public SectionService(ISectionDAO sectionDAO)
{
_sectionDAO = sectionDAO;
}
public ISectionDAO createSectionDAO()
{
lock (lockObj)
{
if (sectionDAO == null)
{
if (databaseName == DATABASE_MSSQL)
sectionDAO = new SectionMSSqlDAO();
if (sectionDAO == null)
throw new Exception("Unsupported database : " + databaseName);
}
return sectionDAO;
}
}