public static List<StoreFileScanner> getScannersForStoreFiles(Collection<HStoreFile> files,
    boolean cacheBlocks, boolean usePread, boolean isCompaction, boolean useDropBehind, long readPt)
    throws IOException {
    return getScannersForStoreFiles(files, cacheBlocks, usePread, isCompaction, useDropBehind, null,
      readPt);
  }
Return an array of scanners corresponding to the given set of store files.
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreFileScanner.java