Simple connection pool DataSource implementation.
When close() is called on connection received from this pool, it will be returned to pool instead of closing.
Next getConnection() will just return existing connection from pool, instead of slow connection establishment process.
Simple connection pool DataSource implementation. When close() is called on connection received from this pool, it will be returned to pool instead of closing. Next getConnection() will just return existing connection from pool, instead of slow connection establishment process.