Comparing multiple entity properties against list of entities

Posted by roosteronacid on Stack Overflow See other posts from Stack Overflow or by roosteronacid
Published on 2010-04-09T07:37:27Z Indexed on 2010/04/09 7:43 UTC
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Consider this snippet of code:

var iList = new List<Entities.Ingredient>
{
    new Entities.Ingredient { Name = "tomato", Amount = 2.0 },
    new Entities.Ingredient { Name = "cheese", Amount = 100.0 }
};


var matches = new DataContext().Ingredients.Where(i => Comparer(i, iList));


private Boolean Comparer(Entities.Ingredient i, List<Entities.Ingredient> iList)
{
    foreach (var i in iList)
    {
        if (i.Name == iList.Name && i.Amount >= iList.Amount) return true;
    }

    return false;
}

Is there a more efficient way of doing this? Preferably without being too verbose; from x in y select z... If thats at all possible.

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