public ConnectionHandler(ConnectionConfig conConfig) {
this.conConfig = conConfig;
if (conConfig.isPooled()) {
initializeConnectionPool();
} else {
try {
Class.forName(conConfig.getDriver());
} catch (ClassNotFoundException e) {
throw new IllegalStateException(
"The configured driver '" + conConfig.getDriver() + "' can not be found.");
}
}
}
/**
* Borrow a new connection.
*
* @return
* @throws SQLException
*/
public Connection getConnection() throws SQLException {
connCount++;
if (connCount == Long.MAX_VALUE) {
connCount = Long.MIN_VALUE;
}
Connection conn = null;
if (conConfig.isPooled()) {
conn = ds.getConnection();
} else {
// Open connection directly
conn =
DriverManager.getConnection(
conConfig.getUrl(), conConfig.getUsername(), conConfig.getPassword());
}
if (conConfig.isTraced()) {
TracedConnection tc = new TracedConnection(connCount, this, conn);
conn = tc;
connectionList.add(tc);
}
return conn;
}
