public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
if (reader.TokenType == JsonToken.Null)
{
return(null);
}
if (reader.TokenType != JsonToken.String)
{
throw new JsonSerializationException($"Invalid token type {reader.TokenType} to deserialize {nameof(MultiTermQueryRewrite)} from");
}
return(MultiTermQueryRewrite.Create((string)reader.Value));
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
var j = JObject.Load(reader);
if (!j.HasValues)
{
return(null);
}
var firstProp = j.Properties().FirstOrDefault();
if (firstProp == null)
{
return(null);
}
var field = firstProp.Name;
var jo = firstProp.Value.Value <JObject>();
if (jo == null)
{
return(null);
}
JToken v;
if (!jo.TryGetValue("value", out v))
{
return(null);
}
IFuzzyQuery fq;
if (v.Type == JTokenType.String)
{
fq = new FuzzyQuery
{
Value = GetPropValue <string>(jo, "value"),
Fuzziness = GetPropObject <Fuzziness>(jo, "fuzziness")
};
}
else if (v.Type == JTokenType.Date)
{
fq = new FuzzyDateQuery
{
Value = GetPropValue <DateTime?>(jo, "value"),
Fuzziness = GetPropObject <Time>(jo, "fuzziness")
};
}
else if (v.Type == JTokenType.Integer || v.Type == JTokenType.Float)
{
fq = new FuzzyNumericQuery
{
Value = GetPropValue <double?>(jo, "value"),
Fuzziness = GetPropValue <double?>(jo, "fuzziness")
};
}
else
{
return(null);
}
fq.PrefixLength = GetPropValue <int?>(jo, "prefix_length");
fq.MaxExpansions = GetPropValue <int?>(jo, "max_expansions");
fq.Transpositions = GetPropValue <bool?>(jo, "transpositions");
var rewriteString = GetPropValue <string>(jo, "rewrite");
if (!rewriteString.IsNullOrEmpty())
{
fq.Rewrite = MultiTermQueryRewrite.Create(rewriteString);
}
fq.Name = GetPropValue <string>(jo, "_name");
fq.Boost = GetPropValue <double?>(jo, "boost");
fq.Field = field;
return(fq);
}
