/* * GeoTools - The Open Source Java GIS Toolkit * http://geotools.org * * (C) 2005-2008, 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.feature.collection; import java.util.NoSuchElementException; import org.opengis.feature.simple.SimpleFeature; import org.opengis.feature.simple.SimpleFeatureType; import org.geotools.feature.FeatureCollection; /** * Access Feature content using Feature "Id". * <p> * Many FeatureCollection<SimpleFeatureType, SimpleFeature> classes will make use of this * API to avoid unnecessary caching of content. Supporting * this interface will allow SubCollections to occur based * on FeatureIds, with a suitable improvement in memory * consumption. * </p> * <p> * For an addition improvement in memory comsumption SubCollections * may use of a sparse reprsentation where only (beginId,endId] ranges * are kept in memory. * </p> * @author Jody Garnett, Refractions Research Inc. * @source $URL$ */ public interface RandomFeatureAccess extends FeatureCollection<SimpleFeatureType, SimpleFeature> { /** * Access Feature content by feature id. * * @param id * @return Feature with the indicated or id * @throws NoSuchElementException if a Feature with the indicated id is not present */ public SimpleFeature getFeatureMember(String id) throws NoSuchElementException; /** Optional Method */ public SimpleFeature removeFeatureMember(String id); }