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.rule.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 java.util.Arrays;
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19 import org.simantics.db.ReadGraph;
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20 import org.simantics.db.WriteGraph;
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21 import org.simantics.db.exception.DatabaseException;
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22 import org.simantics.layer0.utils.triggers.IModification;
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23 import org.simantics.mapping.IContextualModification;
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24 import org.simantics.mapping.constraint.instructions.IInstruction;
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26 public class DenyRuleInstruction implements IRuleInstruction {
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28 IInstruction instruction;
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30 public DenyRuleInstruction(IInstruction instruction) {
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31 this.instruction = instruction;
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35 public IModification execute(ReadGraph g, Object[] bindings) throws DatabaseException {
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36 final IContextualModification modi = instruction.deny(g, bindings);
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38 final Object[] curBindings = Arrays.copyOf(bindings, bindings.length);
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39 return new IModification() {
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42 public void perform(WriteGraph g) throws DatabaseException {
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43 modi.perform(g, curBindings);
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52 public void doExecute(WriteGraph g, Object[] bindings) throws DatabaseException {
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53 instruction.doDeny(g, bindings);
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57 public void collectVariables(TIntHashSet reads, TIntHashSet writes) {
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58 instruction.collectVariables(reads, writes);
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62 public void mapVariables(TIntIntHashMap map) {
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63 instruction.mapVariables(map);
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67 public void toString(StringBuilder b, int indent) {
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69 instruction.toString(b, indent+1);
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