/[projects]/dao/FuldDaekningWorker/src/dk/daoas/fulddaekning/Database.java
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Contents of /dao/FuldDaekningWorker/src/dk/daoas/fulddaekning/Database.java

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Revision 2261 - (show annotations) (download)
Mon Feb 9 14:39:37 2015 UTC (9 years, 3 months ago) by torben
File size: 11918 byte(s)
use column index numbers instead of names
1 package dk.daoas.fulddaekning;
2
3 import java.io.IOException;
4 import java.sql.Connection;
5 import java.sql.DriverManager;
6 import java.sql.PreparedStatement;
7 import java.sql.ResultSet;
8 import java.sql.SQLException;
9 import java.util.ArrayList;
10 import java.util.HashMap;
11 import java.util.List;
12 import java.util.Properties;
13 import java.util.Queue;
14 import java.util.concurrent.ConcurrentLinkedQueue;
15 import java.util.logging.Logger;
16
17
18
19 public class Database {
20 Logger logger = Logger.getLogger(Database.class.getName());
21
22 int batchCount = 0;
23
24 Connection conn;
25 PreparedStatement saveStmt;
26
27 private HashMap<String,BoundingBox> bbCache = new HashMap<String,BoundingBox>();
28
29 public Database(SafeProperties conf) throws SQLException,IOException {
30 this.conn = getConnection( conf );
31
32 String sql = "INSERT INTO fulddaekning.afstand_anden_rute_ny (orgId,orgPostnr, orgAdresse,orgGadeid,orgHusnr,orgHusnrBogstav,orgLatitude,orgLongitude,orgRute,id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute,afstand,`timestamp`) "+
33 "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";
34
35 saveStmt = conn.prepareStatement(sql);
36
37 }
38
39 public void resetResultTable() throws SQLException {
40 logger.info("Dropping old result table (if exists)");
41 String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_ny";
42 conn.createStatement().executeUpdate(sql);
43
44 logger.info("Create new result table");
45 sql = "CREATE TABLE fulddaekning.afstand_anden_rute_ny LIKE fulddaekning.afstand_anden_rute";
46 conn.createStatement().executeUpdate(sql);
47 }
48
49 public void renameResultTables() throws SQLException {
50 Constants consts = Constants.getInstance();
51 String ext = consts.getTableExtension();
52
53 logger.info("Dropping old backup table (if exists)");
54 String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_old" + ext;
55 conn.createStatement().executeUpdate(sql);
56
57 logger.info("Rename tables");
58 sql = "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;
59
60 logger.info("Executing: " + sql);
61 conn.createStatement().executeUpdate(sql);
62 }
63
64 public BoundingBox getBoundingbox(String postnr) throws SQLException {
65 BoundingBox bb = bbCache.get(postnr);
66 if ( bb == null ) {
67 bb = getBoundingboxFromDb(postnr);
68 bbCache.put(postnr, bb);
69 } else {
70 logger.info("Serving BB from cache");
71 }
72
73 return bb.clone();//never return the original / cached object
74 }
75
76 private BoundingBox getBoundingboxFromDb(String postnr) throws SQLException {
77 String minPostnr = postnr.replace('x', '0');
78 String maxPostnr = postnr.replace('x', '9');
79
80 String sql =
81 "SELECT max(latitude) latmax, min(latitude) latmin, max(longitude) lngmax,min(longitude) lngmin " +
82 "FROM fulddaekning.adressetabel WHERE postnr BETWEEN ? and ? and rute is null;";
83
84 PreparedStatement stmt = conn.prepareStatement(sql);
85 stmt.setString(1, minPostnr);
86 stmt.setString(2, maxPostnr);
87
88 ResultSet res = stmt.executeQuery();
89 res.next(); //query returnerer altid 1 række
90
91 BoundingBox bbox = new BoundingBox();
92 bbox.latitudeMax = res.getDouble("latmax");
93 bbox.latitudeMin = res.getDouble("latmin");
94 bbox.longitudeMax = res.getDouble("lngmax");
95 bbox.longitudeMin = res.getDouble("lngmin");
96
97 res.close();
98 stmt.close();
99
100 return bbox;
101 }
102
103
104
105 public Queue<Adresse> hentIkkedaekkedeAdresser(String postnr) throws SQLException {
106
107 String minPostnr = postnr.replace('x', '0');
