nz.ac.waikato.jdsl.graph.ref
Class EdgeIteratorAdapter

java.lang.Object
  nz.ac.waikato.jdsl.graph.ref.EdgeIteratorAdapter

All Implemented Interfaces:

ObjectIterator, PositionIterator, EdgeIterator

public class EdgeIteratorAdapter
extends java.lang.Object
implements EdgeIterator

Takes an ObjectIterator known to be iterating over things that are edges, and makes it appear as an EdgeIterator.

Version:

JDSL 2.1.1

Author:

Mark Handy

Constructor Summary

EdgeIteratorAdapter(ObjectIterator pi)

Method Summary

Edge	edge()
java.lang.Object	element() Shortcut for position().element().
boolean	hasNext()
Edge	nextEdge()
java.lang.Object	nextObject()
Position	nextPosition()
java.lang.Object	object()
Position	position()
void	reset() Puts the iterator back in its initial, before-the-first state

Methods inherited from class java.lang.Object

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

Constructor Detail

EdgeIteratorAdapter

public EdgeIteratorAdapter(ObjectIterator pi)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface ObjectIterator

Returns:

Whether there is at least one object still unseen

nextObject

public java.lang.Object nextObject()

Specified by:

nextObject in interface ObjectIterator

Returns:

Next object to consider

nextPosition

public Position nextPosition()

Specified by:

nextPosition in interface PositionIterator

Returns:

Next position to consider

nextEdge

public Edge nextEdge()

Specified by:

nextEdge in interface EdgeIterator

Returns:

Next edge to consider

object

public java.lang.Object object()

Specified by:

object in interface ObjectIterator

Returns:

The object returned by the most recent next()

position

public Position position()

Specified by:

position in interface PositionIterator

Returns:

The position returned by the most recent next()

edge

public Edge edge()

Specified by:

edge in interface EdgeIterator

Returns:

The edge returned by the most recent next()

element

public java.lang.Object element()

Description copied from interface: PositionIterator

Shortcut for position().element(). Same as the inherited object() method.

Specified by:

element in interface PositionIterator

Returns:

Element of the position that would be returned by position()

reset

public void reset()

Description copied from interface: ObjectIterator

Puts the iterator back in its initial, before-the-first state

Specified by:

reset in interface ObjectIterator