public DataSource createMCSConnectionPool(
MCSConnectionPoolConfiguration configuration, DataSource dataSource)
throws RepositoryException {
// Create and configure a Connection pool if there is one.
if (configuration == null || !configuration.isEnabled()) {
return dataSource;
}
int maxConnections = configuration.getMaxConnections();
int maxFreeConnections = configuration.getMaxFreeConnections();
// int optimalFreeConnections;
int minFreeConnections = configuration.getMinFreeConnections();
int initialConnections = configuration.getInitialConnections();
boolean keepConnectionsAlive = configuration.isKeepAliveActive();
ConnectionPool connectionPool = new ConnectionPool(dataSource);
if (keepConnectionsAlive) {
connectionPool.setKeepConnectionsAlive(true);
int connectionPollInterval = configuration.getKeepAlivePollInterval();
if (connectionPollInterval > 0) {
connectionPool.setConnectionPollInterval(connectionPollInterval);
}
}
connectionPool.setMaxConnections(maxConnections);
connectionPool.setMaxFreeConnections(maxFreeConnections);
// connectionPool.setOptimalFreeConnections (optimalFreeConnections);
connectionPool.setMinFreeConnections(minFreeConnections);
connectionPool.setInitialConnections(initialConnections);
connectionPool.start();
return connectionPool;
}
private static synchronized Connection getConnect() throws SQLException {
if (connectionPool == null) {
connectionPool = new ConnectionPool(driverClassName, url, username, password);
connectionPool.setTestTable("dual");
if (initConn > 0 && incConn > 0 && maxConn > 0 && maxConn > initConn) {
connectionPool.setInitialConnections(initConn);
connectionPool.setIncrementalConnections(incConn);
;
connectionPool.setMaxConnections(maxConn);
;
}
try {
connectionPool.createPool();
} catch (Exception e) {
logger.fatal("can not create connection pool!system will exit..", e);
System.exit(1);
}
}
return connectionPool.getConnection();
}