adressevedligehold/afstandandenrute/DatabaseRouteDistance.java

package dk.daoas.adressevedligehold.afstandandenrute;

import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Queue;
import java.util.Set;
import java.util.TreeSet;
import java.util.concurrent.ConcurrentLinkedQueue;

import dk.daoas.adressevedligehold.beans.Address;
import dk.daoas.adressevedligehold.tasks.TaskLogger;
import dk.daoas.adressevedligehold.util.DeduplicateHelper;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;


public class Database { 
        private TaskLogger logger = TaskLogger.getInstance();

        int batchCount = 0;

        Connection conn;
        PreparedStatement saveStmt;
        
        List<Address> alleAddressr;
        Address alleIkkeDaekkede[];
        
        Map<Short,List<Address>> daekkedeAddressrHO = new HashMap<Short,List<Address>>();
        
        
        DeduplicateHelper<String> vejnavnCache = new DeduplicateHelper<String>();
        DeduplicateHelper<String> husnrbogstavCache = new DeduplicateHelper<String>();
        DeduplicateHelper<String> ruteCache = new DeduplicateHelper<String>(); 
        
        Set<Short> postnumre = new TreeSet<Short>();
        
        //Map<Short, List<Address>> ikkeDaekkedePrPost = new HashMap<Short, List<Address>>(); 
        
        
        private HashMap<Short,BoundingBox> bbCache = new HashMap<Short,BoundingBox>();

        public Database(Connection conn)  throws SQLException,IOException {
                this.conn = conn;

                String sql = "INSERT INTO fulddaekning.afstand_anden_rute_ny (orgId,orgPostnr, orgAdresse,orgGadeid,orgHusnr,orgHusnrBogstav,orgRute,id,postnr,adresse,gadeid,husnr,husnrbogstav,rute,afstand,`timestamp`) "+
                                "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";

                saveStmt = conn.prepareStatement(sql);          

        }

        public void resetResultTable() throws SQLException {
                try (Statement stmt = conn.createStatement()) {
                        logger.info("Dropping old result table (if exists)");
                        String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_ny";
                        stmt.executeUpdate(sql);
                        
                        logger.info("Create new result table");
                        sql = "CREATE TABLE fulddaekning.afstand_anden_rute_ny LIKE fulddaekning.afstand_anden_rute";
                        stmt.executeUpdate(sql);                
                        
                }
        }       
        
        @SuppressFBWarnings("SQL_NONCONSTANT_STRING_PASSED_TO_EXECUTE")
        public void renameResultTables() throws SQLException {
                if (AfstandAndenRuteTask.test_mode == true) {
                        throw new RuntimeException("Can not rename tables in test mode");
                }
                
                Constants consts = Constants.getInstance();
                
                try (Statement stmt = conn.createStatement()) {
                        
                        String ext = consts.getTableExtension();
                        
                        logger.info("Dropping old backup table (if exists)");
                        String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_old" + ext;
                        stmt.executeUpdate(sql);
                        
                        logger.info("Rename tables");
                        String sql2 = "RENAME TABLE fulddaekning.afstand_anden_rute" + ext + " TO fulddaekning.afstand_anden_rute_old" + ext + ", fulddaekning.afstand_anden_rute_ny TO fulddaekning.afstand_anden_rute" + ext;

                        logger.info("Executing: " + sql2);
                        stmt.executeUpdate(sql2);                       
                }

                
        }
        
        public BoundingBox getBoundingbox(short postnr)  {
                BoundingBox bb = bbCache.get(postnr);
                return new BoundingBox(bb); //never return the original / cached object
        }
        
        
        public Set<Short> hentPostnumreCache() {
                return postnumre;
        }


        public Queue<Address> hentAlleIkkedaekkedeAdresser(int minPostnr, int maxPostnr)  throws SQLException {
                
                logger.info("Henter alle IKKE-daekkede Addressr");

