/[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 2192 - (hide annotations) (download)
Thu Jun 19 10:24:16 2014 UTC (9 years, 11 months ago) by torben
Original Path: dao/FuldDaekningWorker/src/dk/daoas/fulddaekning/Database.java
File size: 7935 byte(s)
Let java code handle renaming of tables
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     public class Database {
18     Logger logger = Logger.getLogger(Database.class.getName());
19 torben 2151
20    
21 torben 2145 Connection conn;
22     PreparedStatement saveStmt;
23    
24 torben 2157 public Database(SafeProperties conf) throws SQLException,IOException {
25 torben 2152 this.conn = getConnection( conf );
26 torben 2151
27 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`) "+
28 torben 2151 "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";
29 torben 2145
30 torben 2150 saveStmt = conn.prepareStatement(sql);
31 torben 2151
32 torben 2145 }
33 torben 2151
34     public void resetResultTable() throws SQLException {
35 torben 2192 logger.info("Dropping old result table (if exists)");
36     String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_ny";
37 torben 2151 conn.createStatement().executeUpdate(sql);
38 torben 2192
39     logger.info("Create new result table");
40     sql = "CREATE TABLE fulddaekning.afstand_anden_rute_ny LIKE fulddaekning.afstand_anden_rute";
41     conn.createStatement().executeUpdate(sql);
42 torben 2151 }
43 torben 2192
44     public void renameResultTables() throws SQLException {
45     logger.info("Dropping old backup table (if exists)");
46     String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_old";
47     conn.createStatement().executeUpdate(sql);
48    
49     logger.info("Rename tables");
50     sql = "RENAME TABLE fulddaekning.afstand_anden_rute TO fulddaekning.afstand_anden_rute_old, fulddaekning.afstand_anden_rute_ny TO fulddaekning.afstand_anden_rute";
51     conn.createStatement().executeUpdate(sql);
52     }
53 torben 2151
54 torben 2145 public BoundingBox getBoundingbox(int postnr) throws SQLException {
55 torben 2151
56 torben 2145 String sql =
57     "select max(latitude) latmax, min(latitude) latmin, max(longitude) lngmax,min(longitude) lngmin " +
58 torben 2151 "from fulddaekning.adressetabel WHERE postnr=? and rute is null;";
59    
60 torben 2145 PreparedStatement stmt = conn.prepareStatement(sql);
61     stmt.setInt(1, postnr);
62 torben 2151
63 torben 2145 ResultSet res = stmt.executeQuery();
64     res.next(); //query returnerer altid 1 række
65 torben 2151
66 torben 2145 BoundingBox bbox = new BoundingBox();
67     bbox.latitudeMax = res.getDouble("latmax");
68     bbox.latitudeMin = res.getDouble("latmin");
69     bbox.longitudeMax = res.getDouble("lngmax");
70     bbox.longitudeMin = res.getDouble("lngmin");
71 torben 2151
72 torben 2145 res.close();
73     stmt.close();
74 torben 2151
75 torben 2145 return bbox;
76     }
77 torben 2151
78 torben 2145 public Queue<Adresse> hentIkkedaekkedeAdresser(int postnr) throws SQLException {
79     ConcurrentLinkedQueue<Adresse> queue = new ConcurrentLinkedQueue<Adresse>();
80 torben 2151
81 torben 2145 String sql = "SELECT id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute FROM fulddaekning.adressetabel " +
82     "WHERE rute IS NULL " + //Ingen dækning
83     "AND postnr=? " +
84     "AND latitude IS NOT NULL " +
85     "AND longitude IS NOT NULL " +
86     "AND gadeid IS NOT NULL ";
87     PreparedStatement stmt = conn.prepareStatement(sql);
88     stmt.setInt(1, postnr);
89 torben 2151
90 torben 2145 queue.addAll( hentAdresseListe( stmt ) );
91     return queue;
92     }
93 torben 2151
94 torben 2145 public List<Integer> hentPostnumre() throws SQLException {
95     ArrayList<Integer> list = new ArrayList<Integer>();
96 torben 2151
97    
98 torben 2145 String sql = "SELECT postnr FROM fulddaekning.adressetabel WHERE distributor = 'DAO' and rute is not null GROUP BY postnr ORDER by postnr";
99     PreparedStatement stmt = conn.prepareStatement(sql);
100     ResultSet res = stmt.executeQuery();
101 torben 2151
102 torben 2145 while (res.next()) {
103     int postnr = res.getInt("postnr");
104     list.add(postnr);
105     }
106     res.close();
107     stmt.close();
108 torben 2151
109 torben 2145 //list.add(8700);
110 torben 2151
111 torben 2145 return list;
112     }
113 torben 2151
114 torben 2145 public ArrayList<Adresse> hentDaekkedeAdresser( BoundingBox bbox) throws SQLException {
