package de.lmu.ifi.dbs.elki.utilities.optionhandling.constraints;
/*
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
Interface for specifying global parameter constraints, i.e. constraints addressing * several parameters. *
*Each class specifying a global parameter constraint should implement this interface. * The parameters to be tested should be defined as private attributes and should be * initialized in the respective constructor of the class, i.e. they are parameters of the constructor. * The proper constraint test should be implemented in the method {@link #test()}. *
* @author Steffi Wanka * */ public interface GlobalParameterConstraint { /** * Checks if the respective parameters satisfy the parameter constraint. If not, * a parameter exception is thrown. * * @throws ParameterException if the parameters don't satisfy the parameter constraint. */ public abstract void test() throws ParameterException; /** * Returns a description of this global constraint. * * @return a description of this global constraint */ public abstract String getDescription(); }