                String sql = "SELECT id,a.postnr,vejnavn,gadeid,husnr,husnrbogstav,latitude,longitude,ruteMa,p.distributor as ho " + 
                                "FROM fulddaekning.adressetabel a " +
                                "LEFT JOIN bogleveringer.postnummerdistributor p on (a.postnr=p.postnr) " +
                                "WHERE ruteMa IS NULL " +  //Ingen dækning
                                "AND a.postnr BETWEEN ? AND ? " +
                                "AND latitude IS NOT NULL " +
                                "AND longitude IS NOT NULL " +
                                "AND gadeid IS NOT NULL " +
                                "AND (a.distributor IS NULL OR a.distributor<>'LUKKET') " 
                                ;               
                
                if (AfstandAndenRuteTask.test_mode == true) {
                        sql = sql + " LIMIT 100 ";
                }
                
                try (PreparedStatement stmt = conn.prepareStatement(sql)) {
                        
                
                        stmt.setInt(1, minPostnr);
                        stmt.setInt(2, maxPostnr);
        
                        List<Address> list = hentAdresseListe( stmt );
                        alleIkkeDaekkede = list.toArray( new Address[ list.size() ] );
                        
                        logger.info("Analyserer ikke-daekkede Addressr");
                        
                        for (Address a : alleIkkeDaekkede) {
                                
                                
                                BoundingBox bbox;
                                
                                if (! postnumre.contains(a.postnr )) {
                                        postnumre.add( a.postnr );
                                        
                                        bbox = new BoundingBox(); 
                                        
                                        bbCache.put( a.postnr, bbox);                                                                                   
                                        
                                } else {
                                         bbox = bbCache.get( a.postnr);
                                }
                                
                                bbox.latitudeMax = Math.max(bbox.latitudeMax, a.latitude);
                                bbox.latitudeMin = Math.min(bbox.latitudeMin, a.latitude);
                                bbox.longitudeMax = Math.max(bbox.longitudeMax, a.longitude);
                                bbox.longitudeMin = Math.min(bbox.longitudeMin, a.longitude);
                                
                                
                        }
                        return new ConcurrentLinkedQueue<Address>( list );
                }
        }
        

        public Map<Short, List<Address>> getDaekkedeAdresserHO() {
                return daekkedeAddressrHO;
        }
        
        public int hentAlleDaekkedeAdresser(String distributor) throws SQLException {
                
                if ( alleAddressr == null ) {
                        String sql = "SELECT id,a.postnr,vejnavn,gadeid,husnr,husnrbogstav,latitude,longitude,ruteMa,p.distributor as ho " + 
                                        "FROM fulddaekning.adressetabel a " +
                                        "LEFT JOIN bogleveringer.postnummerdistributor p on (a.postnr=p.postnr) " +
                                        "WHERE ruteMa IS NOT NULL " + 
                                        "AND latitude IS NOT NULL " +
                                        "AND longitude IS NOT NULL " +
                                        "AND a.distributor = ? ";

                        if (AfstandAndenRuteTask.test_mode == true) {
                                sql = sql + " AND a.postnr BETWEEN 6000 and 7200 ";
                        }
        
                        // Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets)
                        // Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html
                        
                        try (PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY)) {
                                stmt.setFetchSize(Integer.MIN_VALUE);
                
                                stmt.setString(1, distributor);
                
                                List<Address> list = hentAdresseListe( stmt );
                                
                                alleAddressr = new ArrayList<Address>();
                                alleAddressr.addAll(list);
                                
                                for(Address addr : list) {
                                        short ho = addr.ho;
                                        List<Address> hoListe = daekkedeAddressrHO.get(ho);
                                        if ( hoListe == null) {
                                                hoListe = new ArrayList<Address>();
                                                daekkedeAddressrHO.put(ho, hoListe);                                    
                                        }
                                        
                                        hoListe.add(addr);                                                              
                                        
                                }
                        }
                }
                
                return alleAddressr.size();
                
