private IndexData(TernarySearchTreeDictionary <NonNullImmutableList <WeightedEntry <TKey> > > data, IEqualityComparer <TKey> dataKeyComparer, bool validate)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
// If the constructor is called from a method within this class then the data should be known to be valid but if the constructor call was from
// other code then perform some sanity checking on it
if (validate)
{
var allValues = data.GetAllValues();
if (allValues.Any(v => v == null))
{
throw new ArgumentException("data may not contain any null WeightedEntry list values");
}
if (allValues.Any(v => v.Count == 0))
{
throw new ArgumentException("data may not contain any empty WeightedEntry list values");
}
}
_data = data;
_sourceLocationsAvailable = new Lazy <bool>(() =>
{
var atLeastOneEntryIsMissingSourceLocations = _data.GetAllValues().Any(entries => entries.Any(entry => entry.SourceLocationsIfRecorded == null));
return(!atLeastOneEntryIsMissingSourceLocations);
});
KeyComparer = dataKeyComparer ?? throw new ArgumentNullException("dataKeyComparer");
}
private void Write <TValue>(JsonWriter writer, TernarySearchTreeDictionary <TValue> value, JsonSerializer serializer)
{
// Note: Note using the ToDictionary method since that uses the KeyNormaliser as the IEqualityComparer on the dictionary, which is just one more complication - it's
// simpler to just take lists of the keys and value and then to recombine when de-serialising
serializer.Serialize(
writer,
new SerialisableData <TValue>
{
NormalisedKeysWithValues = value.GetAllNormalisedKeys().Zip(
value.GetAllValues(),
(normalisedKey, matches) => new KeyValuePair <string, TValue>(normalisedKey, matches)
),
KeyNormaliser = value.KeyNormaliser
}
);
}
