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.instructions;
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14 import gnu.trove.map.hash.TIntIntHashMap;
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15 import gnu.trove.set.hash.TIntHashSet;
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17 import org.simantics.db.ReadGraph;
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18 import org.simantics.db.WriteGraph;
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19 import org.simantics.db.exception.DatabaseException;
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20 import org.simantics.mapping.IContextualModification;
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22 public class NotInstruction implements IInstruction {
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23 IInstruction instruction;
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25 public NotInstruction(IInstruction instruction) {
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26 this.instruction = instruction;
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30 public IContextualModification claim(ReadGraph g, Object[] bindings) throws DatabaseException {
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31 return instruction.deny(g, bindings);
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35 public void collectVariables(TIntHashSet reads, TIntHashSet writes) {
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36 instruction.collectVariables(reads, writes);
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40 public IContextualModification deny(ReadGraph g, Object[] bindings) throws DatabaseException {
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41 return instruction.claim(g, bindings);
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45 public void doClaim(WriteGraph g, Object[] bindings) throws DatabaseException {
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46 instruction.doDeny(g, bindings);
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50 public void doDeny(WriteGraph g, Object[] bindings) throws DatabaseException {
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51 instruction.doClaim(g, bindings);
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55 public void mapVariables(TIntIntHashMap map) {
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56 instruction.mapVariables(map);
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60 public Object next(ReadGraph g, Object[] bindings, Object continuation) {
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61 return IInstruction.FAILURE;
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65 public Object query(ReadGraph g, Object[] bindings) throws DatabaseException {
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66 if(instruction.query(g, bindings)==IInstruction.FAILURE)
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69 return IInstruction.FAILURE;
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73 public void toString(StringBuilder b, int indent) {
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75 instruction.toString(b, indent);
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