synchronized void add(Range failedRange) { LOG.warn("FailedRange:" + failedRange); if (divide != null) { LOG.warn( "FailedRange:" + failedRange + " test:" + divide.test + " pass:" + divide.testPassed); if (divide.testPassed) { // test range passed // other range would be bad. test it failedRange = divide.other; } else { // test range failed // other range would be good. failedRange = divide.test; } // reset divide = null; } if (maxSkipRecords == 0 || failedRange.getLength() <= maxSkipRecords) { skipRanges.add(failedRange); } else { // start dividing the range to narrow down the skipped // records until maxSkipRecords are met OR all attempts // get exhausted divide = new Divide(failedRange); } }
Divide(Range range) { long half = range.getLength() / 2; test = new Range(range.getStartIndex(), half); other = new Range(test.getEndIndex(), range.getLength() - half); // construct the skip range from the skipRanges skipRange = new SortedRanges(); for (Range r : skipRanges.getRanges()) { skipRange.add(r); } skipRange.add(new Range(0, test.getStartIndex())); skipRange.add(new Range(test.getEndIndex(), (Long.MAX_VALUE - test.getEndIndex()))); }