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

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Revision 2327 - (hide annotations) (download)
Thu Feb 19 10:36:40 2015 UTC (9 years, 3 months ago) by torben
Original Path: dao/FuldDaekningWorker/src/dk/daoas/fulddaekning/Database.java
File size: 12933 byte(s)
Tilføj deduplicatehelper for at begrænse hukommelses forbruget

1 torben 2145 package dk.daoas.fulddaekning;
2    
3 torben 2152 import java.io.IOException;
4 torben 2145 import java.sql.Connection;
5 torben 2152 import java.sql.DriverManager;
6 torben 2145 import java.sql.PreparedStatement;
7     import java.sql.ResultSet;
8     import java.sql.SQLException;
9     import java.util.ArrayList;
10 torben 2247 import java.util.HashMap;
11 torben 2145 import java.util.List;
12 torben 2152 import java.util.Properties;
13 torben 2145 import java.util.Queue;
14     import java.util.concurrent.ConcurrentLinkedQueue;
15     import java.util.logging.Logger;
16    
17    
18 torben 2219
19 torben 2145 public class Database {
20     Logger logger = Logger.getLogger(Database.class.getName());
21 torben 2151
22 torben 2219 int batchCount = 0;
23 torben 2151
24 torben 2145 Connection conn;
25     PreparedStatement saveStmt;
26 torben 2247
27 torben 2263 Adresse alleAdresser[];
28    
29 torben 2327 DeduplicateHelper<String> husnrbogstavCache = new DeduplicateHelper<String>();
30     DeduplicateHelper<String> ruteCache = new DeduplicateHelper<String>();
31    
32 torben 2247 private HashMap<String,BoundingBox> bbCache = new HashMap<String,BoundingBox>();
33 torben 2145
34 torben 2157 public Database(SafeProperties conf) throws SQLException,IOException {
35 torben 2152 this.conn = getConnection( conf );
36 torben 2151
37 torben 2192 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`) "+
38 torben 2151 "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";
39 torben 2145
40 torben 2150 saveStmt = conn.prepareStatement(sql);
41 torben 2151
42 torben 2145 }
43 torben 2151
44     public void resetResultTable() throws SQLException {
45 torben 2192 logger.info("Dropping old result table (if exists)");
46     String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_ny";
47 torben 2151 conn.createStatement().executeUpdate(sql);
48 torben 2192
49     logger.info("Create new result table");
50     sql = "CREATE TABLE fulddaekning.afstand_anden_rute_ny LIKE fulddaekning.afstand_anden_rute";
51     conn.createStatement().executeUpdate(sql);
52 torben 2151 }
53 torben 2192
54     public void renameResultTables() throws SQLException {
55 torben 2223 Constants consts = Constants.getInstance();
56     String ext = consts.getTableExtension();
57    
58 torben 2192 logger.info("Dropping old backup table (if exists)");
59 torben 2223 String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_old" + ext;
60 torben 2192 conn.createStatement().executeUpdate(sql);
61    
62     logger.info("Rename tables");
63 torben 2224 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;
64 torben 2230
65     logger.info("Executing: " + sql);
66 torben 2192 conn.createStatement().executeUpdate(sql);
67 torben 2247 }
68    
69     public BoundingBox getBoundingbox(String postnr) throws SQLException {
70     BoundingBox bb = bbCache.get(postnr);
71     if ( bb == null ) {
72     bb = getBoundingboxFromDb(postnr);
73     bbCache.put(postnr, bb);
74 torben 2248 } else {
75     logger.info("Serving BB from cache");
76 torben 2247 }
77    
78     return bb.clone();//never return the original / cached object
79     }
80 torben 2151
81 torben 2247 private BoundingBox getBoundingboxFromDb(String postnr) throws SQLException {
82 torben 2240 String minPostnr = postnr.replace('x', '0');
83     String maxPostnr = postnr.replace('x', '9');
84 torben 2151
85 torben 2145 String sql =
