/**
* <copyright>
* Copyright (c) 2010-2014 Henshin developers. All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
* </copyright>
*/
package org.eclipse.emf.henshin.interpreter.matching.constraints;
/**
* Interface for unary constraints.
*
* @author Enrico Biermann Christian Krause
*/
public interface UnaryConstraint extends Constraint {
/**
* Evaluates this constraint on the given domain slot. Unary constraints may
* be checked at any time.
* @param slot The domain slot the constraint will be evaluated on.
* @return <code>true</code>, if the constraint is valid.
*/
boolean check(DomainSlot slot);
}