joshua.lattice.Arc< Label > Class Reference

Collaboration diagram for joshua.lattice.Arc< Label >:

List of all members.

Public Member Functions
	Arc (Node< Label > head, Node< Label > tail, double cost, Label label)
double	getCost ()
Node< Label >	getHead ()
Node< Label >	getTail ()
Label	getLabel ()
String	toString ()
Package Attributes
final double	cost
final Node< Label >	head
final Node< Label >	tail
final Label	label

---

Detailed Description

An arc in a directed graph.

Author:

Lane Schwartz

Since:

2008-07-08

Version:

$LastChangedDate$

Parameters:

Label

Type of label associated with an arc.

---

Constructor & Destructor Documentation

joshua.lattice.Arc< Label >.Arc	(	Node< Label >	head,
		Node< Label >	tail,
		double	cost,
		Label	label
	)

Creates an arc with the specified head, tail, cost, and label.

Parameters:

head	The node where this arc begins.
tail	The node where this arc ends.
cost	The cost of this arc.
label	The label associated with this arc.

---

Member Function Documentation

double joshua.lattice.Arc< Label >.getCost

(

)

Gets the cost of this arc.

Returns:

The cost of this arc.

Node<Label> joshua.lattice.Arc< Label >.getHead

(

)

Gets the head of this arc (the node where this arc begins).

Returns:

The head of this arc.

Label joshua.lattice.Arc< Label >.getLabel

(

)

Gets the label associated with this arc.

Returns:

The label associated with this arc.

Node<Label> joshua.lattice.Arc< Label >.getTail

(

)

Gets the tail of this arc (the node where this arc ends).

Returns:

The tail of this arc.

String joshua.lattice.Arc< Label >.toString

(

)

---

Member Data Documentation

final double joshua.lattice.Arc< Label >.cost [package]

Weight of this arc. Package-private scope so that Node and Lattice can quickly access this variable.

final Node<Label> joshua.lattice.Arc< Label >.head [package]

Node where this arc begins. Package-private scope so that Node and Lattice can quickly access this variable.

final Label joshua.lattice.Arc< Label >.label [package]

Label associated with this arc. Package-private scope so that Node and Lattice can quickly access this variable.

final Node<Label> joshua.lattice.Arc< Label >.tail [package]

Node where this arc ends. Package-private scope so that Node and Lattice can quickly access this variable.