        }
        
        
        public synchronized void gemResultat(Address orgAddress, Address bedsteAddress, double bedsteAfstand) throws SQLException {
                /*String sql = "INSERT INTO fulddaekning.afstand_anden_rute_thn (orgId,orgPostnr, orgVejnavn,orgGadeid,orgHusnr,orgHusnrBogstav,orgLatitude,orgLongitude,orgRute,id,postnr,vejnavn,gadeid,husnr,husnrbogstav,latitude,longitude,rute,afstand,`timestamp`) "+
                                "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";


                PreparedStatement saveStmt = conn.prepareStatement(sql);*/

                saveStmt.setInt(1, orgAddress.id);
                saveStmt.setShort(2, orgAddress.postnr);
                saveStmt.setString(3, orgAddress.vejnavn);
                saveStmt.setInt(4, orgAddress.gadeid);
                saveStmt.setShort(5, orgAddress.husnr);
                saveStmt.setString(6, orgAddress.husnrbogstav);
                saveStmt.setString(7, orgAddress.ruteMandag);


                saveStmt.setInt(8, bedsteAddress.id);
                saveStmt.setShort(9, bedsteAddress.postnr);
                saveStmt.setString(10, bedsteAddress.vejnavn);
                saveStmt.setInt(11, bedsteAddress.gadeid);
                saveStmt.setShort(12, bedsteAddress.husnr);
                saveStmt.setString(13, bedsteAddress.husnrbogstav);
                saveStmt.setString(14, bedsteAddress.ruteMandag);

                saveStmt.setDouble(15, bedsteAfstand);

                saveStmt.addBatch();
                batchCount++;
                if (batchCount >= 1000) {
                        saveStmt.executeBatch();
                        batchCount = 0;
                }
                //saveStmt.executeUpdate();     
                //saveStmt.clearParameters();

                //saveStmt.close();     
        }
        
        public synchronized void saveBatch() throws SQLException{
                saveStmt.executeBatch();
                batchCount = 0;
        }


        protected ArrayList<Address> hentAdresseListe(PreparedStatement stmt) throws SQLException{
                ArrayList<Address> list = new ArrayList<Address>( 1000000 );
                
                Constants consts = Constants.getInstance();

                //logger.info("Starting query");
                try ( ResultSet res = stmt.executeQuery() ) {
                

                        while (res.next()) {
                                
                                double latitude = res.getDouble(7);
                                double longitude = res.getDouble(8);
        
                                
                                Address adr = new Address(latitude,longitude);
        
                                adr.id = res.getInt(1);
                                adr.postnr = res.getShort(2);
                                adr.vejnavn = vejnavnCache.getInstance( res.getString(3) );
                                adr.gadeid = res.getInt(4);
                                adr.husnr = res.getShort(5);
                                adr.husnrbogstav = husnrbogstavCache.getInstance( res.getString(6) );
                                //adr.latitude = res.getDouble(7);
                                //adr.longitude = res.getDouble(8);
                                adr.ruteMandag =  ruteCache.getInstance( res.getString(9) );
                                adr.ho = res.getShort(10);
        
                                list.add(adr);
        
                                if (consts.doCheckHO() == true && adr.ho == 0) {
                                        logger.info( "Mangler HO: " + adr );
                                        throw new RuntimeException("Mangler HO: "+ adr);
                                }
        
                                //logger.info( "Adress:" + adr);
                        }
        
                        res.close();
                        stmt.close();
        
