bundles/org.simantics.mapping/src/org/simantics/mapping/constraint/IConstraint.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.mapping.constraint;\r
  13 \r
  14 import gnu.trove.map.hash.TObjectIntHashMap;\r
  15 \r
  16 import org.simantics.db.Resource;\r
  17 import org.simantics.mapping.constraint.instructions.IInstruction;\r
  18 import org.simantics.utils.datastructures.persistent.ImmutableSet;\r
  19 \r
  20 public interface IConstraint {\r
  21         /**\r
  22          * \r
  23          * @param bound\r
  24          * @return 0 if not applicable\r
  25          *        >0 if applicable, bigger is better\r
  26          */\r
  27         int isApplicable(ImmutableSet<Resource> bound);\r
  28         ImmutableSet<Resource> binds();\r
  29         IInstruction createInstruction(\r
  30                         TObjectIntHashMap<Resource> variableIds, \r
  31                         ImmutableSet<Resource> bound) throws TooManyUnboundVariablesException;\r
  32 }\r