/**
* If a read ends in INSERTION, returns the last element length.
*
* <p>Warning: If the read has Hard or Soft clips after the insertion this function will return 0.
*
* @param read
* @return the length of the last insertion, or 0 if there is none (see warning).
*/
public static final int getLastInsertionOffset(SAMRecord read) {
CigarElement e = read.getCigar().getCigarElement(read.getCigarLength() - 1);
if (e.getOperator() == CigarOperator.I) return e.getLength();
else return 0;
}
