visad.data.netcdf
Class QuantityDBImpl.Iterator

java.lang.Object
  visad.data.netcdf.QuantityDBImpl.Iterator

All Implemented Interfaces:

Iterator

Direct Known Subclasses:

QuantityDBImpl.NameIterator, QuantityDBImpl.QuantityIterator

Enclosing class:

QuantityDBImpl

protected abstract class QuantityDBImpl.Iterator
extends Object
implements Iterator

Provides support for iterating over the database.

Field Summary

protected Iterator

iterator The private iterator.

Constructor Summary

protected

QuantityDBImpl.Iterator()

Method Summary

protected boolean	doSwitch() Switchs to the other database.
boolean	hasNext()
Object	next()
protected abstract Iterator	nextIterator() Gets the iterator for the successor database.
protected abstract Object	nextObject()
void	remove() Remove the element returned by the last next().

Methods inherited from class java.lang.Object

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

Field Detail

iterator

protected Iterator iterator

The private iterator.

Constructor Detail

QuantityDBImpl.Iterator

protected QuantityDBImpl.Iterator()

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator

nextObject

protected abstract Object nextObject()

next

public Object next()

Specified by:

next in interface Iterator

nextIterator

protected abstract Iterator nextIterator()

Gets the iterator for the successor database.

doSwitch

protected boolean doSwitch()

Switchs to the other database.

Returns:

true if an only if the other database exists and this is the first switch to it.

remove

public void remove()
            throws UnsupportedOperationException

Remove the element returned by the last next().

Specified by:

remove in interface Iterator

Throws:

UnsupportedOperationException - Operation not supported.