001    // $HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/ogcwebservices/wcs/configuration/Extension.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2006 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: 6576 $
051     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
052     * @author last edited by: $Author: apoth $
053     * 
054     * @version $Revision: 6576 $, $Date: 2007-04-10 21:52:44 +0200 (Di, 10 Apr 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 ORACLEGEORASTER = "OracleGeoRaster";
065    
066        /**
067         * returns the type of the coverage source that is described be an extension
068         * 
069         * @return the type of the coverage source that is described be an extension
070         */
071        String getType();
072    
073        /**
074         * returns the minimum scale of objects that are described by an <tt>Extension</tt> object
075         * 
076         * @return the minimum scale of objects that are described by an <tt>Extension</tt> object
077         */
078        double getMinScale();
079    
080        /**
081         * returns the maximum scale of objects that are described by an <tt>Extension</tt> object
082         * 
083         * @return the maximum scale of objects that are described by an <tt>Extension</tt> object
084         */
085        double getMaxScale();
086        
087        /**
088         * returns the offset of the data. 0 will be returned if no offset is
089         * defined. Data first must be divided by the scale factor (@see #getScaleFactor()) 
090         * before sustracting the offset
091         * 
092         * @return
093         */
094        double getOffset();
095        
096        /**
097         * returns the scale factor of the data. If no scale factor is defined
098         * 1 will be returned. Data first must be divided by the scale factor 
099         * (@see #getScaleFactor()) before sustracting the offset
100         * @return
101         */
102        double getScaleFactor();
103    
104        /**
105         * returns all <tt>Resolution</tt>s. If no <tt>Resolution</tt> can be found for the passed
106         * scale an empty array will be returned.
107         * 
108         * @param scale
109         *            scale the returned resolutions must fit
110         * 
111         * @return <tt>Resolution</tt>s matching the passed scale
112         */
113        Resolution[] getResolutions();
114    
115        /**
116         * returns the <tt>Resolution</tt>s matching the passed scale. If no <tt>Resolution</tt>
117         * can be found for the passed scale an empty array will be returned.
118         * 
119         * @param scale
120         *            scale the returned resolutions must fit
121         * 
122         * @return <tt>Resolution</tt>s matching the passed scale
123         */
124        Resolution[] getResolutions( double scale );
125    
126        /**
127         * @param resolution
128         */
129        void addResolution( Resolution resolution );
130    
131    }