NodeSequence (Geotools modules 31-SNAPSHOT API)

All Known Implementing Classes:

Cycle, Path, Walk
```
public interface NodeSequence
```
Represents a sequence of nodes in a graph.

Author:

Justin Deoliveira, Refractions Research Inc, jdeolive@refractions.net

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Node`	`getFirst()`	Returns the first node in the sequence.
`Node`	`getLast()`	Returns the last node in the sequence.
`boolean`	`isValid()`	Determines if the node sequence id valid based on the rules of the implementation.
`Iterator`	`iterator()`	Returns an iterator over the nodes.
`int`	`size()`	Returns the number of nodes in the sequence.

- Method Detail
  - getFirst
```
Node getFirst()
```
    Returns the first node in the sequence.
    
    Returns:
    
    Object of tupe Node.
  - getLast
```
Node getLast()
```
    Returns the last node in the sequence.
    
    Returns:
    
    Object of type node.
  - size
```
int size()
```
    Returns the number of nodes in the sequence.
    
    Returns:
    
    an integer representing the number of nodes in the sequence.
  - iterator
```
Iterator iterator()
```
    Returns an iterator over the nodes.
    
    Returns:
    
    An iterator.
  - isValid
```
boolean isValid()
```
    Determines if the node sequence id valid based on the rules of the implementation.
    
    Returns:
    
    True if valid, otherwise false.