/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.controller.access.constraint;
import org.jboss.as.controller.access.Action;
/**
* A constraint that can help govern whether access is allowed.
*
* @author Brian Stansberry (c) 2013 Red Hat Inc.
*/
public interface Constraint {
/**
* Gets whether this constraint violates another constraint
*
* @param other the other constraint
* @param actionEffect the effect being evaluated
*
* @return {@code true} if the combination of constraints is a violation
*/
boolean violates(Constraint other, Action.ActionEffect actionEffect);
/**
* Gets whether this constraint is equivalent to and can thus replace another constraint
* in a {@link org.jboss.as.controller.access.permission.ManagementPermission}.
*
* @param other the other constraint
* @return {@code true} if replacement is valid
*/
boolean replaces(Constraint other);
}