salvo.jesus.graph

Class LabeledGraphComponentImpl

java.lang.Object

salvo.jesus.graph.LabeledGraphComponentImpl

All Implemented Interfaces:

Serializable, Comparable, GraphComponent, LabeledGraphComponent

Direct Known Subclasses:

LabeledEdgeImpl

public class LabeledGraphComponentImpl
extends Object
implements LabeledGraphComponent, Comparable

LabeledGraphComponentImpl provides a default implementation for LabeledGraphComponent. Once a label is assigned, it can never be reassigned for the lifetime of the component.

Author:

John V. Sichi

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
LabeledGraphComponentImpl()

Method Summary

Modifier and Type	Method and Description
int	compareTo(Object o)
String	getLabel()
boolean	hasLabel()
void	setLabel(String label) Set the label on this component.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

LabeledGraphComponentImpl

public LabeledGraphComponentImpl()

Method Detail

compareTo

public int compareTo(Object o)

Specified by:

compareTo in interface Comparable

setLabel

public void setLabel(String label)

Description copied from interface: LabeledGraphComponent

Set the label on this component. In many cases, attempting to reassign a label after one has already been set will cause an assertion failure.

Specified by:

setLabel in interface LabeledGraphComponent

Parameters:

label - the new label to assign to the component

hasLabel

public boolean hasLabel()

Specified by:

hasLabel in interface LabeledGraphComponent

Returns:

does this component have a label? In some graphs, labeling may be optional, in which case this method may return true for some or all components.

getLabel

public String getLabel()

Specified by:

getLabel in interface LabeledGraphComponent

Returns:

the label associated with this component; if hasLabel() returns false, the result of getLabel() is undefined

toString

public String toString()

Overrides:

toString in class Object