/// <summary>
/// Returns an <see cref="IDataCountChecker{TEntity}"/> for getting count of some <typeparamref name="TEntity"/> in database.
/// </summary>
public IDataCountChecker <TEntity> CountOf <TEntity>() where TEntity : class
{
var type = RUtils <TEntity> .Type;
object checker;
if (_countCheckers.TryGetValue(type, out checker))
{
return((IDataCountChecker <TEntity>)checker);
}
var countChecker = _factory.DataCountChecker <TEntity>();
if (!_countCheckers.TryAdd(type, countChecker))
{
return((IDataCountChecker <TEntity>)_getters[type]);
}
return(countChecker);
}
/// <summary>
/// Instantinate an <see cref="IDataExistenceChecker{TEntity}"/>.
/// This method will be called one time for every <typeparamref name="TEntity"/>.
/// </summary>
public IDataCountChecker <TEntity> DataCountChecker <TEntity>() where TEntity : class
{
return(_factory.DataCountChecker <TEntity>());
}