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A set of command line tools (in Java) for manipulating high-throughput sequencing (HTS) data and formats such as SAM/BAM/CRAM and VCF.
/*
* The MIT License
*
* Copyright (c) 2015 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.filter;
import htsjdk.samtools.AlignmentBlock;
import htsjdk.samtools.SAMRecord;
import htsjdk.samtools.filter.SamRecordFilter;
/**
* A SamRecordFilter that counts the number of bases in the reads which it filters out. Abstract and designed
* to be sub-classed to implement the desired filter. The filterOut method will count the number of records
* and bases that would be filtered out using the result of the reallyFilterOut method.
*/
public abstract class CountingFilter implements SamRecordFilter {
private long filteredRecords = 0;
private long filteredBases = 0;
/** Gets the number of records that have been filtered out thus far. */
public long getFilteredRecords() { return this.filteredRecords; }
/** Gets the number of bases that have been filtered out thus far. */
public long getFilteredBases() { return this.filteredBases; }
@Override
public final boolean filterOut(final SAMRecord record) {
final boolean filteredOut = reallyFilterOut(record);
if (filteredOut) {
++filteredRecords;
for (final AlignmentBlock block : record.getAlignmentBlocks()) {
this.filteredBases += block.getLength();
}
}
return filteredOut;
}
/**
* Return true if we are to filter this record out, false otherwise.
*/
abstract public boolean reallyFilterOut(final SAMRecord record);
@Override
public boolean filterOut(final SAMRecord first, final SAMRecord second) {
throw new UnsupportedOperationException();
}
}