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.provider;
14 import org.simantics.db.ReadGraph;
15 import org.simantics.db.Resource;
18 * An interface for externalizing the logic of retrieving an arbitrary resource
22 * A {@link ReadGraph} is provided to allow implementations to browse the graph
23 * in order to retrieve a resource.
27 * This interface has an asynchronously operating counterpart, {@link AsyncResourceProvider}.
30 * @see ResourceProviders
31 * @see AsyncResourceProvider
33 * @author Tuukka Lehtonen
35 public interface ResourceProvider {
38 * @param graph a graph for retrieving the resource to return
39 * @return the provided resource
41 Resource get(ReadGraph graph);