package de.lmu.ifi.dbs.elki.data.synthetic.bymodel;

/*
 This file is part of ELKI:
 Environment for Developing KDD-Applications Supported by Index-Structures

 Copyright (C) 2013
 Ludwig-Maximilians-Universität München
 Lehr- und Forschungseinheit für Datenbanksysteme
 ELKI Development Team

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Affero 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 Affero General Public License for more details.

 You should have received a copy of the GNU Affero General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * Interface for a dynamic cluster generator.
 * 
 * A cluster generator is considered dynamic when it allows "rejecting" points
 * and the generation of additional new points.
 * 
 * @author Erich Schubert
 */
public interface GeneratorInterfaceDynamic extends GeneratorInterface {
  /**
   * Get number of discarded points
   * 
   * @return number of discarded points
   */
  public int getDiscarded();

  /**
   * Retrieve remaining number of retries.
   * 
   * @return remaining number of retries
   */
  public int getRetries();

  /**
   * Increment the number of elements discarded.
   */
  public void incrementDiscarded();
}