001    // $HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/wcs/configuration/Extension.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2008 by:
006     EXSE, Department of Geography, University of Bonn
007     http://www.giub.uni-bonn.de/deegree/
008     lat/lon GmbH
009     http://www.lat-lon.de
010    
011     This library is free software; you can redistribute it and/or
012     modify it under the terms of the GNU Lesser General Public
013     License as published by the Free Software Foundation; either
014     version 2.1 of the License, or (at your option) any later version.
015    
016     This library is distributed in the hope that it will be useful,
017     but WITHOUT ANY WARRANTY; without even the implied warranty of
018     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
019     Lesser General Public License for more details.
020    
021     You should have received a copy of the GNU Lesser General Public
022     License along with this library; if not, write to the Free Software
023     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
024    
025     Contact:
026    
027     Andreas Poth
028     lat/lon GmbH
029     Aennchenstr. 19
030     53115 Bonn
031     Germany
032     E-Mail: poth@lat-lon.de
033    
034     Prof. Dr. Klaus Greve
035     Department of Geography
036     University of Bonn
037     Meckenheimer Allee 166
038     53115 Bonn
039     Germany
040     E-Mail: greve@giub.uni-bonn.de
041    
042     
043     ---------------------------------------------------------------------------*/
044    package org.deegree.ogcwebservices.wcs.configuration;
045    
046    
047    /**
048     * 
049     * 
050     * @version $Revision: 9345 $
051     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
052     * @author last edited by: $Author: apoth $
053     * 
054     * @version $Revision: 9345 $, $Date: 2007-12-27 17:22:25 +0100 (Do, 27 Dez 2007) $
055     */
056    public interface Extension {
057    
058        final String FILEBASED = "file";
059    
060        final String NAMEINDEXED = "nameIndexed";
061    
062        final String SHAPEINDEXED = "shapeIndexed";
063        
064        final String DATABASEINDEXED = "databaseIndexed";
065    
066        final String ORACLEGEORASTER = "OracleGeoRaster";
067    
068        /**
069         * returns the type of the coverage source that is described be an extension
070         * 
071         * @return the type of the coverage source that is described be an extension
072         */
073        String getType();
074    
075        /**
076         * returns the minimum scale of objects that are described by an <tt>Extension</tt> object
077         * 
078         * @return the minimum scale of objects that are described by an <tt>Extension</tt> object
079         */
080        double getMinScale();
081    
082        /**
083         * returns the maximum scale of objects that are described by an <tt>Extension</tt> object
084         * 
085         * @return the maximum scale of objects that are described by an <tt>Extension</tt> object
086         */
087        double getMaxScale();
088        
089        /**
090         * returns the offset of the data. 0 will be returned if no offset is
091         * defined. Data first must be divided by the scale factor (@see #getScaleFactor()) 
092         * before sustracting the offset
093         * 
094         * @return
095         */
096        double getOffset();
097        
098        /**
099         * returns the scale factor of the data. If no scale factor is defined
100         * 1 will be returned. Data first must be divided by the scale factor 
101         * (@see #getScaleFactor()) before sustracting the offset
102         * @return
103         */
104        double getScaleFactor();
105    
106        /**
107         * returns all <tt>Resolution</tt>s. If no <tt>Resolution</tt> can be found for the passed
108         * scale an empty array will be returned.
109         * 
110         * @param scale
111         *            scale the returned resolutions must fit
112         * 
113         * @return <tt>Resolution</tt>s matching the passed scale
114         */
115        Resolution[] getResolutions();
116    
117        /**
118         * returns the <tt>Resolution</tt>s matching the passed scale. If no <tt>Resolution</tt>
119         * can be found for the passed scale an empty array will be returned.
120         * 
121         * @param scale
122         *            scale the returned resolutions must fit
123         * 
124         * @return <tt>Resolution</tt>s matching the passed scale
125         */
126        Resolution[] getResolutions( double scale );
127    
128        /**
129         * @param resolution
130         */
131        void addResolution( Resolution resolution );
132    
133    }