/// <summary>
/// Create a completion suggestor with fuzzy functionality.
/// </summary>
/// <param name="suggestName">The name of the suggestor.</param>
/// <param name="field">The field to find suggestions in.</param>
/// <param name="fuzzy">The fuzzy completion values. A default value is acceptable.</param>
public CompletionSuggester(string suggestName, string field, FuzzyCompletion fuzzy)
: base(suggestName, field)
{
if (fuzzy == null)
throw new ArgumentNullException("fuzzy", "CompletionSuggestor requires a fuzzy value in this constructor.");
Fuzzy = fuzzy;
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
Dictionary<string, object> wholeDict = serializer.Deserialize<Dictionary<string, object>>(reader);
Dictionary<string, object> suggestDict = JsonConvert.DeserializeObject<Dictionary<string, object>>(wholeDict.First().Value.ToString());
Dictionary<string, object> compDict = JsonConvert.DeserializeObject<Dictionary<string, object>>(suggestDict.GetString(SuggestTypeEnum.Completion.ToString()));
FuzzyCompletion fuzzy = null;
if (compDict.ContainsKey(_FUZZY))
{
Dictionary<string, object> fuzzyDict = null;
try { fuzzyDict = JsonConvert.DeserializeObject<Dictionary<string, object>>(compDict.GetString(_FUZZY)); }
catch { }
if (fuzzyDict != null)
{
fuzzy = new FuzzyCompletion();
if (fuzzyDict.ContainsKey(_FUZZINESS))
fuzzy.Fuzziness = fuzzyDict[_FUZZINESS];
else
fuzzy.Fuzziness = _FUZZINESS_DEFAULT;
fuzzy.IsUnicodeAware = fuzzyDict.GetBool(_IS_UNICODE_AWARE, _IS_UNICODE_AWARE_DEFAULT);
fuzzy.MinimumLength = fuzzyDict.GetInt32(_MINIMUM_LENGTH, _MINIMUM_LENGTH_DEFAULT);
fuzzy.PrefixLength = fuzzyDict.GetInt32(_PREFIX_LENGTH, _PREFIX_LENGTH_DEFAULT);
fuzzy.Transpositions = fuzzyDict.GetBool(_TRANSPOSITIONS, _TRANSPOSITIONS_DEFAULT);
}
else if(compDict.GetBool(_FUZZY))
{
fuzzy = new FuzzyCompletion();
}
}
CompletionSuggester suggestor = null;
if(fuzzy == null)
suggestor = new CompletionSuggester(wholeDict.First().Key, compDict.GetString(SuggestSerializer._FIELD));
else
suggestor = new CompletionSuggester(wholeDict.First().Key, compDict.GetString(SuggestSerializer._FIELD), fuzzy);
suggestor.Size = compDict.GetInt32(SuggestSerializer._SIZE, SuggestSerializer._SIZE_DEFAULT);
suggestor.Text = suggestDict.GetStringOrDefault(SuggestSerializer._TEXT);
return suggestor;
}
