/*
* Geopaparazzi - Digital field mapping on Android based devices
* Copyright (C) 2016 HydroloGIS (www.hydrologis.com)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package eu.geopaparazzi.library.forms.constraints;
/**
* An interface for constraints.
*
* @author Andrea Antonello (www.hydrologis.com)
*/
public interface IConstraint {
/**
* Applies the current filter to the supplied value.
*
* @param value the value to check.
*/
public void applyConstraint(Object value);
/**
* Getter for the constraint's result.
*
* @return <code>true</code> if the constraint applies.
*/
public boolean isValid();
/**
* Getter for the description of the constraint.
*
* @return the description of the constraint.
*/
public String getDescription();
}