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.layer0.utils.property.providers;
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14 import java.util.Collection;
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16 import org.simantics.db.ReadGraph;
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17 import org.simantics.db.Resource;
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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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22 public interface IPropertyProvider {
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24 Object get(ReadGraph graph, Resource resource, Resource... relations) throws DatabaseException;
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26 void set(WriteGraph graph, Object value, Resource resource, Resource... relations) throws DoesNotHaveProperty, DatabaseException;
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28 Collection<Resource[]> provides(ReadGraph graph);
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32 public interface IPropertyProvider {
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33 IProperty getProperty(String name);
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34 IProperty getProperty(Resource resource);
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35 Collection<IProperty> getProperties();
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38 public interface IProperty {
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40 Object get(ReadGraph graph, Resource subject);
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41 void set(WriteGraph graph, Resource subject, Object value);
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44 public class SimpleProperty implements IProperty {
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48 public Object get(ReadGraph graph, Resource subject) {
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49 return graph.getRelatedValue(subject, relation);
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53 public void set(WriteGraph graph, Resource subject, Object value) {
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54 // TODO Auto-generated method stub
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