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 }