108 String maxPostnr = postnr.replace('x', '9');
109
110 ConcurrentLinkedQueue<Adresse> queue = new ConcurrentLinkedQueue<Adresse>();
111
112 String sql = "SELECT id,a.postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute,p.distributor as ho " +
113 "FROM fulddaekning.adressetabel a " +
114 "LEFT JOIN bogleveringer.postnummerdistributor p on (a.postnr=p.postnr) " +
115 "WHERE rute IS NULL " + //Ingen dækning
116 "AND a.postnr BETWEEN ? AND ? " +
117 "AND latitude IS NOT NULL " +
118 "AND longitude IS NOT NULL " +
119 "AND gadeid IS NOT NULL " +
120 "AND (a.distributor IS NULL OR a.distributor<>'LUKKET') ";
121 PreparedStatement stmt = conn.prepareStatement(sql);
122 stmt.setString(1, minPostnr);
123 stmt.setString(2, maxPostnr);
124
125 queue.addAll( hentAdresseListe( stmt ) );
126 return queue;
127 }
128
129 public List<String> hentPostnumre() throws SQLException {
130 ArrayList<String> list = new ArrayList<String>();
131
132 Constants consts = Constants.getInstance();
133
134 /*
135 String sql = "SELECT postnr " +
136 "FROM fulddaekning.adressetabel " +
137 "WHERE postnr BETWEEN ? AND ? " +
138 "AND rute is null " + // Træk kun liste på postnumre hvor der er ikke-dækkede adresser
139 "GROUP BY postnr " +
140 "ORDER by postnr";
141 */
142
143
144 String sql = "SELECT rpad(left(postnr,?),'4', 'x') as postnr2 " +
145 "FROM fulddaekning.adressetabel " +
146 "WHERE postnr BETWEEN ? AND ? " +
147 "AND rute is null " + // Trae kun liste paa postnumre hvor der er ikke-daekede adresser
148 "AND (postnr NOT BETWEEN 3900 and 3999) " + //Skip alle groenlandske postnumre
149 "GROUP BY postnr2 " +
150 "ORDER by postnr2 ";
151
152
153
154 PreparedStatement stmt = conn.prepareStatement(sql);
155 //stmt.setString(1, Lookup.distributor );
156
157 stmt.setInt(1, consts.getPostnrGroup() );
158
159 stmt.setInt(2, consts.getMinPostnr());
160 stmt.setInt(3, consts.getMaxPostnr());
161 ResultSet res = stmt.executeQuery();
162
163 while (res.next()) {
164 String postnr = res.getString("postnr2");
165 list.add(postnr);
166 }
167 res.close();
168 stmt.close();
169
170 //list.add(8700);
171
172 return list;
173 }
174
175 public Adresse[] hentDaekkedeAdresser( BoundingBox bbox) throws SQLException {
176 String sql = "SELECT id,a.postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute,p.distributor as ho " +
177 "FROM fulddaekning.adressetabel a " +
178 "LEFT JOIN bogleveringer.postnummerdistributor p on (a.postnr=p.postnr) " +
179 "WHERE rute IS NOT NULL " +
180 "AND latitude BETWEEN ? AND ? " +
181 "AND longitude BETWEEN ? AND ? " +
182 "AND a.distributor = ? ";
183
184 // Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets)
185 // Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html
186 //PreparedStatement stmt = conn.prepareStatement(sql);
187 PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
188 stmt.setFetchSize(Integer.MIN_VALUE);
189
190 stmt.setDouble(1, bbox.latitudeMin);
191 stmt.setDouble(2, bbox.latitudeMax);
192 stmt.setDouble(3, bbox.longitudeMin);
193 stmt.setDouble(4, bbox.longitudeMax);
194 stmt.setString(5, LookupMain.distributor);
195
196 List<Adresse> list = hentAdresseListe( stmt );
197 return list.toArray( new Adresse[ list.size() ] );
198 }
199
200
201 public Adresse[] hentAlleDaekkedeAdresser() throws SQLException {
202 String sql = "SELECT id,a.postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute,p.distributor as ho " +
203 "FROM fulddaekning.adressetabel a " +
204 "LEFT JOIN bogleveringer.postnummerdistributor p on (a.postnr=p.postnr) " +
205 "WHERE rute IS NOT NULL " +
206 "AND latitude IS NOT NULL " +
207 "AND longitude IS NOT NULL " +
208 "AND a.distributor = ? ";
209
210 // Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets)
211 // Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html
212 //PreparedStatement stmt = conn.prepareStatement(sql);
213 PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
214 stmt.setFetchSize(Integer.MIN_VALUE);
215