86 torben 2200 "SELECT max(latitude) latmax, min(latitude) latmin, max(longitude) lngmax,min(longitude) lngmin " +
87 torben 2238 "FROM fulddaekning.adressetabel WHERE postnr BETWEEN ? and ? and rute is null;";
88 torben 2151
89 torben 2145 PreparedStatement stmt = conn.prepareStatement(sql);
90 torben 2238 stmt.setString(1, minPostnr);
91     stmt.setString(2, maxPostnr);
92 torben 2151
93 torben 2145 ResultSet res = stmt.executeQuery();
94     res.next(); //query returnerer altid 1 række
95 torben 2151
96 torben 2145 BoundingBox bbox = new BoundingBox();
97     bbox.latitudeMax = res.getDouble("latmax");
98     bbox.latitudeMin = res.getDouble("latmin");
99     bbox.longitudeMax = res.getDouble("lngmax");
100     bbox.longitudeMin = res.getDouble("lngmin");
101 torben 2151
102 torben 2145 res.close();
103     stmt.close();
104 torben 2151
105 torben 2145 return bbox;
106     }
107 torben 2247
108    
109 torben 2151
110 torben 2238 public Queue<Adresse> hentIkkedaekkedeAdresser(String postnr) throws SQLException {
111    
112 torben 2240 String minPostnr = postnr.replace('x', '0');
113     String maxPostnr = postnr.replace('x', '9');
114 torben 2238
115 torben 2145 ConcurrentLinkedQueue<Adresse> queue = new ConcurrentLinkedQueue<Adresse>();
116 torben 2151
117 torben 2231 String sql = "SELECT id,a.postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute,p.distributor as ho " +
118     "FROM fulddaekning.adressetabel a " +
119     "LEFT JOIN bogleveringer.postnummerdistributor p on (a.postnr=p.postnr) " +
120 torben 2145 "WHERE rute IS NULL " + //Ingen dækning
121 torben 2238 "AND a.postnr BETWEEN ? AND ? " +
122 torben 2145 "AND latitude IS NOT NULL " +
123     "AND longitude IS NOT NULL " +
124 torben 2235 "AND gadeid IS NOT NULL " +
125     "AND (a.distributor IS NULL OR a.distributor<>'LUKKET') ";
126 torben 2145 PreparedStatement stmt = conn.prepareStatement(sql);
127 torben 2238 stmt.setString(1, minPostnr);
128     stmt.setString(2, maxPostnr);
129 torben 2151
130 torben 2145 queue.addAll( hentAdresseListe( stmt ) );
131     return queue;
132     }
133 torben 2151
134 torben 2238 public List<String> hentPostnumre() throws SQLException {
135     ArrayList<String> list = new ArrayList<String>();
136 torben 2203
137     Constants consts = Constants.getInstance();
138 torben 2151
139 torben 2238 /*
140 torben 2200 String sql = "SELECT postnr " +
141     "FROM fulddaekning.adressetabel " +
142 torben 2203 "WHERE postnr BETWEEN ? AND ? " +
143 torben 2237 "AND rute is null " + // Træk kun liste på postnumre hvor der er ikke-dækkede adresser
144 torben 2200 "GROUP BY postnr " +
145     "ORDER by postnr";
146 torben 2238 */
147    
148    
149 torben 2240 String sql = "SELECT rpad(left(postnr,?),'4', 'x') as postnr2 " +
150 torben 2238 "FROM fulddaekning.adressetabel " +
151     "WHERE postnr BETWEEN ? AND ? " +
152 torben 2240 "AND rute is null " + // Trae kun liste paa postnumre hvor der er ikke-daekede adresser
153     "AND (postnr NOT BETWEEN 3900 and 3999) " + //Skip alle groenlandske postnumre
154 torben 2238 "GROUP BY postnr2 " +
155     "ORDER by postnr2 ";
156    
157    
158    
159 torben 2145 PreparedStatement stmt = conn.prepareStatement(sql);
160 torben 2203 //stmt.setString(1, Lookup.distributor );
161 torben 2240
162     stmt.setInt(1, consts.getPostnrGroup() );
163    
164     stmt.setInt(2, consts.getMinPostnr());
165     stmt.setInt(3, consts.getMaxPostnr());
166 torben 2145 ResultSet res = stmt.executeQuery();
167 torben 2151
168 torben 2145 while (res.next()) {
169 torben 2238 String postnr = res.getString("postnr2");
170 torben 2145 list.add(postnr);
171     }
172     res.close();
173     stmt.close();
174 torben 2151
175 torben 2145 //list.add(8700);
176 torben 2151
177 torben 2145 return list;
178     }
179 torben 2151
180 torben 2263 @Deprecated
181 torben 2207 public Adresse[] hentDaekkedeAdresser( BoundingBox bbox) throws SQLException {
