/// <summary>
/// Creates a new <see cref="ReadonlyMultikeyedDictionary{TKey1, TKey2, TValue}"/>
/// with the <paramref name="dictionary"/> provided.
/// </summary>
/// <param name="dictionary">The <see cref="IMultikeyedDictionary{TKey1, TKey2, TValue}"/>
/// which is wrapped by the <see cref="ReadonlyMultikeyedDictionary{TKey1, TKey2, TValue}"/>.</param>
public ReadonlyMultikeyedDictionary(IMultikeyedDictionary <TKey1, TKey2, TValue> dictionary)
{
if (dictionary == null)
{
throw new ArgumentNullException("dictionary");
}
this.dataCopy = dictionary;
}
public static IMultikeyedDictionary <TKey2, TKey3, TValue> FilterToDictionary <TKey1, TKey2, TKey3, TValue>(this IMultikeyedDictionary <TKey1, TKey2, TKey3, TValue> dict, TKey1 key1Filter)
{
var result = new MultikeyedDictionary <TKey2, TKey3, TValue>();
foreach (var ksvp in dict.Filter(key1Filter))
{
result.Add(ksvp.Keys.Key2, ksvp.Keys.Key3, ksvp.Value);
}
return(result);
}
public static IEnumerable <KeysValuePair <MultikeyedDictionaryKeys <TKey1, TKey2, TKey3>, TValue> > Filter <TKey1, TKey2, TKey3, TValue>(this IMultikeyedDictionary <TKey1, TKey2, TKey3, TValue> dict, TKey1 key1Filter)
{
return(from ksvp in dict
where ksvp.Keys.Key1.Equals(key1Filter)
select ksvp);
}
