/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* 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;
* version 2.1 of the License.
*
* 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.
*/
package org.geotools.graph.io;
import org.geotools.graph.structure.Graph;
/**
* Reads and writes features to and from some permanent form.
*
* @author Justin Deoliveira, Refractions Research Inc, jdeolive@refractions.net
*
* @source $URL$
*/
public interface GraphReaderWriter {
/**
* Sets a property for the reader/writer.
*
* @param name Name of the property.
* @param obj Value of the property.
*/
public void setProperty(String name, Object obj);
/**
* Returns a property for the reader/writer. This method will return null
* if the property has not been set with a call to setProperty(String,Object).
*
* @param name Name of the property.
* @return Value of the property or null if the property is undefined.
*/
public Object getProperty(String name);
/**
* Creates a Graph from some permanent representation.
*
* @return The represented graph.
*
* @throws Exception
*/
public Graph read() throws Exception;
/**
* Writes the graph to a permanent representation.
*
* @param g The graph to be
* @throws Exception
*/
public void write(Graph g) throws Exception;
}