Poco

template < class TArgs >

class AbstractDelegate

Library: Foundation
Package: Events
Header: Poco/AbstractDelegate.h

Description

Base class for Delegate and Expire.

Member Summary

Member Functions: clone, disable, equals, notify, operator =, unwrap

Constructors

AbstractDelegate

AbstractDelegate() = default;

AbstractDelegate

AbstractDelegate(
    const AbstractDelegate & param150
) = default;

Destructor

~AbstractDelegate virtual

virtual ~AbstractDelegate() = default;

Member Functions

clone virtual

virtual AbstractDelegate * clone() const = 0;

Returns a deep copy of the AbstractDelegate.

disable virtual

virtual void disable() = 0;

Disables the delegate, which is done prior to removal.

equals virtual

virtual bool equals(
    const AbstractDelegate & other
) const = 0;

Compares the AbstractDelegate with the other one for equality.

notify virtual

virtual bool notify(
    const void * sender,
    TArgs & arguments
) = 0;

Invokes the delegate's callback function. Returns true if successful, or false if the delegate has been disabled or has expired.

operator =

AbstractDelegate & operator = (
    const AbstractDelegate & param151
) = default;

unwrap virtual inline

virtual const AbstractDelegate * unwrap() const;

Returns the unwrapped delegate. Must be overridden by decorators like Expire.