att.grappa
Interface GraphEnumeration

All Superinterfaces:

java.util.Enumeration

All Known Implementing Classes:

Subgraph.Enumerator

public interface GraphEnumeration
extends java.util.Enumeration

An extension of the Enumeration interface specific to enumerations of graph elements.

Version:

1.2, 21 Aug 2005; Copyright 1996 - 2005 by AT&T Corp.

Author:

John Mocenigo, Research @ AT&T Labs

Method Summary

int	getEnumerationTypes() Get the types of elements possibly contained in this enumeration.
Subgraph	getSubgraphRoot() Get the root of this enumeration.
Element	nextGraphElement() A convenience method that should just return a cast of a call to nextElement()

Methods inherited from interface java.util.Enumeration

hasMoreElements, nextElement

Method Detail

getSubgraphRoot

Subgraph getSubgraphRoot()

Get the root of this enumeration.

Returns:

the root subgraph for this enumeration

getEnumerationTypes

int getEnumerationTypes()

Get the types of elements possibly contained in this enumeration.

Returns:

an indication of the types of elements in this enumeration

See Also:

GrappaConstants.NODE, GrappaConstants.EDGE, GrappaConstants.SUBGRAPH

nextGraphElement

Element nextGraphElement()
                         throws java.util.NoSuchElementException

A convenience method that should just return a cast of a call to nextElement()

Returns:

the next graph element in the enumeration

Throws:

java.util.NoSuchElementException - whenever the enumeration has no more elements.