/**
* Copyright (c) 2011-2014, OpenIoT
*
* This file is part of OpenIoT.
*
* OpenIoT 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, version 3 of the License.
*
* OpenIoT 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 OpenIoT. If not, see <http://www.gnu.org/licenses/>.
*
* Contact: OpenIoT mailto: info@openiot.eu
* @author gsn_devs
* @author Mehdi Riahi
*/
package org.openiot.gsn.beans.windowing;
import org.openiot.gsn.beans.StreamElement;
import org.openiot.gsn.beans.StreamSource;
public interface SlidingHandler {
public void addStreamSource(StreamSource streamSource);
public void removeStreamSource(StreamSource streamSource);
public boolean dataAvailable(StreamElement streamElement);
public boolean isInterestedIn(StreamSource streamSource);
public long getOldestTimestamp();
public void dispose();
}