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/*
* esodata - data structures and other things, of varying utility
* Copyright 2022, Ben Culkin
*
* 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 <https://www.gnu.org/licenses/>.
*/
package bjc.esodata;
/**
* Interface for a double-sided object.
*
* @author bjculkin
*
*/
public interface DoubleSided {
/**
* Flips the object.
*
* The active side becomes inactive, and the inactive side becomes active.
*/
void flip();
/**
* Check which side of the object is active;
*
* @return True if the front side is active, false otherwise.
*/
boolean currentSide();
}
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