visad.data.netcdf.in

Class VirtualDataIterator

java.lang.Object

visad.data.netcdf.in.VirtualDataIterator

public abstract class VirtualDataIterator
extends java.lang.Object

Supports iteration over the virtual VisAD data objects in a netCDF dataset.

Constructor Summary

Constructors

Constructor and Description
VirtualDataIterator(View view) Constructs from a view of a netCDF dataset.

Method Summary

Modifier and Type	Method and Description
View	getNetcdf() Gets the view of the netCDF dataset.
boolean	hasNext() Indicates if there's another virtual VisAD data object.
VirtualData	next() Gets the next virtual VisAD data object.

Methods inherited from class java.lang.Object

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

Constructor Detail

VirtualDataIterator

public VirtualDataIterator(View view)

Constructs from a view of a netCDF dataset.

Parameters:

view - A view of a netCDF dataset.

Method Detail

hasNext

public boolean hasNext()
                throws VisADException,
                       java.io.IOException

Indicates if there's another virtual VisAD data object.

Returns:

true <=> hasNext() will return the next virtual VisAD data object.

Throws:

VisADException - Couldn't create necessary VisAD object.

java.io.IOException - I/O failure.

next

public VirtualData next()
                 throws BadFormException,
                        java.util.NoSuchElementException,
                        VisADException,
                        java.io.IOException

Gets the next virtual VisAD data object. The next object will be either a VirtualScalar, a VirtualField, or a VirtualFlatField.

Returns:

The next virtual VisAD data object.

Throws:

BadFormException - Non-conforming netCDF dataset.

java.util.NoSuchElementException - No more virtual VisAD data objects.

java.io.IOException - I/O failure.

VisADException

getNetcdf

public View getNetcdf()

Gets the view of the netCDF dataset.