dap4.core.util

Class Odometer

java.lang.Object

dap4.core.util.Odometer

All Implemented Interfaces:

Iterator<Boolean>

Direct Known Subclasses:

Odometer.ScalarOdometer

public class Odometer
extends Object
implements Iterator<Boolean>

A classic implementation of an odometer taken from the netcdf-c code.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Odometer.ScalarOdometer

Field Summary

Fields

Modifier and Type	Field and Description
protected long[]	count
protected long[]	declsize
protected DapDimension[]	dimset
protected long[]	first
protected long[]	index
protected int	rank
protected long[]	stop
protected long[]	stride

Constructor Summary

Constructors

Constructor and Description
Odometer()
Odometer(List<DapDimension> dimset)
Odometer(List<Slice> set, List<DapDimension> dimset)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	fill(int i, long first, long stop, long stride)
long[]	getIndices() Get the current set of indices
static Odometer.ScalarOdometer	getScalarOdometer()
boolean	hasNext()
long	index() Compute the linear index from the current odometer indices.
Boolean	next()
void	remove()
protected void	setDeclsizes(List<DapDimension> dimset)
protected void	setup(int rank)
String	toString()
long	totalSize() Compute the total number of elements.

Methods inherited from class java.lang.Object

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

Field Detail

rank

protected int rank

first

protected long[] first

stop

protected long[] stop

stride

protected long[] stride

count

protected long[] count

declsize

protected long[] declsize

dimset

protected DapDimension[] dimset

index

protected long[] index

Constructor Detail

Odometer

public Odometer()

Odometer

public Odometer(List<DapDimension> dimset)
         throws DapException

Throws:

DapException

Odometer

public Odometer(List<Slice> set,
        List<DapDimension> dimset)
         throws DapException

Throws:

DapException

Method Detail

getScalarOdometer

public static Odometer.ScalarOdometer getScalarOdometer()

setDeclsizes

protected void setDeclsizes(List<DapDimension> dimset)
                     throws DapException

Throws:

DapException

fill

protected void fill(int i,
        long first,
        long stop,
        long stride)

setup

protected void setup(int rank)

toString

public String toString()

Overrides:

toString in class Object

index

public long index()

Compute the linear index from the current odometer indices.

totalSize

public long totalSize()

Compute the total number of elements.

getIndices

public long[] getIndices()

Get the current set of indices

Returns:

current set of indices

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<Boolean>

next

public Boolean next()

Specified by:

next in interface Iterator<Boolean>

remove

public void remove()

Specified by:

remove in interface Iterator<Boolean>