1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.mapping.constraint;
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14 import gnu.trove.map.hash.TObjectIntHashMap;
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16 import org.simantics.db.Resource;
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17 import org.simantics.layer0.utils.predicates.IUnaryPredicate;
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18 import org.simantics.mapping.constraint.instructions.IInstruction;
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19 import org.simantics.mapping.constraint.instructions.UnaryPredicateInstruction;
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20 import org.simantics.utils.datastructures.persistent.ImmutableSet;
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22 public class UnaryPredicateConstraint implements IConstraint {
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25 IUnaryPredicate predicate;
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27 public UnaryPredicateConstraint(IUnaryPredicate predicate, Resource variable0) {
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28 this.predicate = predicate;
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29 this.variable0 = variable0;
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33 public ImmutableSet<Resource> binds() {
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34 return ImmutableSet.of(variable0);
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38 public IInstruction createInstruction(
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39 TObjectIntHashMap<Resource> variableIds,
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40 ImmutableSet<Resource> bound) throws TooManyUnboundVariablesException {
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41 if(!bound.contains(variable0))
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42 throw new TooManyUnboundVariablesException();
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43 return new UnaryPredicateInstruction(variableIds.get(variable0), predicate);
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47 public int isApplicable(ImmutableSet<Resource> bound) {
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48 return bound.contains(variable0) ? Integer.MAX_VALUE : 0;
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