/*******************************************************************************
* gMix open source project - https://svs.informatik.uni-hamburg.de/gmix/
* Copyright (C) 2014 SVS
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*******************************************************************************/
package staticContent.framework.observer;
// must be implemented by "Subjects" (cf. Observer Pattern), i.e. instances
// that are supposed to notify other instances ("Observers") about changes of
// of the subject
// the types of changes to notify about must be specified in a interface of
// type <T extends LocalEventListener>
public interface ObservationSubject<T extends LocalEventListener> {
public void registerEventListener(T eventListener);
public boolean unregisterEventListener(T eventListener);
}