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

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

All Implemented Interfaces:

ObjectIterator, PositionIterator, VertexIterator

public class VertexIteratorAdapter
extends java.lang.Object
implements VertexIterator

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

Version:

JDSL 2.1.1

Author:

Mark Handy

Constructor Summary

VertexIteratorAdapter(ObjectIterator pi)

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

VertexIteratorAdapter

public VertexIteratorAdapter(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

nextVertex

public Vertex nextVertex()

Specified by:

nextVertex in interface VertexIterator

Returns:

Next vertex 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()

vertex

public Vertex vertex()

Specified by:

vertex in interface VertexIterator

Returns:

The vertex 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