elektron/logging/def/loggerSubject.go

// Copyright (C) 2018 spdf
// 
// This file is part of Elektron.
// 
// Elektron is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// Elektron is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with Elektron.  If not, see <http://www.gnu.org/licenses/>.
// 

package logging

type loggerSubject struct {
	Registry map[LogMessageType][]loggerObserver
	message  string
}

func (ls *loggerSubject) setMessage(message string) {
	ls.message = message
}

func (ls *loggerSubject) attach(messageType LogMessageType, lo loggerObserver) {
	if ls.Registry == nil {
		ls.Registry = make(map[LogMessageType][]loggerObserver)
	}
	ls.Registry[messageType] = append(ls.Registry[messageType], lo)
}

func (ls *loggerSubject) notify(messageType LogMessageType) {
	for _, logObserver := range ls.Registry[messageType] {
		logObserver.Log(ls.message)
	}
}