/*
* Copyright (c) 2005-2016 Vincent Vandenschrick. All rights reserved.
*
* This file is part of the Jspresso framework.
*
* Jspresso is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Jspresso 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Jspresso. If not, see <http://www.gnu.org/licenses/>.
*/
package org.jspresso.framework.util.event;
import java.util.Set;
/**
* Source of value change events.
*
* @author Vincent Vandenschrick
*/
public interface IValueChangeSource {
/**
* Adds a new listener to this connector.
*
* @param listener
* The added listener.
*/
void addValueChangeListener(IValueChangeListener listener);
/**
* Removes a new {@code IValueChangeListener}.
*
* @param listener
* The removed listener.
*/
void removeValueChangeListener(IValueChangeListener listener);
/**
* Gets the registered {@code IValueChangeListener}s.
*
* @return the registered {@code IValueChangeListener}s.
*/
Set<IValueChangeListener> getValueChangeListeners();
}