class ConstChannel

(Return to index)

Abstract interface for read-only access to variable.

Class ConstChannel allows access to an arbitrary double value.

Type:	Abstract
Include file:	./Channels/ConstChannel.hh

Inheritance

Synopsis (including inherited members):

• Public members:
  • ConstChannel () ;
  • virtual ~ConstChannel () ;
  • virtual ConstChannel* clone ()const = 0 ;
  • virtual bool get (double&)const = 0 ;
  • operator double ()const ;
  • virtual bool isSettable ()const ;

Documentation:

• Public members:

  virtual ConstChannel* clone ()const = 0 ;

  Duplicate the channel.

  virtual bool get (double&)const = 0 ;

  Read channel.
  If the channel can be read, set value and return true, otherwise return false.

  operator double ()const ;

  Read channel. Check if settable.
  Return the value read from the channel. Return false for this class (channel cannot be set).