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1
3 package org.prevayler.demos.scalability.jdbc;
4
5 import org.prevayler.demos.scalability.*;
6 import java.sql.*;
7
8
9 abstract class JDBCScalabilitySubject implements ScalabilityTestSubject {
10
11 protected final String  connectionURL;
12 protected final String user;
13 protected final String password;
14
15 {System.gc();}
16
17
18 protected JDBCScalabilitySubject(String jdbcDriverClassName, String connectionURL, String user, String password) {
19 try {
20 Class.forName(jdbcDriverClassName);
21 } catch (Exception ex) {
22 ex.printStackTrace();
23 throw new RuntimeException ("Exception loading JDBC driver class: " + jdbcDriverClassName);
24 }
25
26 this.connectionURL = connectionURL;
27 this.user = user;
28 this.password = password;
29 }
30
31 public String name() {
32 return "JDBC";
33 }
34
35 public void replaceAllRecords(int records) {
36 ((JDBCScalabilityConnection)createTestConnection()).replaceAllRecords(records);
37 }
38
39 protected Connection createConnection() {
40 try {
41
42 return DriverManager.getConnection(connectionURL, user, password);
43
44 } catch (SQLException sqlx) {
45 sqlx.printStackTrace();
46 throw new RuntimeException ("Exception while trying to connect: " + sqlx);
47 }
48 }
49 }
50 |
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