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.db.common.primitiverequest;
14 import org.simantics.db.ReadGraph;
15 import org.simantics.db.Resource;
16 import org.simantics.db.adaption.AdaptionService;
17 import org.simantics.db.common.request.BinaryRead;
18 import org.simantics.db.exception.DatabaseException;
19 import org.simantics.db.exception.ServiceException;
21 final public class Adapter<T> extends BinaryRead<Resource,Class<T>,T> {
23 public Adapter(Resource resource, Class<T> clazz) {
24 super(resource, clazz);
28 public T perform(ReadGraph graph) throws DatabaseException {
30 final AdaptionService service = graph.peekService(AdaptionService.class);
31 if (service == null) throw new ServiceException("No AdaptionService available");
33 return service.adapt(graph, parameter, parameter, Resource.class, parameter2, false);
38 public String toString() {
39 return "Adapter for resource " + parameter.getResourceId() + " as " + parameter2.getName();