115     String sql = "SELECT id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute FROM fulddaekning.adressetabel " +
116     "WHERE rute IS NOT NULL " +
117     "AND latitude BETWEEN ? AND ? " +
118     "AND longitude BETWEEN ? AND ? " +
119     "AND distributor = 'DAO' ";
120 torben 2151
121 torben 2145 // Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets)
122     // Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html
123     //PreparedStatement stmt = conn.prepareStatement(sql);
124     PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
125     stmt.setFetchSize(Integer.MIN_VALUE);
126 torben 2151
127 torben 2145 stmt.setDouble(1, bbox.latitudeMin);
128     stmt.setDouble(2, bbox.latitudeMax);
129     stmt.setDouble(3, bbox.longitudeMin);
130     stmt.setDouble(4, bbox.longitudeMax);
131 torben 2151
132 torben 2145 return hentAdresseListe( stmt );
133 torben 2151
134 torben 2145 }
135    
136 torben 2151
137 torben 2145 public synchronized void gemResultat(Adresse orgAdresse, Adresse bedsteAdresse, double bedsteAfstand) throws SQLException {
138     /*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`) "+
139     "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?, now() )";
140 torben 2151
141 torben 2145 PreparedStatement saveStmt = conn.prepareStatement(sql);*/
142 torben 2151
143 torben 2145 saveStmt.setInt(1, orgAdresse.id);
144     saveStmt.setInt(2, orgAdresse.postnr);
145     saveStmt.setString(3, orgAdresse.adresse);
146     saveStmt.setInt(4, orgAdresse.gadeid);
147     saveStmt.setInt(5, orgAdresse.husnr);
148     saveStmt.setString(6, orgAdresse.husnrbogstav);
149     saveStmt.setDouble(7, orgAdresse.latitude);
150     saveStmt.setDouble(8, orgAdresse.longitude);
151     saveStmt.setString(9, orgAdresse.rute);
152 torben 2151
153    
154 torben 2145 saveStmt.setInt(10, bedsteAdresse.id);
155     saveStmt.setInt(11, bedsteAdresse.postnr);
156     saveStmt.setString(12, bedsteAdresse.adresse);
157     saveStmt.setInt(13, bedsteAdresse.gadeid);
158     saveStmt.setInt(14, bedsteAdresse.husnr);
159     saveStmt.setString(15, bedsteAdresse.husnrbogstav);
160     saveStmt.setDouble(16, bedsteAdresse.latitude);
161     saveStmt.setDouble(17, bedsteAdresse.longitude);
162     saveStmt.setString(18, bedsteAdresse.rute);
163 torben 2151
164 torben 2145 saveStmt.setDouble(19, bedsteAfstand);
165 torben 2151
166 torben 2145 saveStmt.executeUpdate();
167     saveStmt.clearParameters();
168 torben 2151
169    
170 torben 2145 //saveStmt.close();
171 torben 2151
172 torben 2145 }
173 torben 2151
174    
175    
176 torben 2145 protected ArrayList<Adresse> hentAdresseListe(PreparedStatement stmt) throws SQLException{
177     ArrayList<Adresse> list = new ArrayList<Adresse>( 30000 );
178 torben 2151
179 torben 2145 //logger.info("Starting query");
180     ResultSet res = stmt.executeQuery();
181     //logger.info("Starting exec query done");
182 torben 2151
183 torben 2145 while (res.next()) {
184     Adresse adr = new Adresse();
185     adr.id = res.getInt("id");
186     adr.postnr = res.getInt("postnr");
187     adr.adresse = res.getString("adresse");
188     adr.gadeid = res.getInt("gadeid");
189     adr.husnr = res.getInt("husnr");
190     adr.husnrbogstav = res.getString("husnrbogstav");
191     adr.latitude = res.getDouble("latitude");
192     adr.longitude = res.getDouble("longitude");
193     adr.rute = res.getString("rute");
194 torben 2151
195 torben 2145 list.add(adr);
196 torben 2151
197 torben 2145 //logger.info( "Adress:" + adr);
198     }
199 torben 2151
200 torben 2145 res.close();
201     stmt.close();
202 torben 2151
203 torben 2145 return list;
204     }
205    
206 torben 2157 public Connection getConnection(SafeProperties conf) throws SQLException, IOException {
207 torben 2152
208 torben 2157 String db_host = conf.getSafeProperty("DB_HOST");
209     String db_user = conf.getSafeProperty("DB_USER");
210     String db_pass = conf.getSafeProperty("DB_PASS");
211 torben 2145
212 torben 2152
213    
214 torben 2151
215 torben 2152 Connection conn = null;
216     Properties connectionProps = new Properties();
217     connectionProps.put("user", db_user);
218     connectionProps.put("password", db_pass);
219    
220     conn = DriverManager.getConnection(
221     "jdbc:mysql://" +
222     db_host +
223     ":3306/",
224     connectionProps);
225     logger.info("Connected to database");
226     return conn;
227     }
228    
229 torben 2145 }

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