001    // $Header:
002    // /cvsroot/deegree/src/org/deegree/ogcwebservices/getcapabilities/Contents.java,v
003    // 1.1 2004/06/23 11:55:40 mschneider Exp $
004    /*----------------    FILE HEADER  ------------------------------------------
005    
006     This file is part of deegree.
007     Copyright (C) 2001 by:
008     EXSE, Department of Geography, University of Bonn
009     http://www.giub.uni-bonn.de/exse/
010     lat/lon Fitzke/Fretter/Poth GbR
011     http://www.lat-lon.de
012    
013     This library is free software; you can redistribute it and/or
014     modify it under the terms of the GNU Lesser General Public
015     License as published by the Free Software Foundation; either
016     version 2.1 of the License, or (at your option) any later version.
017    
018     This library is distributed in the hope that it will be useful,
019     but WITHOUT ANY WARRANTY; without even the implied warranty of
020     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
021     Lesser General Public License for more details.
022    
023     You should have received a copy of the GNU Lesser General Public
024     License along with this library; if not, write to the Free Software
025     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026    
027     Contact:
028    
029     Andreas Poth
030     lat/lon Fitzke/Fretter/Poth GbR
031     Meckenheimer Allee 176
032     53115 Bonn
033     Germany
034     E-Mail: poth@lat-lon.de
035    
036     Jens Fitzke
037     Department of Geography
038     University of Bonn
039     Meckenheimer Allee 166
040     53115 Bonn
041     Germany
042     E-Mail: jens.fitzke@uni-bonn.de
043    
044    
045     ---------------------------------------------------------------------------*/
046    package org.opengis.filter.capability;
047    
048    // Annotations
049    import java.util.Collection;
050    import java.util.List;
051    
052    import org.opengis.annotation.UML;
053    import static org.opengis.annotation.Specification.*;
054    
055    /**
056     * Function provided in a filter capabilities.
057     * <p>
058     * <pre>
059     * &lt;xsd:complexType name="FunctionNameType">
060     *     &lt;xsd:simpleContent>
061     *        &lt;xsd:extension base="xsd:string">
062     *           &lt;xsd:attribute name="nArgs" type="xsd:string" use="required"/>
063     *        &lt;/xsd:extension>
064     *     &lt;/xsd:simpleContent>
065     *  &lt;/xsd:complexType>
066     * </pre>
067     * </p>
068     * 
069     * @author <a href="mailto:tfr@users.sourceforge.net">Torsten Friebe </A>
070     * @author Justin Deoliveira, The Open Planning Project
071     */
072    public interface FunctionName extends Operator {
073        /**
074         * Number of arguments the function accepts.
075         * <p>
076         * <pre>
077         * &lt;xsd:attribute name="nArgs" type="xsd:string" use="required"/>
078         * </pre>
079         * </p>
080         */
081        @UML(identifier="argumentCount", specification=UNSPECIFIED)
082        int getArgumentCount();
083        
084        /**
085         * Argument names for documentation purposes if known.
086         * 
087         * @return Argument names (for documentation purposes) if known
088         */
089        List<String> getArgumentNames();
090    }