]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.mapping/src/org/simantics/mapping/constraint/IConstraint.java
(refs #7250) Error messages for undefined existentials
[simantics/platform.git] / bundles / org.simantics.mapping / src / org / simantics / mapping / constraint / IConstraint.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.mapping.constraint;
13
14 import gnu.trove.map.hash.TObjectIntHashMap;
15
16 import org.simantics.db.Resource;
17 import org.simantics.mapping.constraint.instructions.IInstruction;
18 import org.simantics.utils.datastructures.persistent.ImmutableSet;
19
20 public interface IConstraint {
21         /**
22          * 
23          * @param bound
24          * @return 0 if not applicable
25          *        >0 if applicable, bigger is better
26          */
27         int isApplicable(ImmutableSet<Resource> bound);
28         ImmutableSet<Resource> binds();
29         IInstruction createInstruction(
30                         TObjectIntHashMap<Resource> variableIds, 
31                         ImmutableSet<Resource> bound) throws TooManyUnboundVariablesException;
32 }