001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/model/spatialschema/Aggregate.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    
045    package org.deegree.model.spatialschema; 
046    
047    
048    import java.util.Iterator;
049    
050    /**
051    *
052    * This interface defines the basis functionallity of all geometry
053    * aggregations. it will be specialized for the use of primitive,
054    * and solid geometries.
055    *
056    * <p>-----------------------------------------------------</p>
057    *
058    * @author Andreas Poth
059    * @version $Revision: 6259 $ $Date: 2007-03-20 10:15:15 +0100 (Di, 20 Mär 2007) $
060    * <p>
061    */
062    
063    public interface Aggregate extends Geometry {
064            
065       /**
066        * returns the number of Geometry within the aggregation
067        */  
068            int getSize();
069            
070       /**
071        * merges two aggregation.
072        *
073        * @exception GeometryException a GeometryException will be thrown if the submitted
074        *                    isn't the same type as the recieving one.
075        */  
076            void merge(Aggregate aggregate) throws GeometryException;
077            
078       /**
079        * adds an Geometry to the aggregation 
080        */  
081        void add(Geometry gmo);    
082        
083       /**
084        * inserts a Geometry in the aggregation. all elements with an index 
085        * equal or larger index will be moved. if index is
086        * larger then getSize() - 1 an exception will be thrown.
087        *
088        * @param gmo Geometry to insert.     
089        * @param index position where to insert the new Geometry
090        */ 
091        void insertObjectAt(Geometry gmo, int index) throws GeometryException;
092        
093       /**
094        * sets the submitted Geometry at the submitted index. the element
095        * at the position <code>index</code> will be removed. if index is
096        * larger then getSize() - 1 an exception will be thrown.
097        *
098        * @param gmo Geometry to set.     
099        * @param index position where to set the new Geometry
100        */ 
101        void setObjectAt(Geometry gmo, int index) throws GeometryException;
102        
103       /**
104        * removes the submitted Geometry from the aggregation
105        *
106        * @return the removed Geometry
107        */ 
108        Geometry removeObject(Geometry gmo);
109        
110       /**
111        * removes the Geometry at the submitted index from the aggregation.
112        * if index is larger then getSize() - 1 an exception will be thrown.
113        *
114        * @return the removed Geometry
115        */ 
116        Geometry removeObjectAt(int index) throws GeometryException;
117        
118       /**
119        * removes all Geometry from the aggregation. 
120        */ 
121        void removeAll();
122        
123       /**
124        * returns the Geometry at the submitted index. 
125        */ 
126        Geometry getObjectAt(int index);
127        
128       /**
129        * returns all Geometries as array
130        */ 
131        Geometry[] getAll();
132        
133       /**
134        * returns true if the submitted Geometry is within the aggregation
135        */
136        boolean isMember(Geometry gmo); 
137        
138       /**
139        * returns the aggregation as an iterator
140        */ 
141        Iterator getIterator();       
142         
143            
144    }
145    /* ********************************************************************
146    Changes to this class. What the people have been up to:
147    $Log$
148    Revision 1.5  2006/07/12 14:46:15  poth
149    comment footer added
150    
151    ********************************************************************** */