                        return list;
                }
        }
                
}
1	torben	2878	package dk.daoas.adressevedligehold.afstandandenrute;
2
3			import java.io.IOException;
4			import java.sql.Connection;
5			import java.sql.PreparedStatement;
6			import java.sql.ResultSet;
7			import java.sql.SQLException;
8	torben	2879	import java.sql.Statement;
9	torben	2878	import java.util.ArrayList;
10			import java.util.HashMap;
11			import java.util.List;
12			import java.util.Map;
13			import java.util.Queue;
14			import java.util.Set;
15			import java.util.TreeSet;
16			import java.util.concurrent.ConcurrentLinkedQueue;
17
18			import dk.daoas.adressevedligehold.beans.Address;
19	torben	2903	import dk.daoas.adressevedligehold.tasks.TaskLogger;
20	torben	2878	import dk.daoas.adressevedligehold.util.DeduplicateHelper;
21	torben	2884	import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
22	torben	2878
23
24
25			public class Database {
26	torben	2903	private TaskLogger logger = TaskLogger.getInstance();
27	torben	2878
28			int batchCount = 0;
29
30			Connection conn;
31			PreparedStatement saveStmt;
32
33			List<Address> alleAddressr;
34			Address alleIkkeDaekkede[];
35
36			Map<Short,List<Address>> daekkedeAddressrHO = new HashMap<Short,List<Address>>();
37
38
39
40
41
42			DeduplicateHelper<String> vejnavnCache = new DeduplicateHelper<String>();
43			DeduplicateHelper<String> husnrbogstavCache = new DeduplicateHelper<String>();
44			DeduplicateHelper<String> ruteCache = new DeduplicateHelper<String>();
45
46			Set<Short> postnumre = new TreeSet<Short>();
47
48			//Map<Short, List<Address>> ikkeDaekkedePrPost = new HashMap<Short, List<Address>>();
49
50
51			private HashMap<Short,BoundingBox> bbCache = new HashMap<Short,BoundingBox>();
52
53			public Database(Connection conn) throws SQLException,IOException {
54			this.conn = conn;
55
56	torben	2890	String sql = "INSERT INTO fulddaekning.afstand_anden_rute_ny (orgId,orgPostnr, orgAdresse,orgGadeid,orgHusnr,orgHusnrBogstav,orgRute,id,postnr,adresse,gadeid,husnr,husnrbogstav,rute,afstand,`timestamp`) "+
57	torben	2878	"VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";
58
59			saveStmt = conn.prepareStatement(sql);
60
61			}
62
63			public void resetResultTable() throws SQLException {
64	torben	2879	try (Statement stmt = conn.createStatement()) {
65			logger.info("Dropping old result table (if exists)");
66			String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_ny";
67			stmt.executeUpdate(sql);
68
69			logger.info("Create new result table");
70			sql = "CREATE TABLE fulddaekning.afstand_anden_rute_ny LIKE fulddaekning.afstand_anden_rute";
71			stmt.executeUpdate(sql);
72
73			}
74	torben	2878	}
75
76	torben	2884	@SuppressFBWarnings("SQL_NONCONSTANT_STRING_PASSED_TO_EXECUTE")
77	torben	2878	public void renameResultTables() throws SQLException {
78			if (AfstandAndenRuteTask.test_mode == true) {
79			throw new RuntimeException("Can not rename tables in test mode");
80			}
81	torben	2879
82	torben	2878	Constants consts = Constants.getInstance();
83
84	torben	2879	try (Statement stmt = conn.createStatement()) {
85
86			String ext = consts.getTableExtension();
87
88			logger.info("Dropping old backup table (if exists)");
89			String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_old" + ext;
90			stmt.executeUpdate(sql);
91
92			logger.info("Rename tables");
93			String sql2 = "RENAME TABLE fulddaekning.afstand_anden_rute" + ext + " TO fulddaekning.afstand_anden_rute_old" + ext + ", fulddaekning.afstand_anden_rute_ny TO fulddaekning.afstand_anden_rute" + ext;
