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

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Revision 2219 - (hide annotations) (download)
Fri Sep 12 21:03:06 2014 UTC (9 years, 8 months ago) by torben
File size: 8624 byte(s)
Switch to batch inserts
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     import java.util.List;
11 torben 2152 import java.util.Properties;
12 torben 2145 import java.util.Queue;
13     import java.util.concurrent.ConcurrentLinkedQueue;
14     import java.util.logging.Logger;
15    
16    
17 torben 2219
18 torben 2145 public class Database {
19     Logger logger = Logger.getLogger(Database.class.getName());
20 torben 2151
21 torben 2219 int batchCount = 0;
22 torben 2151
23 torben 2145 Connection conn;
24     PreparedStatement saveStmt;
25    
26 torben 2157 public Database(SafeProperties conf) throws SQLException,IOException {
27 torben 2152 this.conn = getConnection( conf );
28 torben 2151
29 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`) "+
30 torben 2151 "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";
31 torben 2145
32 torben 2150 saveStmt = conn.prepareStatement(sql);
33 torben 2151
34 torben 2145 }
35 torben 2151
36     public void resetResultTable() throws SQLException {
37 torben 2192 logger.info("Dropping old result table (if exists)");
38     String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_ny";
39 torben 2151 conn.createStatement().executeUpdate(sql);
40 torben 2192
41     logger.info("Create new result table");
42     sql = "CREATE TABLE fulddaekning.afstand_anden_rute_ny LIKE fulddaekning.afstand_anden_rute";
43     conn.createStatement().executeUpdate(sql);
44 torben 2151 }
45 torben 2192
46     public void renameResultTables() throws SQLException {
47     logger.info("Dropping old backup table (if exists)");
48     String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_old";
49     conn.createStatement().executeUpdate(sql);
50    
51     logger.info("Rename tables");
52     sql = "RENAME TABLE fulddaekning.afstand_anden_rute TO fulddaekning.afstand_anden_rute_old, fulddaekning.afstand_anden_rute_ny TO fulddaekning.afstand_anden_rute";
53     conn.createStatement().executeUpdate(sql);
54     }
55 torben 2151
56 torben 2145 public BoundingBox getBoundingbox(int postnr) throws SQLException {
57 torben 2151
58 torben 2145 String sql =
59 torben 2200 "SELECT max(latitude) latmax, min(latitude) latmin, max(longitude) lngmax,min(longitude) lngmin " +
60     "FROM fulddaekning.adressetabel WHERE postnr=? and rute is null;";
61 torben 2151
62 torben 2145 PreparedStatement stmt = conn.prepareStatement(sql);
63     stmt.setInt(1, postnr);
64 torben 2151
65 torben 2145 ResultSet res = stmt.executeQuery();
66     res.next(); //query returnerer altid 1 række
67 torben 2151
68 torben 2145 BoundingBox bbox = new BoundingBox();
69     bbox.latitudeMax = res.getDouble("latmax");
70     bbox.latitudeMin = res.getDouble("latmin");
71     bbox.longitudeMax = res.getDouble("lngmax");
72     bbox.longitudeMin = res.getDouble("lngmin");
73 torben 2151
74 torben 2145 res.close();
75     stmt.close();
76 torben 2151
77 torben 2145 return bbox;
78     }
79 torben 2151
80 torben 2145 public Queue<Adresse> hentIkkedaekkedeAdresser(int postnr) throws SQLException {
81     ConcurrentLinkedQueue<Adresse> queue = new ConcurrentLinkedQueue<Adresse>();
82 torben 2151
83 torben 2200 String sql = "SELECT id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute " +
84     "FROM fulddaekning.adressetabel " +
85 torben 2145 "WHERE rute IS NULL " + //Ingen dækning
86     "AND postnr=? " +
87     "AND latitude IS NOT NULL " +
88     "AND longitude IS NOT NULL " +
89     "AND gadeid IS NOT NULL ";
90     PreparedStatement stmt = conn.prepareStatement(sql);
91     stmt.setInt(1, postnr);
92 torben 2151
93 torben 2145 queue.addAll( hentAdresseListe( stmt ) );
94     return queue;
95     }
96 torben 2151
97 torben 2145 public List<Integer> hentPostnumre() throws SQLException {
98     ArrayList<Integer> list = new ArrayList<Integer>();
99 torben 2203
100     Constants consts = Constants.getInstance();
101 torben 2151
102    
103 torben 2200 String sql = "SELECT postnr " +
104     "FROM fulddaekning.adressetabel " +
105 torben 2203 //"WHERE distributor = ? and rute is not null " +
106     "WHERE postnr BETWEEN ? AND ? " +
107 torben 2200 "GROUP BY postnr " +
108     "ORDER by postnr";
109 torben 2145 PreparedStatement stmt = conn.prepareStatement(sql);
110 torben 2203 //stmt.setString(1, Lookup.distributor );
111     stmt.setInt(1, consts.getMinPostnr());
112     stmt.setInt(2, consts.getMaxPostnr());
113 torben 2145 ResultSet res = stmt.executeQuery();
114 torben 2151
115 torben 2145 while (res.next()) {
116     int postnr = res.getInt("postnr");
117     list.add(postnr);
118     }
119     res.close();
120     stmt.close();
121 torben 2151
122 torben 2145 //list.add(8700);
123 torben 2151
124 torben 2145 return list;
125     }
126 torben 2151
127 torben 2207 public Adresse[] hentDaekkedeAdresser( BoundingBox bbox) throws SQLException {
