public boolean foundAllTargets() {
    if (this.getIOContext().getComparison() == null ||
        !stopComparisons.contains(this.getIOContext().getComparison())) {
      return false;
    }

    return true;
  }
Returns true if the current comparison is in the list of stop comparisons, i.e. we've found
all records which won't be filtered
@return true if the current comparison is found
ql/src/java/org/apache/hadoop/hive/ql/io/HiveContextAwareRecordReader.java