adressevedligehold/db/DatabaseLayerImplementation.java

package dk.daoas.adressevedligehold.db;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;

import dk.daoas.adressevedligehold.beans.Address;
import dk.daoas.adressevedligehold.util.DeduplicateHelper;
import dk.daoas.adressevedligehold.util.TimingHelper;

/*
 * TODO: Batched skrivning af updates
 * TODO: Skrivning af nye adresser 
 *  
 */

public class DatabaseLayerImplementation  {
        
        static boolean DEBUG = false;
        
        
        public List<Address> getAllAdresses() throws SQLException {
                TimingHelper timing = new TimingHelper();
                
                String debugFilter = DatabaseLayerImplementation.DEBUG ? " WHERE postnr = 8700 " : "";
                
                String sql = 
                                "SELECT id,vejnavn,husnr,husnrbogstav,kommunekode,vejkode,postnr,gadeid,upper(distributor) AS distributor,dbkbane,latitude,longitude, "
                                + "rutema,korelistema,ruteti,korelisteti,ruteon,korelisteon,ruteto,korelisteto,rutefr,korelistefr,rutelo,korelistelo,ruteso,korelisteso "
                                + "FROM fulddaekning.adressetabel "
                                + debugFilter
                                ;
                
                try ( Connection conn = DBConnection.getConnection();           
                                Statement stmt = conn.createStatement(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
                                ) {
                        stmt.setFetchSize(Integer.MIN_VALUE);
                        ResultSet res = stmt.executeQuery(sql);
                        
                        List<Address> list = new ArrayList<Address>(2600000);//initial capacity 2.6 mio
                        
                        DeduplicateHelper<String> vejnavnCache = new DeduplicateHelper<String>(81920);
                        DeduplicateHelper<String> husnrbogstavCache = new DeduplicateHelper<String>();
                        DeduplicateHelper<String> distributorCache = new DeduplicateHelper<String>();
                        DeduplicateHelper<String> dirigeringsCache = new DeduplicateHelper<String>(16*1024);                    
        
                        
                        while (res.next()) {
                                
                                Address a = new Address();
                                a.id = res.getInt(1);
                                a.vejnavn = vejnavnCache.getInstance( res.getString(2) );
                                a.husnr = (short) res.getInt(3);
                                a.husnrbogstav = husnrbogstavCache.getInstance( res.getString(4) );
                                a.kommunekode = (short) res.getInt(5);
                                a.vejkode = (short)res.getInt(6);
                                a.postnr = (short)res.getInt(7);
                                a.gadeid = res.getInt(8);
                                a.distributor = distributorCache.getInstance(res.getString(9));
                                a.dbkBane = (short) res.getInt(10);
                                a.latitude = (float) res.getDouble(11);
                                a.longitude = (float) res.getDouble(12);
                                
                                a.ruteMandag = dirigeringsCache.getInstance( res.getString(13) );
                                a.korelisteMandag = dirigeringsCache.getInstance( res.getString(14) );
                                
                                a.ruteTirsdag = dirigeringsCache.getInstance( res.getString(15) );
                                a.korelisteTirsdag = dirigeringsCache.getInstance( res.getString(16) );                         

                                a.ruteOnsdag = dirigeringsCache.getInstance( res.getString(17) );
                                a.korelisteOnsdag = dirigeringsCache.getInstance( res.getString(18) );
                                
                                a.ruteTorsdag = dirigeringsCache.getInstance( res.getString(19) );
                                a.korelisteTorsdag = dirigeringsCache.getInstance( res.getString(20) );
                                
                                a.ruteFredag = dirigeringsCache.getInstance( res.getString(21) );
                                a.korelisteFredag = dirigeringsCache.getInstance( res.getString(22) );
                                
                                a.ruteLordag = dirigeringsCache.getInstance( res.getString(23) );
                                a.korelisteLordag = dirigeringsCache.getInstance( res.getString(24) );
                                
                                a.ruteSondag = dirigeringsCache.getInstance( res.getString(25) );
                                a.korelisteSondag = dirigeringsCache.getInstance( res.getString(26) );


                                list.add(a);
                        }
                        res.close();
                        
                        
                        System.out.println("DB Loaded " + list.size() + " adresses in " + timing.getElapsed() + "ms");
                        
                        return list;
                }
        }
        
        private void updateAddressesBatch(List<Address> addresses)  throws SQLException {
                
        }
        
        public void updateAddresses(List<Address> addresses) {
                
                String sql = "UPDATE fulddaekning.adressetabel " +
                                        "SET " +
                                        "RuteMa=?, KorelisteMa=?, " +
                                        "RuteTi=?, KorelisteTi=?, " +
                                        "RuteOn=?, KorelisteOn=?, " +
                                        "RuteTo=?, KorelisteTo=?, " +
                                        "RuteFr=?, KorelisteFr=?, " +
                                        "RuteLo=?, KorelisteLo=?, " +
                                        "RuteSo=?, KorelisteSo=?  " +
                                        "WHERE id=?";
                                        
