/******************************************************************************* * Copyright (c) 2007, 2010 Association for Decentralized Information Management * in Industry THTH ry. * 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 * * Contributors: * VTT Technical Research Centre of Finland - initial API and implementation *******************************************************************************/ package org.simantics.db.layer0.variable; import org.simantics.databoard.binding.Binding; import org.simantics.db.ReadGraph; import org.simantics.db.WriteGraph; import org.simantics.db.exception.DatabaseException; public interface EquationExpression { boolean isInvertible(ReadGraph graph, Variable property) throws DatabaseException; void invert(WriteGraph graph, Variable property, T value, Binding binding) throws DatabaseException; }