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Class jdsl.core.ref.AlwaysInvalidLocator 

java.lang.Object
   |
   +----jdsl.core.ref.AlwaysInvalidLocator
public class AlwaysInvalidLocator
extends Object
implements Locator
A Locator that explodes, no matter what you do to it. It is used as the return from methods that return a locator but that sometimes have an error return.

Version:
Tue Jun 23 17:18:54 EDT 1998
Author:
Mark Handy

Variable Index

o label_

Constructor Index

o AlwaysInvalidLocator(String)
Class Constructor.

Method Index

o container()
Throws an InvalidLocatorException when an attempt is made to access the container of this locator.
o element()
Throws an InvalidLocatorException when an attempt is made to access the element of this locator.
o isContained()
Throws an InvalidLocatorException when an attempt is made to find out if this locator is contained or not.
o key()
Throws an InvalidLocatorException when an attempt is made to access the key of this locator.
o toString()
Returns a string representation of this AlwaysInvalidLocator.

Variables

o label_ 
 protected String label_

Constructors

o AlwaysInvalidLocator 
 public AlwaysInvalidLocator(String label)
Class Constructor.

Parameters:
label - Why this locator was created.

Methods

o key 
 public Object key()
Throws an InvalidLocatorException when an attempt is made to access the key of this locator.

Returns:
nothing, since an exception is always thrown.
o element 
 public Object element()
Throws an InvalidLocatorException when an attempt is made to access the element of this locator.

Returns:
nothing, since an exception is always thrown.
o container 
 public Container container()
Throws an InvalidLocatorException when an attempt is made to access the container of this locator.

Returns:
nothing, since an exception is always thrown.
o isContained 
 public boolean isContained()
Throws an InvalidLocatorException when an attempt is made to find out if this locator is contained or not.

Returns:
nothing, since an exception is always thrown.
o toString 
 public String toString()
Returns a string representation of this AlwaysInvalidLocator.

Returns:
a string representating this Locator.
Overrides:
toString in class Object 
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