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

Introduction

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

Prototype

@Override
public synchronized int getInitialSize() 

Source Link

Document

Returns the initial size of the connection pool.

Usage

From source file:tilda.db.ConnectionPool.java

public static void init(String Id, String Driver, String DB, String User, String Pswd, int InitialSize,
        int MaxSize) {
    if (_DataSourcesById.get(Id) == null)
        synchronized (_DataSourcesById) {
            if (_DataSourcesById.get(Id) == null) // Definitely no connection pool by that name
            {/* ww  w. ja v a 2 s.  co m*/
                String Sig = DB + "``" + User;
                BasicDataSource BDS = _DataSourcesBySig.get(Sig); // Let's see if that DB definition is already there
                if (BDS == null) {
                    LOG.info("Initializing a fresh pool for Id=" + Id + ", DB=" + DB + ", User=" + User
                            + ", and Pswd=Shhhhhhh!");
                    BDS = new BasicDataSource();
                    BDS.setDriverClassName(Driver);
                    BDS.setUrl(DB);
                    if (TextUtil.isNullOrEmpty(Pswd) == false && TextUtil.isNullOrEmpty(User) == false) {
                        BDS.setUsername(User);
                        BDS.setPassword(Pswd);
                    }
                    BDS.setInitialSize(InitialSize);
                    BDS.setMaxTotal(MaxSize);
                    BDS.setDefaultAutoCommit(false);
                    BDS.setDefaultTransactionIsolation(java.sql.Connection.TRANSACTION_READ_COMMITTED);
                    BDS.setDefaultQueryTimeout(20000);
                    _DataSourcesBySig.put(Sig, BDS);
                } else {
                    LOG.info("Merging pool with ID " + Id + " into prexisting pool " + Sig);
                    if (BDS.getInitialSize() < InitialSize)
                        BDS.setInitialSize(InitialSize);
                    if (BDS.getMaxTotal() < MaxSize)
                        BDS.setMaxTotal(MaxSize);

                }
                _DataSourcesById.put(Id, BDS);
            }
        }
}

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