/// <summary>
/// Create an alias for a projection
/// </summary>
/// <param name="projection">the projection instance</param>
/// <param name="alias">LambdaExpression returning an alias</param>
/// <returns>return NHibernate.Criterion.IProjection</returns>
public static IProjection WithAlias(this IProjection projection,
Expression <Func <object> > alias)
{
string aliasContainer = ExpressionProcessor.FindPropertyExpression(alias.Body);
return(Projections.Alias(projection, aliasContainer));
}
/// <summary>
/// Create an alias for the previous projection
/// </summary>
public QueryOverProjectionBuilder <T> WithAlias(Expression <Func <object> > alias)
{
string aliasContainer = ExpressionProcessor.FindPropertyExpression(alias.Body);
lastProjection = Projections.Alias(lastProjection, aliasContainer);
return(this);
}
private static string GetPropertyName <TType>(Expression <Func <TType, object> > expression)
{
return(ExpressionProcessor.FindPropertyExpression(expression.Body));
}