gatk-3.8/java/src/org/broadinstitute/sting/oneoffprojects/walkers/TestVariantContextWalker.java

103 lines
4.3 KiB
Java
Executable File

/*
* Copyright (c) 2010 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 org.broadinstitute.sting.oneoffprojects.walkers;
import org.broad.tribble.util.variantcontext.VariantContext;
import org.broadinstitute.sting.gatk.contexts.AlignmentContext;
import org.broadinstitute.sting.gatk.contexts.ReferenceContext;
import org.broadinstitute.sting.gatk.refdata.*;
import org.broadinstitute.sting.gatk.walkers.RodWalker;
import org.broadinstitute.sting.utils.genotype.vcf.*;
import org.broadinstitute.sting.commandline.Argument;
import java.util.EnumSet;
import java.io.File;
/**
* Test routine for new VariantContext object
*/
public class TestVariantContextWalker extends RodWalker<Integer, Integer> {
@Argument(fullName="takeFirstOnly", doc="Only take the first second at a locus, as opposed to all", required=false)
boolean takeFirstOnly = false;
@Argument(fullName="onlyContextsOfType", doc="Only take variant contexts of this type", required=false)
VariantContext.Type onlyOfThisType = null;
@Argument(fullName="onlyContextsStartinAtCurrentPosition", doc="Only take variant contexts at actually start at the current position, excluding those at span to the current location but start earlier", required=false)
boolean onlyContextsStartinAtCurrentPosition = false;
@Argument(fullName="printPerLocus", doc="If true, we'll psetenv LD_LIBRARY_PATH .:/util/gcc-4.3.0/lib64:/util/gcc-4.3.0/lib/gcc/x86_64-unknown-linux-gnu/4.3.0:/util/gcc-4.3.0/lib/:/util/lib:/broad/tools/Linux/x86_64/pkgs/boost_1.38.0/lib:/humgen/gsa-scr1/GATK_Data/bwarint the variant contexts, in addition to counts", required=false)
boolean printContexts = false;
@Argument(fullName="outputVCF", doc="If provided, we'll convert the first input context into a VCF", required=false)
String outputVCF = null;
private VCFWriter writer = null;
private boolean wroteHeader = false;
public void initialize() {
if ( outputVCF != null )
writer = new VCFWriterImpl(new File(outputVCF));
}
public Integer map(RefMetaDataTracker tracker, ReferenceContext ref, AlignmentContext context) {
if ( ref == null )
return 0;
else {
EnumSet<VariantContext.Type> allowedTypes = onlyOfThisType == null ? null : EnumSet.of(onlyOfThisType);
int n = 0;
for (VariantContext vc : tracker.getAllVariantContexts(ref, allowedTypes, context.getLocation(), onlyContextsStartinAtCurrentPosition, takeFirstOnly) ) {
if ( writer != null && n == 0 ) {
if ( ! wroteHeader ) {
writer.writeHeader(VariantContextAdaptors.createVCFHeader(null, vc));
wroteHeader = true;
}
writer.add(vc, ref.getBase());
}
n++;
if ( printContexts ) out.printf(" %s%n", vc);
}
if ( n > 0 && printContexts ) {
out.printf("%s => had %d variant context objects%n", context.getLocation(), n);
out.printf("---------------------------------------------%n");
}
return n;
}
}
public Integer reduceInit() {
return 0;
}
public Integer reduce(Integer point, Integer sum) {
return point + sum;
}
}