Example usage for org.apache.commons.dbcp2 BasicDataSource getMaxTotal

Introduction

In this page you can find the example usage for org.apache.commons.dbcp2 BasicDataSource getMaxTotal.

Prototype

@Override
public synchronized int getMaxTotal() 

Source Link

Document

Returns the maximum number of active connections that can be allocated at the same time.

Usage

From source file:uk.co.platosys.db.jdbc.ConnectionBroker.java

protected Connection getConnection(String databaseName) throws PlatosysDBException {
    Connection connect;//from  w  w  w .  j a va2s . c  o  m
    while (!done) {
    } //wait for databases to be set up.
    try {
        if (dataSources.containsKey(databaseName)) {
            BasicDataSource dataSource = dataSources.get(databaseName);

            /* GenericObjectPool<PoolableConnection> pool = pools.get(databaseName);*/
            //logger.log("1 "+databaseName+" has "+dataSource.getNumIdle()+"  idle plus "+dataSource.getNumActive()+" borrowed");
            Connection connection = dataSource.getConnection();
            if (connection != null) {
                //logger.log("2 "+databaseName+" has "+dataSource.getNumIdle()+"  idle plus "+dataSource.getNumActive()+" borrowed");
                connect = connection;
            } else {
                logger.log("dataSource returned a null connection");
                return null;
            }
        } else {
            logger.log("not found first time, reloading datasources");
            done = false;
            init();
            while (!done) {
            } //
            if (dataSources.containsKey(databaseName)) {
                BasicDataSource dataSource = dataSources.get(databaseName);
                /*GenericObjectPool<PoolableConnection> pool = pools.get(databaseName);*/
                //logger.log("3 "+databaseName+" has "+dataSource.getNumIdle()+"  idle plus "+dataSource.getNumActive()+" borrowed");
                Connection connection = dataSource.getConnection();
                if (connection != null) {
                    // logger.log("4 "+databaseName+" has "+dataSource.getNumIdle()+"  idle plus "+dataSource.getNumActive()+" borrowed");
                    connect = connection;
                } else {
                    logger.log("dataSource returned a null connection");
                    return null;
                }
            } else {
                logger.log(2, "CB - Database " + databaseName + " is not known ");
                throw new PlatosysDBException("CB says Database " + databaseName + " is not known");
            }
        }
        //refresh connection counters:
        int idleConnections = 0;
        int activeConnections = 0;
        int totalConnections = 0;
        int maxTotal = 0;
        for (BasicDataSource bds : dataSet) {
            idleConnections = idleConnections + bds.getNumIdle();
            activeConnections = activeConnections + bds.getNumActive();
            maxTotal = maxTotal + bds.getMaxTotal();
        }
        totalConnections = idleConnections + activeConnections;
        logger.log("CB has " + totalConnections + "; of which " + activeConnections + " active and "
                + idleConnections + " idle");
        return connect;
    } catch (Exception e) {
        throw new PlatosysDBException("ConnectionBroker issues", e);
    }
}

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