com.alexmerz.graphviz.objects
Class Id

java.lang.Object
  com.alexmerz.graphviz.objects.Id

public class Id
extends java.lang.Object

This object is used to identify graphs and nodes Note, that an object may contain an id or a label.

Version:

$Id: Id.java,v 1.3 2006/03/20 16:45:41 Alexander Exp $

Author:

Alexander Merz

Constructor Summary

Id()

Method Summary

java.lang.String	getId() Returns the Id of the object Empty string means, that this object has no Id.
java.lang.String	getLabel() Returns the label of the object
boolean	isEqual(Id eid) Compares the Ids.
void	setId(java.lang.String id) Sets the object id.
void	setLabel(java.lang.String label) Sets the label of the object
java.lang.String	toString() Returns the String representation of this Id

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Id

public Id()

Method Detail

getId

public java.lang.String getId()

Returns the Id of the object Empty string means, that this object has no Id.

Returns:

the object id

setId

public void setId(java.lang.String id)

Sets the object id. An empty string deletes the Id.

Parameters:

id -

getLabel

public java.lang.String getLabel()

Returns the label of the object

Returns:

the object label

setLabel

public void setLabel(java.lang.String label)

Sets the label of the object

Parameters:

label -

toString

public java.lang.String toString()

Returns the String representation of this Id

Overrides:

toString in class java.lang.Object

Returns:

the string representation

isEqual

public boolean isEqual(Id eid)

Compares the Ids. Two Id objects are equal, if

• both are the same, or
• Id and Label attribute are equal
• both ids are empty and the labels are equal

Parameters:

eid -

Returns:

true if both Ids are equal