iotagent-node-lib/lib/asyncUtils.js

IoT Agent library to interface with NGSI Context Broker

/*
 * Copyright 2014 Telefonica Investigación y Desarrollo, S.A.U
 *
 * This file is part of fiware-iotagent-lib
 *
 * fiware-iotagent-lib is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * fiware-iotagent-lib is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with fiware-iotagent-lib.
 * If not, see http://www.gnu.org/licenses/.
 *
 * For those usages not covered by the GNU Affero General Public License
 * please contact with::daniel.moranjimenez@telefonica.com
 */

/**
 * Convenience method to use with async, for extracting an attribute from an entity.
 *
 * @param {String} name         Name of the attribute to extract.
 * @param {Object} body         Object from where to extract the value.
 */
function extractField(name, body, callback) {
    callback(null, body[name]);
}

exports.extract = extractField;