]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/EquationExpression.java
possibleObjectForType utility
[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / variable / EquationExpression.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
3  * in Industry THTH ry.
4  * All rights reserved. This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License v1.0
6  * which accompanies this distribution, and is available at
7  * http://www.eclipse.org/legal/epl-v10.html
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.db.layer0.variable;
13
14 import org.simantics.databoard.binding.Binding;
15 import org.simantics.db.ReadGraph;
16 import org.simantics.db.WriteGraph;
17 import org.simantics.db.exception.DatabaseException;
18
19 public interface EquationExpression {
20
21         boolean isInvertible(ReadGraph graph, Variable property) throws DatabaseException;
22         <T> void invert(WriteGraph graph, Variable property, T value, Binding binding) throws DatabaseException;
23         
24 }