/// <summary>
/// Gets the count of a given facet value.
/// </summary>
/// <param name="context">The <see cref="IMansionContext"/>.</param>
/// <param name="result">The <see cref="FacetResult"/> in which to find the value count.</param>
/// <param name="value">The value for which to get the count.</param>
/// <returns>Returns the count if found, otherwise 0.</returns>
/// <exception cref="ArgumentNullException">Thrown if one of the parameters is null.</exception>
public int Evaluate(IMansionContext context, FacetResult result, string value)
{
// validate arguments
if (context == null)
throw new ArgumentNullException("context");
if (result == null)
throw new ArgumentNullException("result");
if (value == null)
throw new ArgumentNullException("value");
// get the value
var facetValue = result.Values.FirstOrDefault(candidate => value.Equals(candidate.Value.ToString(), StringComparison.OrdinalIgnoreCase));
// return the count
return facetValue != null ? facetValue.Count : 0;
}
/// <summary>
/// Adds an <see cref="FacetResult"/> to this nodeset.
/// </summary>
/// <param name="result">The <see cref="FacetResult"/> which to add.</param>
public void AddFacet(FacetResult result)
{
// validate arguments
if (result == null)
throw new ArgumentNullException("result");
// add the result
facetResults.Add(result);
}
/// <summary>
/// Removes the given <paramref name="facet"/> from the <see cref="Facet"/>s.
/// </summary>
/// <param name="facet">The <see cref="FacetResult"/> which to remove.</param>
public void RemoveFacet(FacetResult facet)
{
// validate arguments
if (facet == null)
throw new ArgumentNullException("facet");
// remove the facet
facetResults.Remove(facet);
}
