@Override public MatchCode match(Cell cell) throws IOException { if (filter != null && filter.filterAllRemaining()) { return MatchCode.DONE_SCAN; } MatchCode returnCode = preCheck(cell); if (returnCode != null) { return returnCode; } long timestamp = cell.getTimestamp(); byte typeByte = cell.getTypeByte(); // For a raw scan, we do not filter out any cells by delete marker, and delete marker is also // returned, so we do not need to track delete. return matchColumn(cell, timestamp, typeByte); }
public static UserScanQueryMatcher create(Scan scan, ScanInfo scanInfo, NavigableSet<byte[]> columns, long oldestUnexpiredTS, long now, RegionCoprocessorHost regionCoprocessorHost) throws IOException { boolean hasNullColumn = !(columns != null && columns.size() != 0 && columns.first().length != 0); Pair<DeleteTracker, ColumnTracker> trackers = getTrackers(regionCoprocessorHost, columns, scanInfo, oldestUnexpiredTS, scan); DeleteTracker deleteTracker = trackers.getFirst(); ColumnTracker columnTracker = trackers.getSecond(); if (scan.isRaw()) { return RawScanQueryMatcher.create(scan, scanInfo, columnTracker, hasNullColumn, oldestUnexpiredTS, now); } else { return NormalUserScanQueryMatcher.create(scan, scanInfo, columnTracker, deleteTracker, hasNullColumn, oldestUnexpiredTS, now); } } }