182 torben 2263 long start = System.currentTimeMillis();
183 torben 2231 String sql = "SELECT id,a.postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute,p.distributor as ho " +
184     "FROM fulddaekning.adressetabel a " +
185     "LEFT JOIN bogleveringer.postnummerdistributor p on (a.postnr=p.postnr) " +
186 torben 2145 "WHERE rute IS NOT NULL " +
187     "AND latitude BETWEEN ? AND ? " +
188     "AND longitude BETWEEN ? AND ? " +
189 torben 2231 "AND a.distributor = ? ";
190 torben 2151
191 torben 2145 // Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets)
192     // Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html
193     //PreparedStatement stmt = conn.prepareStatement(sql);
194     PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
195     stmt.setFetchSize(Integer.MIN_VALUE);
196 torben 2151
197 torben 2145 stmt.setDouble(1, bbox.latitudeMin);
198     stmt.setDouble(2, bbox.latitudeMax);
199     stmt.setDouble(3, bbox.longitudeMin);
200     stmt.setDouble(4, bbox.longitudeMax);
201 torben 2241 stmt.setString(5, LookupMain.distributor);
202 torben 2151
203 torben 2207 List<Adresse> list = hentAdresseListe( stmt );
204 torben 2263 long stop = System.currentTimeMillis();
205     logger.info("Elapsed DB: " + (stop - start));
206 torben 2207 return list.toArray( new Adresse[ list.size() ] );
207 torben 2225 }
208    
209 torben 2263 public Adresse[] hentDaekkedeAdresserCache( BoundingBox bbox) {
210     long start = System.currentTimeMillis();
211     ArrayList<Adresse> list = new ArrayList<Adresse>();
212     for (Adresse a : alleAdresser) {
213     if ( a.latitude > bbox.latitudeMin && a.latitude< bbox.latitudeMax && a.longitude> bbox.longitudeMin && a.longitude < bbox.longitudeMax) {
214     list.add(a);
215     }
216     }
217     long stop = System.currentTimeMillis();
218     logger.info("Elapsed cache: " + (stop - start));
219     return list.toArray( new Adresse[ list.size() ] );
220     }
221 torben 2225
222 torben 2263
223 torben 2225 public Adresse[] hentAlleDaekkedeAdresser() throws SQLException {
224 torben 2263 if ( alleAdresser == null ) {
225     String sql = "SELECT id,a.postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute,p.distributor as ho " +
226     "FROM fulddaekning.adressetabel a " +
227     "LEFT JOIN bogleveringer.postnummerdistributor p on (a.postnr=p.postnr) " +
228     "WHERE rute IS NOT NULL " +
229     "AND latitude IS NOT NULL " +
230     "AND longitude IS NOT NULL " +
231     "AND a.distributor = ? ";
232    
233     // Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets)
234     // Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html
235     //PreparedStatement stmt = conn.prepareStatement(sql);
236     PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
237     stmt.setFetchSize(Integer.MIN_VALUE);
238    
239     stmt.setString(1, LookupMain.distributor);
240    
241     List<Adresse> list = hentAdresseListe( stmt );
242     alleAdresser = list.toArray( new Adresse[ list.size() ] );
243     }
244     return alleAdresser;
245 torben 2145 }
246 torben 2225
247    
248 torben 2145
249     public synchronized void gemResultat(Adresse orgAdresse, Adresse bedsteAdresse, double bedsteAfstand) throws SQLException {
250     /*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`) "+
251     "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";
252 torben 2151
253 torben 2145 PreparedStatement saveStmt = conn.prepareStatement(sql);*/
254 torben 2151
255 torben 2145 saveStmt.setInt(1, orgAdresse.id);
256     saveStmt.setInt(2, orgAdresse.postnr);
257     saveStmt.setString(3, orgAdresse.adresse);
258     saveStmt.setInt(4, orgAdresse.gadeid);
259     saveStmt.setInt(5, orgAdresse.husnr);
260     saveStmt.setString(6, orgAdresse.husnrbogstav);
261     saveStmt.setDouble(7, orgAdresse.latitude);
