/// <summary>
/// The text_phrase_prefix is the same as text_phrase, expect it allows for prefix matches on the last term
/// in the text
/// </summary>
public QueryContainer MatchPhrasePrefix(Action <MatchPhrasePrefixQueryDescriptor <T> > selector)
{
var query = new MatchPhrasePrefixQueryDescriptor <T>();
selector(query);
return(this.New(query, q => q.Match = query));
}
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 = null;
string type = null;
if (jo.TryGetValue("type", out v))
{
type = v.Value <string>();
}
IMatchQuery fq = null;
if (type.IsNullOrEmpty())
{
fq = new MatchQueryDescriptor <object>();
}
else if (type == "phrase")
{
fq = new MatchPhraseQueryDescriptor <object>();
}
else if (type == "phrase_prefix")
{
fq = new MatchPhrasePrefixQueryDescriptor <object>();
}
else
{
return(null);
}
fq.Field = field;
fq.Boost = GetPropValue <double?>(jo, "boost");
fq.Analyzer = GetPropValue <string>(jo, "analyzer");
fq.CutoffFrequency = GetPropValue <double?>(jo, "cutoff_frequency");
fq.Fuzziness = GetPropValue <double?>(jo, "fuzziness");
fq.Lenient = GetPropValue <bool?>(jo, "lenient");
fq.MaxExpansions = GetPropValue <int?>(jo, "max_expansions");
fq.PrefixLength = GetPropValue <int?>(jo, "prefix_length");
fq.Query = GetPropValue <string>(jo, "query");
fq.Slop = GetPropValue <int?>(jo, "slop");
var rewriteString = GetPropValue <string>(jo, "rewrite");
if (!rewriteString.IsNullOrEmpty())
{
fq.Rewrite = rewriteString.ToEnum <RewriteMultiTerm>();
}
var operatorString = GetPropValue <string>(jo, "operator");
if (!rewriteString.IsNullOrEmpty())
{
fq.Operator = operatorString.ToEnum <Operator>();
}
return(fq);
}