Package 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	Description
Chunk(long srcElem, int nelems, long destElem)

Method Summary

Modifier and Type	Method	Description
long	getDestElem()	Get the position in destination where to read or write
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: "file position"
void	incrDestElem(int incr)
void	incrSrcElem(int incr)
void	incrSrcPos(int incr)
void	setDestElem(long destElem)
void	setNelems(int nelems)
void	setSrcElem(long srcElem)
void	setSrcPos(long srcPos)
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

Chunk

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

Method Details

getSrcElem

public long getSrcElem()

Get the position in source where to read or write

Returns:

position as an element count

setSrcElem

public void setSrcElem(long srcElem)

incrSrcElem

public void incrSrcElem(int incr)

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

Returns:

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

setNelems

public void setNelems(int nelems)

getDestElem

public long getDestElem()

Get the position in destination where to read or write

Specified by:

getDestElem in interface Layout.Chunk

Returns:

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

setDestElem

public void setDestElem(long destElem)

incrDestElem

public void incrDestElem(int incr)

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: "file position"

Specified by:

getSrcPos in interface Layout.Chunk

Returns:

position as a byte count into the source, eg a file

setSrcPos

public void setSrcPos(long srcPos)

incrSrcPos

public void incrSrcPos(int incr)