Package ucar.nc2.iosp

Interface Layout.Chunk

All Known Subinterfaces:
LayoutBB.Chunk
All Known Implementing Classes:
IndexChunker.Chunk
Enclosing interface:
Layout
public static interface Layout.Chunk
A chunk of data that is contiguous in both the source and destination. Read nelems from src at filePos, store in destination at startElem. (or) Write nelems to file at filePos, from array at startElem.

  • Method Summary

    Modifier and Type
    Method
    Description
    long
    getDestElem()
    Get starting element position as a 1D element index into the destination, eg the requested array with shape "wantSection".
    int
    getNelems()
    Get number of elements to transfer contiguously (Note: elements, not bytes)
    long
    getSrcPos()
    Get the position in source where to read or write: "file position"

  • Method Details

    • getSrcPos

      long getSrcPos()
      Get the position in source where to read or write: "file position"
      Returns:
      position as a byte count into the source, eg a file

    • getNelems

      int getNelems()
      Get number of elements to transfer contiguously (Note: elements, not bytes)
      Returns:
      number of elements to transfer

    • getDestElem

      long getDestElem()
      Get starting element position as a 1D element index into the destination, eg the requested array with shape "wantSection".
      Returns:
      starting element in the array (Note: elements, not bytes)