/// <summary>
/// Builds an <see cref="SumOp"/>.
/// </summary>
/// <param name="statements">The statements.</param>
/// <returns>
/// The operation.
/// </returns>
public static SumOp Sum(
params IReturningOperation <decimal>[] statements)
{
var result = new SumOp(statements);
return(result);
}
/// <inheritdoc />
public decimal Execute(
SumOp operation)
{
if (operation == null)
{
throw new ArgumentNullException(nameof(operation));
}
var result = operation.Statements.Sum(_ => this.protocolFactory.GetProtocolAndExecuteViaReflection <decimal>(_));
return(result);
}
/// <inheritdoc />
public async Task <decimal> ExecuteAsync(
SumOp operation)
{
if (operation == null)
{
throw new ArgumentNullException(nameof(operation));
}
if (operation == null)
{
throw new ArgumentNullException(nameof(operation));
}
var result = 0m;
foreach (var statement in operation.Statements)
{
result = result + await this.protocolFactory.GetProtocolAndExecuteViaReflectionAsync <decimal>(statement);
}
return(result);
}