001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/tags/2.1/src/org/deegree/io/quadtree/Node.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2007 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     53177 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    package org.deegree.io.quadtree;
044    
045    import java.util.List;
046    
047    import org.deegree.model.spatialschema.Envelope;
048    
049    /**
050     * TODO add documentation here
051     * 
052     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
053     * @author last edited by: $Author: apoth $
054     * 
055     * @version $Revision: 7845 $, $Date: 2007-07-25 09:45:35 +0200 (Mi, 25 Jul 2007) $
056     */
057    interface Node {
058    
059        /**
060         * @return
061         */
062        public abstract String getId();
063    
064        /**
065         * inserts a new item into the quadtree
066         * 
067         * @param item
068         * @param itemEnv
069         * @throws IndexException
070         */
071        public abstract void insert( Object item, Envelope itemEnv )
072                                throws IndexException;
073    
074        /**
075         * returns a List containing all items whose envelope intersects with the passed one
076         * 
077         * @param searchEnv
078         * @param visitor
079         * @param level
080         * 
081         * @return a List containing all items whose envelope intersects with the passed one
082         * @throws IndexException
083         */
084        public abstract List<Object> query( Envelope searchEnv, List<Object> visitor, int level )
085                                throws IndexException;
086    
087        /**
088         * deletes a specific item from the tree (not the item itself will be deleted, just its
089         * reference will be)
090         * 
091         * @param item
092         */
093        public abstract void deleteItem( Object item );
094    
095        /**
096         * deletes all references of items whose envelope intersects with the passed one (
097         * 
098         * @see #deleteItem(Object) )
099         * @param envelope
100         */
101        public abstract void deleteRange( Envelope envelope );
102    
103    }