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1
6 package org.logicalcobwebs.proxool;
7
8 import org.logicalcobwebs.dbscript.ConnectionAdapterIF;
9 import org.apache.commons.logging.Log;
10 import org.apache.commons.logging.LogFactory;
11
12 import java.sql.Connection  ;
13 import java.sql.DriverManager ;
14 import java.sql.SQLException ;
15 import java.util.Properties ;
16
17
29 public class SimpoolAdapter implements ConnectionAdapterIF {
30
31 private static final Log LOG = LogFactory.getLog(SimpoolAdapter.class);
32
33 private Connection [] connections;
34
35 private int index = 0;
36
37 public String getName() {
38 return "simpool";
39 }
40
41 public void setup(String driver, String url, Properties info) throws SQLException {
42
43 try {
44 Class.forName(driver);
45 } catch (ClassNotFoundException e) {
46 throw new SQLException ("Couldn't find " + driver);
47 }
48
49 int connectionCount = Integer.parseInt(info.getProperty(ProxoolConstants.MAXIMUM_CONNECTION_COUNT_PROPERTY));
50 connections = new Connection [connectionCount];
51 for (int i = 0; i < connectionCount; i++) {
52 connections[i] = DriverManager.getConnection(url, info);
53 }
54 }
55
56 public Connection getConnection()
57 throws SQLException {
58 Connection c = connections[index];
59 index++;
60 if (index >= connections.length) {
61 index = 0;
62 }
63 return c;
64 }
65
66 public void closeConnection(Connection connection) {
67 }
69
70 public void tearDown() {
71 try {
72 for (int i = 0; i < connections.length; i++) {
73 connections[i].close();
74 }
75 } catch (SQLException e) {
76 LOG.error("Problem tearing down " + getName() + " adapter", e);
77 }
78 }
79
80 }
81
82
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