94
95			logger.info("Executing: " + sql2);
96			stmt.executeUpdate(sql2);
97			}
98
99	torben	2878
100			}
101
102			public BoundingBox getBoundingbox(short postnr) {
103			BoundingBox bb = bbCache.get(postnr);
104	torben	2884	return new BoundingBox(bb); //never return the original / cached object
105	torben	2878	}
106
107
108			public Set<Short> hentPostnumreCache() {
109			return postnumre;
110			}
111
112
113			public Queue<Address> hentAlleIkkedaekkedeAdresser(int minPostnr, int maxPostnr) throws SQLException {
114
115			logger.info("Henter alle IKKE-daekkede Addressr");
116
117			String sql = "SELECT id,a.postnr,vejnavn,gadeid,husnr,husnrbogstav,latitude,longitude,ruteMa,p.distributor as ho " +
118	torben	2890	"FROM fulddaekning.adressetabel a " +
119	torben	2878	"LEFT JOIN bogleveringer.postnummerdistributor p on (a.postnr=p.postnr) " +
120			"WHERE ruteMa IS NULL " + //Ingen dækning
121			"AND a.postnr BETWEEN ? AND ? " +
122			"AND latitude IS NOT NULL " +
123			"AND longitude IS NOT NULL " +
124			"AND gadeid IS NOT NULL " +
125			"AND (a.distributor IS NULL OR a.distributor<>'LUKKET') "
126			;
127
128			if (AfstandAndenRuteTask.test_mode == true) {
129			sql = sql + " LIMIT 100 ";
130			}
131
132	torben	2879	try (PreparedStatement stmt = conn.prepareStatement(sql)) {
133
134	torben	2878
135	torben	2879	stmt.setInt(1, minPostnr);
136			stmt.setInt(2, maxPostnr);
137
138			List<Address> list = hentAdresseListe( stmt );
139			alleIkkeDaekkede = list.toArray( new Address[ list.size() ] );
140	torben	2878
141	torben	2879	logger.info("Analyserer ikke-daekkede Addressr");
142	torben	2878
143	torben	2879	for (Address a : alleIkkeDaekkede) {
144	torben	2878
145
146	torben	2879	BoundingBox bbox;
147	torben	2878
148	torben	2879	if (! postnumre.contains(a.postnr )) {
149			postnumre.add( a.postnr );
150
151			bbox = new BoundingBox();
152
153			bbCache.put( a.postnr, bbox);
154
155			} else {
156			bbox = bbCache.get( a.postnr);
157			}
158
159			bbox.latitudeMax = Math.max(bbox.latitudeMax, a.latitude);
160			bbox.latitudeMin = Math.min(bbox.latitudeMin, a.latitude);
161			bbox.longitudeMax = Math.max(bbox.longitudeMax, a.longitude);
162			bbox.longitudeMin = Math.min(bbox.longitudeMin, a.longitude);
163
164
165	torben	2878	}
166	torben	2879	return new ConcurrentLinkedQueue<Address>( list );
167	torben	2878	}
168			}
169
170
171
172
173			public Map<Short, List<Address>> getDaekkedeAdresserHO() {
174			return daekkedeAddressrHO;
175			}
176
177			public int hentAlleDaekkedeAdresser(String distributor) throws SQLException {
178
179			if ( alleAddressr == null ) {
180			String sql = "SELECT id,a.postnr,vejnavn,gadeid,husnr,husnrbogstav,latitude,longitude,ruteMa,p.distributor as ho " +
181	torben	2890	"FROM fulddaekning.adressetabel a " +
182	torben	2878	"LEFT JOIN bogleveringer.postnummerdistributor p on (a.postnr=p.postnr) " +
183			"WHERE ruteMa IS NOT NULL " +
184			"AND latitude IS NOT NULL " +
185			"AND longitude IS NOT NULL " +
186			"AND a.distributor = ? ";
187
188			if (AfstandAndenRuteTask.test_mode == true) {
189			sql = sql + " AND a.postnr BETWEEN 6000 and 7200 ";
190			}
191
192			// Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets)
193	torben	2879	// Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html
194	torben	2878
195	torben	2879	try (PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY)) {
196			stmt.setFetchSize(Integer.MIN_VALUE);
197
198			stmt.setString(1, distributor);
199
200			List<Address> list = hentAdresseListe( stmt );
201	torben	2878
