLoc.getStart() + alleles.get(0).length() - 1;
builder.chr(currentLoc.getContig()).start(currentLoc.getStart()).stop(stop);
builder.genotypes(genotypes);
final int[] mleInts = ArrayUtils.toPrimitive(mle.toArray(new Integer[] {}));
final AFCalcResult result =
new AFCalcResult(mleInts, 1, alleles, posteriors, priors, log10pNonRefByAllele);
calls.add(new ExactCall(builder.make(), runtimeNano, result));
}
break;
} else if (variable.equals("allele")) {
final boolean isRef = key.equals("0");
alleles.add(Allele.create(value, isRef));
} else if (variable.equals("PL")) {
final GenotypeBuilder gb = new GenotypeBuilder(key);
gb.PL(GenotypeLikelihoods.fromPLField(value).getAsPLs());
genotypes.add(gb.make());
} else if (variable.equals("log10PosteriorOfAFEq0")) {
posteriors[0] = Double.valueOf(value);
} else if (variable.equals("log10PosteriorOfAFGt0")) {
posteriors[1] = Double.valueOf(value);
} else if (variable.equals("MLE")) {
mle.add(Integer.valueOf(value));
} else if (variable.equals("pNonRefByAllele")) {
final Allele a = Allele.create(key);
log10pNonRefByAllele.put(a, Double.valueOf(value));
} else if (variable.equals("runtime.nano")) {
runtimeNano = Long.valueOf(value);
} else {
// nothing to do
}
}
}
}