edu.cmu.sphinx.trainer

Class Node

java.lang.Object

edu.cmu.sphinx.trainer.Node

public class Node
extends java.lang.Object

Defines the basic Node for any graph A generic graph Node must have a list of outgoing edges and an identifier.

Method Summary

Modifier and Type	Method and Description
void	addIncomingEdge(Edge edge) Method to add an incoming edge.
void	addOutgoingEdge(Edge edge) Method to add an outgoing edge.
java.lang.String	getID() Returns the ID of a node.
java.lang.Object	getObject() Retrieves the object associated with this node.
NodeType	getType() Returns type of a node.
boolean	hasMoreIncomingEdges() Whether there are more incoming edges.
boolean	hasMoreOutgoingEdges() Whether there are more outgoing edges.
int	incomingEdgesSize() Returns the size of the incoming edges list.
boolean	isType(java.lang.String type) Method to check the type of a node.
Edge	nextIncomingEdge() Returns the next incoming edge to this node.
Edge	nextOutgoingEdge() Returns the next outgoing edge from this node.
int	outgoingEdgesSize() Returns the size of the outgoing edges list.
void	print() Prints out this node.
void	setObject(java.lang.Object object) Assign an object to this node.
void	startIncomingEdgeIterator() Start iterator for incoming edges.
void	startOutgoingEdgeIterator() Start iterator for outgoing edges.
boolean	validate() Validade node.

Methods inherited from class java.lang.Object

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

Method Detail

setObject

public void setObject(java.lang.Object object)

Assign an object to this node.

Parameters:

object - the object to assign

getObject

public java.lang.Object getObject()

Retrieves the object associated with this node.

Returns:

the object

addIncomingEdge

public void addIncomingEdge(Edge edge)

Method to add an incoming edge. Note that we do not check if the destination node of the incoming edge is identical to this node

Parameters:

edge - the incoming edge

startIncomingEdgeIterator

public void startIncomingEdgeIterator()

Start iterator for incoming edges.

hasMoreIncomingEdges

public boolean hasMoreIncomingEdges()

Whether there are more incoming edges.

Returns:

if true, there are more incoming edges

nextIncomingEdge

public Edge nextIncomingEdge()

Returns the next incoming edge to this node.

Returns:

the next edge incoming edge

incomingEdgesSize

public int incomingEdgesSize()

Returns the size of the incoming edges list.

Returns:

the number of incoming edges

addOutgoingEdge

public void addOutgoingEdge(Edge edge)

Method to add an outgoing edge. Note that we do not check if the source node of the outgoing edge is identical to this node

Parameters:

edge - the outgoing edge

startOutgoingEdgeIterator

public void startOutgoingEdgeIterator()

Start iterator for outgoing edges.

hasMoreOutgoingEdges

public boolean hasMoreOutgoingEdges()

Whether there are more outgoing edges.

Returns:

if true, there are more outgoing edges

nextOutgoingEdge

public Edge nextOutgoingEdge()

Returns the next outgoing edge from this node.

Returns:

the next outgoing edge

outgoingEdgesSize

public int outgoingEdgesSize()

Returns the size of the outgoing edges list.

Returns:

the number of outgoing edges

isType

public boolean isType(java.lang.String type)

Method to check the type of a node.

Parameters:

type - to compare to

Returns:

if true, this node is of the type specified

getType

public NodeType getType()

Returns type of a node.

Returns:

returns the type of this node

getID

public java.lang.String getID()

Returns the ID of a node. Typically, a string representing a word or a phoneme.

Returns:

this node's ID

validate

public boolean validate()

Validade node. Checks if all nodes have at least one incoming and one outgoing edge.

Returns:

if true, node passed validation

print

public void print()

Prints out this node.