/* * The JTS Topology Suite is a collection of Java classes that * implement the fundamental operations required to validate a given * geo-spatial data set to a known topological specification. * * Copyright (C) 2001 Vivid Solutions * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * For more information, contact: * * Vivid Solutions * Suite #1A * 2328 Government Street * Victoria BC V8T 5G5 * Canada * * (250)385-6040 * www.vividsolutions.com */ package com.revolsys.geometry.test.geomop; import com.revolsys.geometry.model.Geometry; import com.revolsys.geometry.test.testrunner.Result; /** * Interface for classes which execute operations on {@link Geometry}s. * The arguments may be presented as Strings, even if they * should be calling a method with non-String arguments. * Geometry will always be supplied as Geometry objects, however. * This interface abstracts out the invocation of a method * on a Geometry during a Test. Subclasses can provide substitute * or additional methods during runs of the same test file. * * @author Martin Davis * @version 1.7 */ public interface GeometryOperation { /** * Gets the class of the return type of the given operation. * * @param opName the name of the operation * @return the class of the return type of the specified operation */ public Class getReturnType(String opName); /** * Invokes an operation on a {@link Geometry}. * * @param opName name of the operation * @param geometry the geometry to process * @param args the arguments to the operation (which may be typed as Strings) * @return the result of the operation * @throws Exception if some error was encountered trying to find or process the operation */ Result invoke(String opName, Geometry geometry, Object[] args) throws Exception; }