# Methods

`-hasNext`
`-initForGraph`
`-initForGraph:usingIdIterator:`
`-next`

### hasNext

>     - (BOOL) hasNext;

method result
  returns YES if there is at least a datum at the current iteration step

### initForGraph

See Also:

> initForGraph:usingIdIterator:

>     - initForGraph: (FTGraphImpl *) aGraph usingIdIterator: (id <ECIterator>) anIdIterator;

##### Parameter Descriptions

> `aGraph`
>   graph to examine
> `anIdIterator`
>   iterator over all node identifiers of this graph

method result
  self

### initForGraph:usingIdIterator:

See Also:

> initForGraph

>     - initForGraph: (FTGraphImpl *) aGraph usingIdIterator: (id <ECIterator>) anIdIterator;

##### Parameter Descriptions

> `aGraph`
>   graph to examine
> `anIdIterator`
>   iterator over all node identifiers of this graph

### next

>     - next;

method result
  returns the next object of the set to iterate or nil, if not existent

(Last Updated August 27, 2006)