                                        
                try (Connection con = DBConnection.getConnection()) {
                        con.setAutoCommit(false);
                        
                        try (PreparedStatement stmt = con.prepareStatement(sql)) {
                                for (Address addr : addresses) {
                                        stmt.setString(1, addr.ruteMandag);
                                        stmt.setString(2, addr.korelisteMandag);
                                        stmt.setString(3, addr.ruteTirsdag);
                                        stmt.setString(4, addr.korelisteTirsdag);
                                        stmt.setString(5, addr.ruteOnsdag);
                                        stmt.setString(6, addr.korelisteOnsdag);
                                        stmt.setString(7, addr.ruteTorsdag);
                                        stmt.setString(8, addr.korelisteTorsdag);
                                        stmt.setString(9, addr.ruteFredag);
                                        stmt.setString(10, addr.korelisteFredag);
                                        stmt.setString(11, addr.ruteLordag);
                                        stmt.setString(12, addr.korelisteLordag);
                                        stmt.setString(13, addr.ruteSondag);
                                        stmt.setString(14, addr.korelisteSondag);

                                        stmt.setInt(15, addr.id);

                                        
                                        stmt.execute();
                                        if (stmt.getUpdateCount() != 1) {
                                                System.out.println("Error executing update");
                                        }
                                        
                                }
                        }
                        
                        con.commit();
                } catch (SQLException e) {
                        System.out.println("Error updating addresses" + e.getMessage() );
                }
        }
        
        private static String nullify(String str) {
                if (str == null)
                        return null;
                
                if (str.equals("")) {
                        return null;
                } else {
                        return str;
                }
        }


        /*
        private static int safeInt(String str) {
                try {
                        return Integer.parseInt( str );
                } catch (NumberFormatException e) {
                        return 0;
                }
        }
        

        private static String coalesce(String s1, String s2) {
                if (s1 != null)
                        return s1;
                
