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import java.util.logging.Logger; |
import java.util.logging.Logger; |
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public class Database { |
public class Database { |
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Logger logger = Logger.getLogger(Database.class.getName()); |
Logger logger = Logger.getLogger(Database.class.getName()); |
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int batchCount = 0; |
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Connection conn; |
Connection conn; |
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PreparedStatement saveStmt; |
PreparedStatement saveStmt; |
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} |
} |
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public void renameResultTables() throws SQLException { |
public void renameResultTables() throws SQLException { |
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Constants consts = Constants.getInstance(); |
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String ext = consts.getTableExtension(); |
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logger.info("Dropping old backup table (if exists)"); |
logger.info("Dropping old backup table (if exists)"); |
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String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_old"; |
String sql = "DROP TABLE IF EXISTS fulddaekning.afstand_anden_rute_old" + ext; |
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conn.createStatement().executeUpdate(sql); |
conn.createStatement().executeUpdate(sql); |
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logger.info("Rename tables"); |
logger.info("Rename tables"); |
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sql = "RENAME TABLE fulddaekning.afstand_anden_rute TO fulddaekning.afstand_anden_rute_old, fulddaekning.afstand_anden_rute_ny TO fulddaekning.afstand_anden_rute"; |
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; |
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conn.createStatement().executeUpdate(sql); |
conn.createStatement().executeUpdate(sql); |
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} |
} |
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List<Adresse> list = hentAdresseListe( stmt ); |
List<Adresse> list = hentAdresseListe( stmt ); |
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return list.toArray( new Adresse[ list.size() ] ); |
return list.toArray( new Adresse[ list.size() ] ); |
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} |
} |
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public Adresse[] hentAlleDaekkedeAdresser() throws SQLException { |
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String sql = "SELECT id,postnr,adresse,gadeid,husnr,husnrbogstav,latitude,longitude,rute " + |
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"FROM fulddaekning.adressetabel " + |
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"WHERE rute IS NOT NULL " + |
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"AND latitude IS NOT NULL" + |
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"AND longitude IS NOT NULL " + |
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"AND distributor = ? "; |
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// Forward only + concur_read_only + fetchsize tvinger driver til at hente en række af gangen (bedre performance ved store result sets) |
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// Se http://dev.mysql.com/doc/connector-j/en/connector-j-reference-implementation-notes.html |
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//PreparedStatement stmt = conn.prepareStatement(sql); |
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PreparedStatement stmt = conn.prepareStatement(sql, java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY); |
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stmt.setFetchSize(Integer.MIN_VALUE); |
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stmt.setString(1, Lookup.distributor); |
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List<Adresse> list = hentAdresseListe( stmt ); |
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return list.toArray( new Adresse[ list.size() ] ); |
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} |
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public synchronized void gemResultat(Adresse orgAdresse, Adresse bedsteAdresse, double bedsteAfstand) throws SQLException { |
public synchronized void gemResultat(Adresse orgAdresse, Adresse bedsteAdresse, double bedsteAfstand) throws SQLException { |
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/*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`) "+ |
/*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`) "+ |
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saveStmt.setDouble(19, bedsteAfstand); |
saveStmt.setDouble(19, bedsteAfstand); |
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saveStmt.executeUpdate(); |
saveStmt.addBatch(); |
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saveStmt.clearParameters(); |
batchCount++; |
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if (batchCount >= 100) { |
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saveStmt.executeBatch(); |
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batchCount = 0; |
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} |
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//saveStmt.executeUpdate(); |
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//saveStmt.clearParameters(); |
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//saveStmt.close(); |
//saveStmt.close(); |
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} |
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public synchronized void saveBatch() throws SQLException{ |
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saveStmt.executeBatch(); |
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batchCount = 0; |
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} |
} |
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protected ArrayList<Adresse> hentAdresseListe(PreparedStatement stmt) throws SQLException{ |
protected ArrayList<Adresse> hentAdresseListe(PreparedStatement stmt) throws SQLException{ |
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ArrayList<Adresse> list = new ArrayList<Adresse>( 30000 ); |
ArrayList<Adresse> list = new ArrayList<Adresse>( 1000000 ); |
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//logger.info("Starting query"); |
//logger.info("Starting query"); |
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ResultSet res = stmt.executeQuery(); |
ResultSet res = stmt.executeQuery(); |
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connectionProps.put("user", db_user); |
connectionProps.put("user", db_user); |
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connectionProps.put("password", db_pass); |
connectionProps.put("password", db_pass); |
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//For debug output, tilføj denne til JDBC url'en: &profileSQL=true |
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conn = DriverManager.getConnection( |
conn = DriverManager.getConnection( |
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"jdbc:mysql://" + |
"jdbc:mysql://" + |
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db_host + |
db_host + |
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":3306/", |
":3306/?rewriteBatchedStatements=true", |
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connectionProps); |
connectionProps); |
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logger.info("Connected to database"); |
logger.info("Connected to database"); |
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return conn; |
return conn; |