/// <summary>
/// Executes the specified query.
/// </summary>
/// <typeparam name="T">Type of model result.</typeparam>
/// <param name="query">The query.</param>
/// <returns>
/// IEnumerable of models, which was materialized by query
/// </returns>
/// <exception cref="ArgumentNullException">If query is null.</exception>
public IEnumerable <T> Execute <T>(IQuery <T> query)
{
Check.NotNull(query, nameof(query));
Data.ConnectionHelper cnHelper = OpenConnection();
DbCommand command = CreateCommand(query.Expression);
_logger.LogCommand(command);
IDataReader reader = new ModelBuilder.QueryDataReader(command, cnHelper.CloseConnection);
return(_modelBuilder.Materialize <T>(reader));
}
/// <inheritdoc cref="IQueryProvider.ExecuteStoredProcedure{TResult}(string, CommandParameterCollection)"/>
public TResult ExecuteStoredProcedure <TResult>(string storedProcedureName, CommandParameterCollection parameters)
{
CheckCommandParameters(parameters);
TResult result = default(TResult);
Data.ConnectionHelper cnHelper = null;
DbCommand command = null;
bool callDispose = true;
try
{
cnHelper = OpenConnection();
command = CreateCommand(storedProcedureName, parameters);
command.CommandType = CommandType.StoredProcedure;
_logger.LogCommand(command);
DbParameter returnParameter = GetOrAddCommandReturnParameter(command);
if (typeof(IEnumerable).IsAssignableFrom(typeof(TResult)))
{
IDataReader reader = new ModelBuilder.QueryDataReader(command, null, cnHelper.CloseConnection);
result = MaterializeStoredProcedureResult <TResult>(reader);
callDispose = false;
}
else
{
result = MaterializeStoredProcedureResult <TResult>(command, returnParameter);
}
FillOutputParameters(command, parameters);
}
catch
{
throw;
}
finally
{
if (callDispose)
{
command?.Dispose();
cnHelper?.Dispose();
}
}
return(result);
}