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.modeling.mapping;
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14 import org.simantics.db.ReadGraph;
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15 import org.simantics.db.Resource;
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16 import org.simantics.db.WriteGraph;
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17 import org.simantics.db.exception.DatabaseException;
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18 import org.simantics.layer0.utils.predicates.UnaryTest;
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20 public class Tag extends UnaryTest {
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24 public Tag(Resource tag) {
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29 public boolean has(ReadGraph g, Resource r) throws DatabaseException {
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30 return g.hasStatement(r, tag);
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34 public void add(WriteGraph g, Resource r) throws DatabaseException {
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35 if(!g.hasStatement(r, tag))
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40 public void remove(WriteGraph g, Resource r) throws DatabaseException {
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