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.mapping.constraint.instructions.AndInstruction;
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18 import org.simantics.mapping.constraint.instructions.IInstruction;
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19 import org.simantics.utils.datastructures.persistent.ImmutableSet;
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21 public class ConstraintConjunction implements IConstraint {
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23 IConstraint[] constraints;
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25 public ConstraintConjunction(IConstraint... constraints) {
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26 this.constraints = constraints;
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30 public ImmutableSet<Resource> binds() {
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31 ImmutableSet<Resource> ret = ImmutableSet.empty();
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32 for(IConstraint c : constraints)
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33 ret = ret.addAll(c.binds());
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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 IInstruction[] instructions = new IInstruction[constraints.length];
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42 for(int i=0;i<constraints.length;++i) {
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43 instructions[i] = constraints[i].createInstruction(variableIds, bound);
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44 bound = bound.addAll(constraints[i].binds());
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46 return new AndInstruction(instructions);
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50 public int isApplicable(ImmutableSet<Resource> bound) {
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51 int ret = Integer.MAX_VALUE;
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52 for(int i=0;i<constraints.length;++i) {
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53 int temp = constraints[i].isApplicable(bound);
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59 bound = bound.addAll(constraints[i].binds());
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