                return s2;
        }

        */
}
1	package dk.daoas.adressevedligehold.db;
2
3	import java.sql.Connection;
4	import java.sql.PreparedStatement;
5	import java.sql.ResultSet;
6	import java.sql.SQLException;
7	import java.sql.Statement;
8	import java.util.ArrayList;
9	import java.util.List;
10
11	import dk.daoas.adressevedligehold.beans.Address;
12	import dk.daoas.adressevedligehold.util.DeduplicateHelper;
13	import dk.daoas.adressevedligehold.util.TimingHelper;
14
15	/*
16	* TODO: Batched skrivning af updates
17	* TODO: Skrivning af nye adresser
18	*
19	*/
20
21	public class DatabaseLayerImplementation {
22
23	static boolean DEBUG = false;
24
25
26	public List<Address> getAllAdresses() throws SQLException {
27	TimingHelper timing = new TimingHelper();
28
29	String debugFilter = DatabaseLayerImplementation.DEBUG ? " WHERE postnr = 8700 " : "";
30
31	String sql =
32	"SELECT id,vejnavn,husnr,husnrbogstav,kommunekode,vejkode,postnr,gadeid,upper(distributor) AS distributor,dbkbane,latitude,longitude, "
33	+ "rutema,korelistema,ruteti,korelisteti,ruteon,korelisteon,ruteto,korelisteto,rutefr,korelistefr,rutelo,korelistelo,ruteso,korelisteso "
34	+ "FROM fulddaekning.adressetabel "
35	+ debugFilter
36	;
37
38	try ( Connection conn = DBConnection.getConnection();
39	Statement stmt = conn.createStatement(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY);
40	) {
41	stmt.setFetchSize(Integer.MIN_VALUE);
42	ResultSet res = stmt.executeQuery(sql);
43
44	List<Address> list = new ArrayList<Address>(2600000);//initial capacity 2.6 mio
45
46	DeduplicateHelper<String> vejnavnCache = new DeduplicateHelper<String>(81920);
47	DeduplicateHelper<String> husnrbogstavCache = new DeduplicateHelper<String>();
48	DeduplicateHelper<String> distributorCache = new DeduplicateHelper<String>();
49	DeduplicateHelper<String> dirigeringsCache = new DeduplicateHelper<String>(16*1024);
50
51
52	while (res.next()) {
53
54	Address a = new Address();
55	a.id = res.getInt(1);
56	a.vejnavn = vejnavnCache.getInstance( res.getString(2) );
57	a.husnr = (short) res.getInt(3);
58	a.husnrbogstav = husnrbogstavCache.getInstance( res.getString(4) );
59	a.kommunekode = (short) res.getInt(5);
60	a.vejkode = (short)res.getInt(6);
61	a.postnr = (short)res.getInt(7);
62	a.gadeid = res.getInt(8);
63	a.distributor = distributorCache.getInstance(res.getString(9));
64	a.dbkBane = (short) res.getInt(10);
65	a.latitude = (float) res.getDouble(11);
66	a.longitude = (float) res.getDouble(12);
67
68	a.ruteMandag = dirigeringsCache.getInstance( res.getString(13) );
69	a.korelisteMandag = dirigeringsCache.getInstance( res.getString(14) );
70
71	a.ruteTirsdag = dirigeringsCache.getInstance( res.getString(15) );
72	a.korelisteTirsdag = dirigeringsCache.getInstance( res.getString(16) );
73
74	a.ruteOnsdag = dirigeringsCache.getInstance( res.getString(17) );
75	a.korelisteOnsdag = dirigeringsCache.getInstance( res.getString(18) );
76
77	a.ruteTorsdag = dirigeringsCache.getInstance( res.getString(19) );
78	a.korelisteTorsdag = dirigeringsCache.getInstance( res.getString(20) );
79
80	a.ruteFredag = dirigeringsCache.getInstance( res.getString(21) );
81	a.korelisteFredag = dirigeringsCache.getInstance( res.getString(22) );
82
83	a.ruteLordag = dirigeringsCache.getInstance( res.getString(23) );
84	a.korelisteLordag = dirigeringsCache.getInstance( res.getString(24) );
85
86	a.ruteSondag = dirigeringsCache.getInstance( res.getString(25) );
87	a.korelisteSondag = dirigeringsCache.getInstance( res.getString(26) );
88
89
90	list.add(a);
91	}
92	res.close();
93
94
95	System.out.println("DB Loaded " + list.size() + " adresses in " + timing.getElapsed() + "ms");
96
97	return list;
98	}
99	}
100
101	private void updateAddressesBatch(List<Address> addresses) throws SQLException {
102
103	}
104
105	public void updateAddresses(List<Address> addresses) {
106
107	String sql = "UPDATE fulddaekning.adressetabel " +
108	"SET " +
109	"RuteMa=?, KorelisteMa=?, " +
110	"RuteTi=?, KorelisteTi=?, " +
111	"RuteOn=?, KorelisteOn=?, " +
112	"RuteTo=?, KorelisteTo=?, " +
113	"RuteFr=?, KorelisteFr=?, " +
114	"RuteLo=?, KorelisteLo=?, " +
115	"RuteSo=?, KorelisteSo=? " +
116	"WHERE id=?";
117
118
119
120	try (Connection con = DBConnection.getConnection()) {
121	con.setAutoCommit(false);
122
123	try (PreparedStatement stmt = con.prepareStatement(sql)) {
124	for (Address addr : addresses) {
125	stmt.setString(1, addr.ruteMandag);
126	stmt.setString(2, addr.korelisteMandag);
127	stmt.setString(3, addr.ruteTirsdag);
128	stmt.setString(4, addr.korelisteTirsdag);
129	stmt.setString(5, addr.ruteOnsdag);
130	stmt.setString(6, addr.korelisteOnsdag);
131	stmt.setString(7, addr.ruteTorsdag);
132	stmt.setString(8, addr.korelisteTorsdag);
133	stmt.setString(9, addr.ruteFredag);
134	stmt.setString(10, addr.korelisteFredag);
135	stmt.setString(11, addr.ruteLordag);
136	stmt.setString(12, addr.korelisteLordag);
137	stmt.setString(13, addr.ruteSondag);
138	stmt.setString(14, addr.korelisteSondag);
139
140	stmt.setInt(15, addr.id);
141
142
143	stmt.execute();
144	if (stmt.getUpdateCount() != 1) {
145	System.out.println("Error executing update");
146	}
147
148	}
149	}
150
151	con.commit();
152	} catch (SQLException e) {
153	System.out.println("Error updating addresses" + e.getMessage() );
154	}
155	}
156
157	private static String nullify(String str) {
158	if (str == null)
159	return null;
160
161	if (str.equals("")) {
162	return null;
163	} else {
164	return str;
165	}
166	}
167
168
169	/*
170	private static int safeInt(String str) {
171	try {
172	return Integer.parseInt( str );
173	} catch (NumberFormatException e) {
174	return 0;
175	}
176	}
177
178
179
180	private static String coalesce(String s1, String s2) {
181	if (s1 != null)
182	return s1;
183
184	return s2;
185	}
186
187	*/
188	}