216 stmt.setString(1, LookupMain.distributor);
217
218 List<Adresse> list = hentAdresseListe( stmt );
219 return list.toArray( new Adresse[ list.size() ] );
220 }
221
222
223
224 public synchronized void gemResultat(Adresse orgAdresse, Adresse bedsteAdresse, double bedsteAfstand) throws SQLException {
225 /*String sql = "INSERT INTO fulddaekning.afstand_anden_rute_thn (orgId,orgPostnr, orgAdresse,orgGadeid,orgHusnr,orgHusnrBogstav,orgLatitude,orgLongitude,orgRute,id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute,afstand,`timestamp`) "+
226 "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";
227
228 PreparedStatement saveStmt = conn.prepareStatement(sql);*/
229
230 saveStmt.setInt(1, orgAdresse.id);
231 saveStmt.setInt(2, orgAdresse.postnr);
232 saveStmt.setString(3, orgAdresse.adresse);
233 saveStmt.setInt(4, orgAdresse.gadeid);
234 saveStmt.setInt(5, orgAdresse.husnr);
235 saveStmt.setString(6, orgAdresse.husnrbogstav);
236 saveStmt.setDouble(7, orgAdresse.latitude);
237 saveStmt.setDouble(8, orgAdresse.longitude);
238 saveStmt.setString(9, orgAdresse.rute);
239
240
241 saveStmt.setInt(10, bedsteAdresse.id);
242 saveStmt.setInt(11, bedsteAdresse.postnr);
243 saveStmt.setString(12, bedsteAdresse.adresse);
244 saveStmt.setInt(13, bedsteAdresse.gadeid);
245 saveStmt.setInt(14, bedsteAdresse.husnr);
246 saveStmt.setString(15, bedsteAdresse.husnrbogstav);
247 saveStmt.setDouble(16, bedsteAdresse.latitude);
248 saveStmt.setDouble(17, bedsteAdresse.longitude);
249 saveStmt.setString(18, bedsteAdresse.rute);
250
251 saveStmt.setDouble(19, bedsteAfstand);
252
253 saveStmt.addBatch();
254 batchCount++;
255 if (batchCount >= 100) {
256 saveStmt.executeBatch();
257 batchCount = 0;
258 }
259 //saveStmt.executeUpdate();
260 //saveStmt.clearParameters();
261
262 //saveStmt.close();
263 }
264
265 public synchronized void saveBatch() throws SQLException{
266 saveStmt.executeBatch();
267 batchCount = 0;
268 }
269
270
271
272 protected ArrayList<Adresse> hentAdresseListe(PreparedStatement stmt) throws SQLException{
273 ArrayList<Adresse> list = new ArrayList<Adresse>( 1000000 );
274
275 //logger.info("Starting query");
276 ResultSet res = stmt.executeQuery();
277 //logger.info("Starting exec query done");
278
279 while (res.next()) {
280 Adresse adr = new Adresse();
281
282 /*
283 adr.id = res.getInt("id");
284 adr.postnr = res.getInt("postnr");
285 adr.adresse = res.getString("adresse");
286 adr.gadeid = res.getInt("gadeid");
287 adr.husnr = res.getInt("husnr");
288 adr.husnrbogstav = res.getString("husnrbogstav");
289 adr.latitude = res.getDouble("latitude");
290 adr.longitude = res.getDouble("longitude");
291 adr.rute = res.getString("rute");
292 adr.ho = res.getInt("ho");
293 */
294
295 adr.id = res.getInt(1);
296 adr.postnr = res.getInt(2);
297 adr.adresse = res.getString(3);
298 adr.gadeid = res.getInt(4);
299 adr.husnr = res.getInt(5);
300 adr.husnrbogstav = res.getString(6);
301 adr.latitude = res.getDouble(7);
302 adr.longitude = res.getDouble(8);
303 adr.rute = res.getString(9);
304 adr.ho = res.getInt(10);
305
306 list.add(adr);
307
308 //logger.info( "Adress:" + adr);
309 }
310
311 res.close();
312 stmt.close();
313
314 return list;
315 }
316
317 public Connection getConnection(SafeProperties conf) throws SQLException, IOException {
318
319 String db_host = conf.getSafeProperty("DB_HOST");
320 String db_user = conf.getSafeProperty("DB_USER");
321 String db_pass = conf.getSafeProperty("DB_PASS");
322
323
324
325
326 Connection conn = null;
327 Properties connectionProps = new Properties();
328 connectionProps.put("user", db_user);
329 connectionProps.put("password", db_pass);
330
331 //For debug output, tilføj denne til JDBC url'en: &profileSQL=true
332 conn = DriverManager.getConnection(
333 "jdbc:mysql://" +
334 db_host +
335 ":3306/?rewriteBatchedStatements=true",
336 connectionProps);
337 logger.info("Connected to database");
338 return conn;
339 }
340
341 }

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