202	torben	2879	alleAddressr = new ArrayList<Address>();
203			alleAddressr.addAll(list);
204	torben	2878
205	torben	2879	for(Address addr : list) {
206			short ho = addr.ho;
207			List<Address> hoListe = daekkedeAddressrHO.get(ho);
208			if ( hoListe == null) {
209			hoListe = new ArrayList<Address>();
210			daekkedeAddressrHO.put(ho, hoListe);
211			}
212
213			hoListe.add(addr);
214
215			}
216	torben	2878	}
217			}
218
219			return alleAddressr.size();
220	torben	2879
221	torben	2878	}
222
223
224
225			public synchronized void gemResultat(Address orgAddress, Address bedsteAddress, double bedsteAfstand) throws SQLException {
226			/*String sql = "INSERT INTO fulddaekning.afstand_anden_rute_thn (orgId,orgPostnr, orgVejnavn,orgGadeid,orgHusnr,orgHusnrBogstav,orgLatitude,orgLongitude,orgRute,id,postnr,vejnavn,gadeid,husnr,husnrbogstav,latitude,longitude,rute,afstand,`timestamp`) "+
227			"VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";
228
229
230			PreparedStatement saveStmt = conn.prepareStatement(sql);*/
231
232			saveStmt.setInt(1, orgAddress.id);
233			saveStmt.setShort(2, orgAddress.postnr);
234			saveStmt.setString(3, orgAddress.vejnavn);
235			saveStmt.setInt(4, orgAddress.gadeid);
236			saveStmt.setShort(5, orgAddress.husnr);
237			saveStmt.setString(6, orgAddress.husnrbogstav);
238			saveStmt.setString(7, orgAddress.ruteMandag);
239
240
241			saveStmt.setInt(8, bedsteAddress.id);
242			saveStmt.setShort(9, bedsteAddress.postnr);
243			saveStmt.setString(10, bedsteAddress.vejnavn);
244			saveStmt.setInt(11, bedsteAddress.gadeid);
245			saveStmt.setShort(12, bedsteAddress.husnr);
246			saveStmt.setString(13, bedsteAddress.husnrbogstav);
247			saveStmt.setString(14, bedsteAddress.ruteMandag);
248
249			saveStmt.setDouble(15, bedsteAfstand);
250
251			saveStmt.addBatch();
252			batchCount++;
253			if (batchCount >= 1000) {
254			saveStmt.executeBatch();
255			batchCount = 0;
256			}
257			//saveStmt.executeUpdate();
258			//saveStmt.clearParameters();
259
260			//saveStmt.close();
261			}
262
263			public synchronized void saveBatch() throws SQLException{
264			saveStmt.executeBatch();
265			batchCount = 0;
266			}
267
268
269
270			protected ArrayList<Address> hentAdresseListe(PreparedStatement stmt) throws SQLException{
271			ArrayList<Address> list = new ArrayList<Address>( 1000000 );
272
273			Constants consts = Constants.getInstance();
274
275			//logger.info("Starting query");
276	torben	2880	try ( ResultSet res = stmt.executeQuery() ) {
277
278	torben	2878
279	torben	2880	while (res.next()) {
280
281			double latitude = res.getDouble(7);
282			double longitude = res.getDouble(8);
283
284
285			Address adr = new Address(latitude,longitude);
286
287			adr.id = res.getInt(1);
288			adr.postnr = res.getShort(2);
289			adr.vejnavn = vejnavnCache.getInstance( res.getString(3) );
290			adr.gadeid = res.getInt(4);
291			adr.husnr = res.getShort(5);
292			adr.husnrbogstav = husnrbogstavCache.getInstance( res.getString(6) );
293			//adr.latitude = res.getDouble(7);
294			//adr.longitude = res.getDouble(8);
295			adr.ruteMandag = ruteCache.getInstance( res.getString(9) );
296			adr.ho = res.getShort(10);
297
298			list.add(adr);
299
300			if (consts.doCheckHO() == true && adr.ho == 0) {
301	torben	2903	logger.info( "Mangler HO: " + adr );
302	torben	2881	throw new RuntimeException("Mangler HO: "+ adr);
303	torben	2880	}
304
305			//logger.info( "Adress:" + adr);
306	torben	2878	}
307	torben	2880
308			res.close();
309			stmt.close();
310
311			return list;
312	torben	2878	}
313			}
314
315			}