public static ListIndex <T, K> Create <T, K>(IValuedInvoker <K> invoker, bool concurrent)
{
var comparer = invoker.DataType == typeof(string)
? (IEqualityComparer <K>)StringComparer.OrdinalIgnoreCase
: EqualityComparer <K> .Default;
return(new ListIndex <T, K>(invoker, GetNullKey <K>(), comparer, concurrent));
}
public ListIndex(IValuedInvoker <K> invoker, K nullKey, IEqualityComparer <K> comparer = null, bool concurrent = false)
{
NullKey = nullKey;
Invoker = invoker;
Comparer = comparer ?? EqualityComparer <K> .Default;
Dictionary = concurrent
? (IDictionary <K, ThreadSafeList <T> >) new ConcurrentDictionary <K, ThreadSafeList <T> >(Comparer)
: new Dictionary <K, ThreadSafeList <T> >(Comparer);
}