es.uam.eps.ir.relison.diffusion.expiration.ExpirationMechanism Maven / Gradle / Ivy
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/*
* Copyright (C) 2020 Information Retrieval Group at Universidad Autónoma
* de Madrid, http://ir.ii.uam.es
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package es.uam.eps.ir.relison.diffusion.expiration;
import es.uam.eps.ir.relison.diffusion.data.Data;
import es.uam.eps.ir.relison.diffusion.simulation.UserState;
import java.io.Serializable;
import java.util.stream.Stream;
/**
* Interface for checking the expiration of the information pieces.
*
* @author Javier Sanz-Cruzado ([email protected])
* @author Pablo Castells ([email protected])
*
* @param type of the users
* @param type of the information
* @param type of the parameters.
*/
public interface ExpirationMechanism
{
/**
* Obtains the information that has expired in the current iteration.
* @param user UserState to check.
* @param data The full data.
* @param numIter Current iteration.
* @param timestamp moment of time represented by the iteration.
* @return A stream with the identifiers of all the received information pieces
* that have expired.
*/
Stream expire(UserState user, Data data, int numIter, Long timestamp);
}