Package dap4.servlet

Class Odometer

java.lang.Object

dap4.servlet.Odometer

All Implemented Interfaces:

Iterator<ucar.ma2.Index>

Direct Known Subclasses:

MultiOdometer, ScalarOdometer

public class Odometer
extends Object
implements Iterator<ucar.ma2.Index>

A classic implementation of an odometer taken from the netcdf-c code. Extended to provide iterator interface

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	Odometer.STATE

Field Summary

Fields

Modifier and Type	Field	Description
protected List<dap4.core.dmr.DapDimension>	dimset
protected long[]	endpoint
protected dap4.dap4lib.D4Index	index
protected int	rank
protected List<dap4.core.util.Slice>	slices
protected Odometer.STATE	state

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Odometer()
	Odometer(List<dap4.core.util.Slice> set, List<dap4.core.dmr.DapDimension> dimset)

Method Summary

Modifier and Type	Method	Description
List<dap4.core.util.Slice>	getSlices()
List<Odometer>	getSubOdometers()
boolean	hasNext()
long	index()	Compute the linear index from the current odometer indices.
dap4.dap4lib.D4Index	indices()	Return current set of indices
boolean	isMulti()
boolean	isScalar()
dap4.dap4lib.D4Index	next()
int	rank()	Return odometer rank
void	remove()
protected void	reset()
dap4.core.util.Slice	slice(int i)	Return ith slice
int	step(int firstpos, int lastpos)
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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

state

protected Odometer.STATE state

rank

protected int rank

slices

protected List<dap4.core.util.Slice> slices

dimset

protected List<dap4.core.dmr.DapDimension> dimset

index

protected dap4.dap4lib.D4Index index

endpoint

protected long[] endpoint

Constructor Detail

Odometer

protected Odometer()

Odometer

public Odometer(List<dap4.core.util.Slice> set,
                List<dap4.core.dmr.DapDimension> dimset)
         throws dap4.core.util.DapException

Throws:

dap4.core.util.DapException

Method Detail

reset

protected void reset()

toString

public String toString()

Overrides:

toString in class Object

rank

public int rank()

Return odometer rank

slice

public dap4.core.util.Slice slice(int i)

Return ith slice

getSlices

public List<dap4.core.util.Slice> getSlices()

index

public long index()

Compute the linear index from the current odometer indices.

indices

public dap4.dap4lib.D4Index indices()

Return current set of indices

totalSize

public long totalSize()

Compute the total number of elements.

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<ucar.ma2.Index>

next

public dap4.dap4lib.D4Index next()

Specified by:

next in interface Iterator<ucar.ma2.Index>

remove

public void remove()

Specified by:

remove in interface Iterator<ucar.ma2.Index>

step

public int step(int firstpos,
                int lastpos)

getSubOdometers

public List<Odometer> getSubOdometers()

isMulti

public boolean isMulti()

isScalar

public boolean isScalar()