262     saveStmt.setDouble(8, orgAdresse.longitude);
263     saveStmt.setString(9, orgAdresse.rute);
264 torben 2151
265    
266 torben 2145 saveStmt.setInt(10, bedsteAdresse.id);
267     saveStmt.setInt(11, bedsteAdresse.postnr);
268     saveStmt.setString(12, bedsteAdresse.adresse);
269     saveStmt.setInt(13, bedsteAdresse.gadeid);
270     saveStmt.setInt(14, bedsteAdresse.husnr);
271     saveStmt.setString(15, bedsteAdresse.husnrbogstav);
272     saveStmt.setDouble(16, bedsteAdresse.latitude);
273     saveStmt.setDouble(17, bedsteAdresse.longitude);
274     saveStmt.setString(18, bedsteAdresse.rute);
275 torben 2151
276 torben 2145 saveStmt.setDouble(19, bedsteAfstand);
277 torben 2151
278 torben 2219 saveStmt.addBatch();
279     batchCount++;
280     if (batchCount >= 100) {
281     saveStmt.executeBatch();
282     batchCount = 0;
283     }
284     //saveStmt.executeUpdate();
285     //saveStmt.clearParameters();
286 torben 2151
287 torben 2145 //saveStmt.close();
288     }
289 torben 2219
290     public synchronized void saveBatch() throws SQLException{
291     saveStmt.executeBatch();
292     batchCount = 0;
293     }
294 torben 2151
295    
296    
297 torben 2145 protected ArrayList<Adresse> hentAdresseListe(PreparedStatement stmt) throws SQLException{
298 torben 2210 ArrayList<Adresse> list = new ArrayList<Adresse>( 1000000 );
299 torben 2151
300 torben 2145 //logger.info("Starting query");
301     ResultSet res = stmt.executeQuery();
302     //logger.info("Starting exec query done");
303 torben 2151
304 torben 2145 while (res.next()) {
305     Adresse adr = new Adresse();
306 torben 2261
307     /*
308 torben 2145 adr.id = res.getInt("id");
309     adr.postnr = res.getInt("postnr");
310     adr.adresse = res.getString("adresse");
311     adr.gadeid = res.getInt("gadeid");
312     adr.husnr = res.getInt("husnr");
313     adr.husnrbogstav = res.getString("husnrbogstav");
314     adr.latitude = res.getDouble("latitude");
315     adr.longitude = res.getDouble("longitude");
316     adr.rute = res.getString("rute");
317 torben 2231 adr.ho = res.getInt("ho");
318 torben 2261 */
319    
320     adr.id = res.getInt(1);
321     adr.postnr = res.getInt(2);
322     adr.adresse = res.getString(3);
323     adr.gadeid = res.getInt(4);
324     adr.husnr = res.getInt(5);
325 torben 2327 adr.husnrbogstav = husnrbogstavCache.getInstance( res.getString(6) );
326 torben 2261 adr.latitude = res.getDouble(7);
327     adr.longitude = res.getDouble(8);
328 torben 2327 adr.rute = ruteCache.getInstance( res.getString(9) );
329 torben 2261 adr.ho = res.getInt(10);
330 torben 2151
331 torben 2145 list.add(adr);
332 torben 2151
333 torben 2145 //logger.info( "Adress:" + adr);
334     }
335 torben 2151
336 torben 2145 res.close();
337     stmt.close();
338 torben 2151
339 torben 2145 return list;
340     }
341    
342 torben 2157 public Connection getConnection(SafeProperties conf) throws SQLException, IOException {
343 torben 2152
344 torben 2157 String db_host = conf.getSafeProperty("DB_HOST");
345     String db_user = conf.getSafeProperty("DB_USER");
346     String db_pass = conf.getSafeProperty("DB_PASS");
347 torben 2145
348 torben 2152
349    
350 torben 2151
351 torben 2152 Connection conn = null;
352     Properties connectionProps = new Properties();
353     connectionProps.put("user", db_user);
354     connectionProps.put("password", db_pass);
355    
356 torben 2220 //For debug output, tilføj denne til JDBC url'en: &profileSQL=true
357 torben 2152 conn = DriverManager.getConnection(
358     "jdbc:mysql://" +
359     db_host +
360 torben 2218 ":3306/?rewriteBatchedStatements=true",
361 torben 2152 connectionProps);
362     logger.info("Connected to database");
363     return conn;
364     }
365    
366 torben 2145 }

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