Mercurial > dive4elements > gnv-client
view gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/services/requestobjects/Layer.java @ 1145:dfe1ac687c7f tip
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author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Fri, 28 Sep 2012 12:16:15 +0200 |
parents | f953c9a559d8 |
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/* * Copyright (c) 2010 by Intevation GmbH * * This program is free software under the LGPL (>=v2.1) * Read the file LGPL.txt coming with the software for details * or visit http://www.gnu.org/licenses/ if it does not exist. */ package de.intevation.gnv.artifacts.services.requestobjects; /** * This is the inteface description of a <code>Layer</code>. Currently, there * are four methods defined here:<br> * <ol> * <li>getName(): Returns the name of this layer.</li> * <li>getID(): Returns the id of this layer.</li> * <li>isGroupLayer(): Returns true, if this layer contains child layers.</li> * <li>parentID(): Returns the id of the parent layer if this layer is a * group layer.</li> * </ol> * * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a> * */ public interface Layer { /** * Returns the name of this layer. * @return the name of this layer. */ String getName(); /** * Returns the id of this layer. * @return the id of this layer. */ String getID(); /** * Returns true if the Layer is an GroupLayer * @return true, if this layer is a group layer - otherwise false. */ boolean isGroupLayer(); /** * Returned the ID of the Parent Layer. * Only if the Layer is a Child-Layer. * If this Layer is an Root-Layer null will be returned. * @return the id of the parent. */ String parentID(); } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :