001/*
002 * The contents of this file are subject to the terms of the Common Development and
003 * Distribution License (the License). You may not use this file except in compliance with the
004 * License.
005 *
006 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
007 * specific language governing permission and limitations under the License.
008 *
009 * When distributing Covered Software, include this CDDL Header Notice in each file and include
010 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
011 * Header, with the fields enclosed by brackets [] replaced by your own identifying
012 * information: "Portions copyright [year] [name of copyright owner]".
013 *
014 * Copyright 2014-2015 ForgeRock AS.
015 */
016
017package org.forgerock.json.resource.examples;
018
019import static org.forgerock.json.resource.examples.DemoUtils.*;
020
021import org.forgerock.json.resource.Connection;
022import org.forgerock.json.resource.ConnectionFactory;
023import org.forgerock.json.resource.Requests;
024import org.forgerock.json.resource.ResourceException;
025import org.forgerock.json.resource.ResourceResponse;
026
027/**
028 * An example client application which performs an asynchronous read, modify,
029 * write update cycle for a resource in an in memory resource container. This
030 * example does not require any command line arguments.
031 */
032public final class ReadModifyWriteDemo {
033
034    private ReadModifyWriteDemo() {
035        // No implementation.
036    }
037
038    /**
039     * Main method.
040     *
041     * @param args
042     *            The command line arguments: this example does not have any.
043     * @throws ResourceException
044     *             If an unexpected error occurred.
045     */
046    public static void main(final String[] args) throws ResourceException {
047        try (final ConnectionFactory server = getConnectionFactory();
048             final Connection connection = server.getConnection()) {
049            log("Reading resource");
050            final ResourceResponse before = connection.read(ctx(), Requests.newReadRequest("users/1"));
051            log("Resource read and has revision " + before.getRevision());
052            log("Updating resource");
053            final ResourceResponse after =
054                    connection.update(ctx(), Requests.newUpdateRequest("users/1",
055                            userAliceWithIdAndRev(1, 1)));
056            log("Updated resource now has revision " + after.getRevision());
057        }
058    }
059
060}