/* * GeoTools - The Open Source Java GIS Toolkit * http://geotools.org * * (C) 2011, Open Source Geospatial Foundation (OSGeo) * (C) 2004-2007 Open Geospatial Consortium Inc. * * All Rights Reserved. http://www.opengis.org/legal/ */ package org.opengis.feature; /** * FeatureVisitor interface to allow for container optimised traversal. * <p> * The iterator construct from the Collections api is well understood and * loved, but breaks down for working with large GIS data volumes. By using a * visitor we allow the implementor of a Feature Collection to make use of * additional resources (such as multiple processors or tiled data) * concurrently. * </p> * This interface is most often used for calculations and data * transformations and an implementations may intercept known visitors * (such as "bounds" or reprojection) and engage an alternate work flow. * </p> * @author Cory Horner (Refractions Research, Inc) * * @source $URL: http://svn.osgeo.org/geotools/trunk/modules/library/opengis/src/main/java/org/opengis/feature/FeatureVisitor.java $ */ public interface FeatureVisitor { /** * Visit the provided feature. * <p> * Please consult the documentation for the FeatureCollection you are visiting * to learn more - the provided feature may be invalid, or read only. * @param feature */ void visit(Feature feature); }