swarm.defobj
Class SymbolImpl

java.lang.Object
  |
  +--swarm.defobj.SymbolImpl

public class SymbolImpl
extends Object
implements CreateS, Create, GetNameS, GetName, SymbolS, Symbol

Object defined as a distinct global id constant.. A Symbol is an object created with a fixed name. It has no behavior except to get the name with which it was created. A Symbol is typically used to define unique id values which are assigned to global constant names. These names, capitalized according to the recommended convention for global object constants, are used by some libraries as flags or enumerated value codes in arguments or return values of messages. Ordinarily, a symbol is created with its character string name matching the global id constant to which it is assigned. These global program constants can then provide a minimal level of self documentation as objects. Subtypes of Symbol can extend the base of a named, global id constant to establish further components of a global, constant definition. A symbol is fully creatable using standard Create messages. A character string name must be supplied for any new symbol; there is no default. Symbol inherits the getName message, which returns the symbol name.


Constructor Summary
SymbolImpl()
           
SymbolImpl(Zone aZone)
          Default constructor for Impl class
SymbolImpl(Zone aZone, String name)
          create:setName: is a combination message defined as a caller convenience.
 
Methods implemented by this class for interface swarm.defobj.GetName
getName
 
Methods implemented by this class for interface swarm.defobj.DefinedObject
compare, describe, describeID, getDisplayName, getTypeName, getZone, perform, perform$with, perform$with$with, perform$with$with$with, respondsTo, setDisplayName, xfprint, xfprintid, xprint, xprintid
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SymbolImpl

public SymbolImpl()

SymbolImpl

public SymbolImpl(Zone aZone,
                  String name)
create:setName: is a combination message defined as a caller convenience. See combination messages for a summary of conventions on combination messages.

SymbolImpl

public SymbolImpl(Zone aZone)
Default constructor for Impl class