ucar.nc2.iosp

Class IndexChunker.Chunk

java.lang.Object

ucar.nc2.iosp.IndexChunker.Chunk

All Implemented Interfaces:

Layout.Chunk

Enclosing class:

IndexChunker

public static class IndexChunker.Chunk
extends Object
implements Layout.Chunk

A chunk of data that is contiguous in both the source and destination. Everything is done in elements, not bytes. Read nelems from src at srcPos, store in destination at destPos.

Constructor Summary

Constructors

Constructor and Description
Chunk(long srcElem, int nelems, long destElem)

Method Summary

Modifier and Type	Method and 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	getSrcElem() Get the position in source where to read or write
long	getSrcPos() Get the position in source where to read or write: eg "file position"
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Chunk

public Chunk(long srcElem,
             int nelems,
             long destElem)

Method Detail

getSrcElem

public long getSrcElem()

Get the position in source where to read or write

Returns:

position as an element count

getNelems

public int getNelems()

Description copied from interface: Layout.Chunk

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

Specified by:

getNelems in interface Layout.Chunk

getDestElem

public long getDestElem()

Description copied from interface: Layout.Chunk

Get starting element position as a 1D element index into the destination, eg the requested array with shape "wantSection".

Specified by:

getDestElem in interface Layout.Chunk

Returns:

starting element in the array (Note: elements, not bytes)

toString

public String toString()

Overrides:

toString in class Object

getSrcPos

public long getSrcPos()

Description copied from interface: Layout.Chunk

Get the position in source where to read or write: eg "file position"

Specified by:

getSrcPos in interface Layout.Chunk