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Class simset.Linkage 

java.lang.Object
   |
   +----simset.Linkage
public class Linkage
extends java.lang.Object
This class is used for representing the linkages of a circular two-way list.

Class Linkage contains basic linking attributes for forming lists. It is a base class of class Link and class Head.

A Link object represents a list item, whereas a Head object represents the start and end of a list.

See Also:
simset.Link, simset.Head

Constructor Index

o Linkage()

Method Index

o pred()
Returns the item in the list before this Linkage.
o prev()
Returns the Linkage object before this one, whether this is a Link object, a Head object or null.
o suc()
Returns the item in the list after this Linkage.

Constructors

o Linkage 
 public Linkage()

Methods

o pred 
 public final simset.Link pred()
Returns the item in the list before this Linkage.

Returns:
If this Linkage is a Link, its predecessor item in the list is returned. If this Linkage is a Head, the last item in the list is returned.
o suc 
 public final simset.Link suc()
Returns the item in the list after this Linkage.

Returns:
If this Linkage is a Link, its predecessor item in the list is returned. If this Linkage is a Head, the first item in the list is returned.
o prev 
 public final simset.Linkage prev()
Returns the Linkage object before this one, whether this is a Link object, a Head object or null.

Returns:
If this Linkage is a Link and not a member of any list, null is returned. If this Linkage is the first item in a list, the corresponding Head object. If this Linkage is a Head, the last item in the list. 
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