1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.mapping.rule.instructions;
14 import gnu.trove.map.hash.TIntIntHashMap;
15 import gnu.trove.set.hash.TIntHashSet;
17 import java.util.Arrays;
19 import org.simantics.db.ReadGraph;
20 import org.simantics.db.WriteGraph;
21 import org.simantics.db.exception.DatabaseException;
22 import org.simantics.layer0.utils.triggers.IModification;
23 import org.simantics.mapping.IContextualModification;
24 import org.simantics.mapping.constraint.instructions.IInstruction;
26 public class DenyRuleInstruction implements IRuleInstruction {
28 IInstruction instruction;
30 public DenyRuleInstruction(IInstruction instruction) {
31 this.instruction = instruction;
35 public IModification execute(ReadGraph g, Object[] bindings) throws DatabaseException {
36 final IContextualModification modi = instruction.deny(g, bindings);
38 final Object[] curBindings = Arrays.copyOf(bindings, bindings.length);
39 return new IModification() {
42 public void perform(WriteGraph g) throws DatabaseException {
43 modi.perform(g, curBindings);
52 public void doExecute(WriteGraph g, Object[] bindings) throws DatabaseException {
53 instruction.doDeny(g, bindings);
57 public void collectVariables(TIntHashSet reads, TIntHashSet writes) {
58 instruction.collectVariables(reads, writes);
62 public void mapVariables(TIntIntHashMap map) {
63 instruction.mapVariables(map);
67 public void toString(StringBuilder b, int indent) {
69 instruction.toString(b, indent+1);