market element whose value depends on two other market element More...
#include <ql/quotes/compositequote.hpp>
Public Member Functions | |
CompositeQuote (const Handle< Quote > &element1, const Handle< Quote > &element2, const BinaryFunction &f) | |
inspectors | |
Real | value1 () const |
Real | value2 () const |
Quote interface | |
Real | value () const |
returns the current value | |
bool | isValid () const |
returns true if the Quote holds a valid value | |
Observer interface | |
void | update () |
![]() | |
Observable (const Observable &) | |
Observable & | operator= (const Observable &) |
void | notifyObservers () |
![]() | |
Observer (const Observer &) | |
Observer & | operator= (const Observer &) |
std::pair< std::set < boost::shared_ptr < Observable > >::iterator, bool > | registerWith (const boost::shared_ptr< Observable > &) |
Size | unregisterWith (const boost::shared_ptr< Observable > &) |
void | unregisterWithAll () |
market element whose value depends on two other market element
|
virtual |
This method must be implemented in derived classes. An instance of Observer does not call this method directly: instead, it will be called by the observables the instance registered with when they need to notify any changes.
Implements Observer.