event.hpp

深入浅出设计模式（书配套c++源代码)。包含20个设计模式的c++实现。

#ifndef	_HFDP_CPP_BUILDER_EVENT_HPP_
#define _HFDP_CPP_BUILDER_EVENT_HPP_

namespace HeadFirstDesignPatterns {
namespace Builder {

class Event : public EventComponent {

	private: mutable std::vector< EventComponent* > _events;
	private: std::string _name;
	private: std::string _description;
  
	public: Event( const std::string name, const std::string description ) : 
		_name( name ), _description( description ) {
	}
	public: ~Event() {
		std::vector< EventComponent* >::iterator iterator = _events.begin();
		while( iterator != _events.end() ) {
			delete *( iterator  );
			iterator++;
		}
		_events.clear();
	}
 	public: EventComponent* add( EventComponent* event ) {
		_events.push_back( event );
		return event;
	}
 	public: void remove( EventComponent* event ) {
		std::remove( _events.begin(), _events.end(), event );
	}
	public: int getChildCount() const {
		return static_cast< int >( _events.size() );
	}
 	public: EventComponent* getChild( int i ) const {
		return _events[i];
	}
 	public: std::string getDescription() const {
		return _description;
	}
	public: std::string getName() const {
		return _name;
	}
	public: void print() const {
		std::cout << "  " << getName().c_str();
		std::cout << ", " << getDescription().c_str() << std::endl;

		std::vector< EventComponent* >::iterator iterator = _events.begin();
		while( iterator != _events.end() ) {
			EventComponent* event = *iterator++;
			event->print();
		}
	}
};

} // namespace Builder
} // namespace HeadFirstDesignPatterns

#endif