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 java.util.function.Consumer;
16 import org.simantics.db.AsyncReadGraph;
17 import org.simantics.db.ReadGraph;
18 import org.simantics.db.Resource;
21 * An interface for externalizing the logic of retrieving an arbitrary resource
25 * A {@link ReadGraph} is provided to allow implementations to browse the graph
26 * in order to retrieve a resource.
30 * This interface has a synchronously operating counterpart, {@link ResourceProvider}.
33 * @see ResourceProviders
34 * @see ResourceProvider
36 * @author Tuukka Lehtonen
38 public interface AsyncResourceProvider {
41 * @param graph an asynchronous graph for retrieving the resource to return
42 * @param callback a callback that is invoked with the provided resource
44 void get(AsyncReadGraph graph, Consumer<Resource> callback);