/* * This is part of Geomajas, a GIS framework, http://www.geomajas.org/. * * Copyright 2008-2015 Geosparc nv, http://www.geosparc.com/, Belgium. * * The program is available in open source according to the GNU Affero * General Public License. All contributions in this program are covered * by the Geomajas Contributors License Agreement. For full licensing * details, see LICENSE.txt in the project root. */ package org.geomajas.gwt.client.widget.attribute; /** * An {@link AttributeProvider} provides all possible attribute values of an association attribute. This is usually done * by calling the server, so a call back mechanism is needed. * * @author Jan De Moerloose */ public interface AttributeProvider { /** * Get all attributes and provide the results to the specified call-back object. * * @param callBack the call-back object */ void getAttributes(AttributeProviderCallBack callBack); /** * Create an attribute provider for given attribute name. * * @param attributeName attribute name * @return attribute provider */ AttributeProvider createProvider(String attributeName); }