128 torben 2200 String sql = "SELECT id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute " +
129     "FROM fulddaekning.adressetabel " +
130 torben 2145 "WHERE rute IS NOT NULL " +
131     "AND latitude BETWEEN ? AND ? " +
132     "AND longitude BETWEEN ? AND ? " +
133 torben 2200 "AND distributor = ? ";
134 torben 2151
135 torben 2145 // Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets)
136     // Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html
137     //PreparedStatement stmt = conn.prepareStatement(sql);
138     PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
139     stmt.setFetchSize(Integer.MIN_VALUE);
140 torben 2151
141 torben 2145 stmt.setDouble(1, bbox.latitudeMin);
142     stmt.setDouble(2, bbox.latitudeMax);
143     stmt.setDouble(3, bbox.longitudeMin);
144     stmt.setDouble(4, bbox.longitudeMax);
145 torben 2200 stmt.setString(5, Lookup.distributor);
146 torben 2151
147 torben 2207 List<Adresse> list = hentAdresseListe( stmt );
148     return list.toArray( new Adresse[ list.size() ] );
149 torben 2151
150 torben 2145 }
151    
152 torben 2151
153 torben 2145 public synchronized void gemResultat(Adresse orgAdresse, Adresse bedsteAdresse, double bedsteAfstand) throws SQLException {
154     /*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`) "+
155     "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";
156 torben 2151
157 torben 2145 PreparedStatement saveStmt = conn.prepareStatement(sql);*/
158 torben 2151
159 torben 2145 saveStmt.setInt(1, orgAdresse.id);
160     saveStmt.setInt(2, orgAdresse.postnr);
161     saveStmt.setString(3, orgAdresse.adresse);
162     saveStmt.setInt(4, orgAdresse.gadeid);
163     saveStmt.setInt(5, orgAdresse.husnr);
164     saveStmt.setString(6, orgAdresse.husnrbogstav);
165     saveStmt.setDouble(7, orgAdresse.latitude);
166     saveStmt.setDouble(8, orgAdresse.longitude);
167     saveStmt.setString(9, orgAdresse.rute);
168 torben 2151
169    
170 torben 2145 saveStmt.setInt(10, bedsteAdresse.id);
171     saveStmt.setInt(11, bedsteAdresse.postnr);
172     saveStmt.setString(12, bedsteAdresse.adresse);
173     saveStmt.setInt(13, bedsteAdresse.gadeid);
174     saveStmt.setInt(14, bedsteAdresse.husnr);
175     saveStmt.setString(15, bedsteAdresse.husnrbogstav);
176     saveStmt.setDouble(16, bedsteAdresse.latitude);
177     saveStmt.setDouble(17, bedsteAdresse.longitude);
178     saveStmt.setString(18, bedsteAdresse.rute);
179 torben 2151
180 torben 2145 saveStmt.setDouble(19, bedsteAfstand);
181 torben 2151
182 torben 2219 saveStmt.addBatch();
183     batchCount++;
184     if (batchCount >= 100) {
185     saveStmt.executeBatch();
186     batchCount = 0;
187     }
188     //saveStmt.executeUpdate();
189     //saveStmt.clearParameters();
190 torben 2151
191 torben 2145 //saveStmt.close();
192     }
193 torben 2219
194     public synchronized void saveBatch() throws SQLException{
195     saveStmt.executeBatch();
196     batchCount = 0;
197     }
198 torben 2151
199    
200    
201 torben 2145 protected ArrayList<Adresse> hentAdresseListe(PreparedStatement stmt) throws SQLException{
202 torben 2210 ArrayList<Adresse> list = new ArrayList<Adresse>( 1000000 );
203 torben 2151
204 torben 2145 //logger.info("Starting query");
205     ResultSet res = stmt.executeQuery();
206     //logger.info("Starting exec query done");
207 torben 2151
208 torben 2145 while (res.next()) {
209     Adresse adr = new Adresse();
210     adr.id = res.getInt("id");
211     adr.postnr = res.getInt("postnr");
212     adr.adresse = res.getString("adresse");
213     adr.gadeid = res.getInt("gadeid");
214     adr.husnr = res.getInt("husnr");
215     adr.husnrbogstav = res.getString("husnrbogstav");
216     adr.latitude = res.getDouble("latitude");
217     adr.longitude = res.getDouble("longitude");
218     adr.rute = res.getString("rute");
219 torben 2151
220 torben 2145 list.add(adr);
221 torben 2151
222 torben 2145 //logger.info( "Adress:" + adr);
223     }
224 torben 2151
225 torben 2145 res.close();
226     stmt.close();
227 torben 2151
228 torben 2145 return list;
229     }
230    
231 torben 2157 public Connection getConnection(SafeProperties conf) throws SQLException, IOException {
232 torben 2152
233 torben 2157 String db_host = conf.getSafeProperty("DB_HOST");
234     String db_user = conf.getSafeProperty("DB_USER");
235     String db_pass = conf.getSafeProperty("DB_PASS");
236 torben 2145
237 torben 2152
238    
239 torben 2151
240 torben 2152 Connection conn = null;
241     Properties connectionProps = new Properties();
242     connectionProps.put("user", db_user);
243     connectionProps.put("password", db_pass);
244    
245 torben 2219
246    
247 torben 2152 conn = DriverManager.getConnection(
248     "jdbc:mysql://" +
249     db_host +
250 torben 2218 ":3306/?rewriteBatchedStatements=true",
251 torben 2152 connectionProps);
252     logger.info("Connected to database");
253     return conn;
254     }
255    
256 torben 2145 }

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