/// <summary>
/// Filters documents that have fields that match any of the provided terms (not analyzed).
/// </summary>
public FilterContainer Terms(string field, IEnumerable <string> terms, TermsExecution?Execution = null)
{
ITermsFilter filter = new TermsFilterDescriptor();
filter.Field = field;
filter.Terms = terms ?? Enumerable.Empty <string>();
filter.Execution = Execution;
return(this.New(filter, f => f.Terms = filter));
}
/// <summary>
/// Filters documents that have fields that match any of the provided terms (not analyzed).
/// </summary>
public FilterContainer Terms <K>(Expression <Func <T, K> > fieldDescriptor, IEnumerable <K> terms, TermsExecution?Execution = null)
{
ITermsFilter filter = new TermsFilterDescriptor();
filter.Field = fieldDescriptor;
filter.Terms = (terms != null) ? terms.Cast <object>() : null;
filter.Execution = Execution;
return(this.New(filter, f => f.Terms = filter));
}
/// <summary>
/// Filters documents that have fields that match any of the provided terms (not analyzed).
/// </summary>
public FilterContainer Terms(Expression <Func <T, object> > fieldDescriptor, IEnumerable <string> terms, TermsExecution?Execution = null)
{
ITermsFilter filter = new TermsFilterDescriptor();
filter.Field = fieldDescriptor;
filter.Terms = terms;
filter.Execution = Execution;
return(this.New(filter, f => f.Terms = filter));
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
var j = JObject.Load(reader);
if (j == null || !j.HasValues)
return null;
string cacheKey = null, cacheName = null, field = null, execution = null;
bool? cache = null;
ITermsBaseFilter filter = null;
foreach (var jv in j)
{
switch (jv.Key)
{
case "execution":
execution = jv.Value.Value<string>();
break;
case "_cache":
cache = jv.Value.Value<bool>();
break;
case "_cache_key":
cacheKey = jv.Value.Value<string>();
break;
case "_name":
cacheName = jv.Value.Value<string>();
break;
default:
field = jv.Key;
if (jv.Value.Type == JTokenType.Array)
{
ITermsFilter f = new TermsFilterDescriptor();
f.Terms = jv.Value.Values<string>();
filter = f;
}
else
{
ITermsLookupFilter f = new TermsLookupFilterDescriptor();
var id = jv.Value["id"];
var index = jv.Value["index"];
var type = jv.Value["type"];
var path = jv.Value["path"];
if (id != null) f.Id = id.Value<string>();
if (index != null) f.Index = index.Value<string>();
if (type != null) f.Type = type.Value<string>();
if (path != null) f.Path = path.Value<string>();
filter = f;
}
break;
}
}
if (filter == null) return null;
if (execution != null)
filter.Execution = execution.ToEnum<TermsExecution>();
filter.Field = field;
filter.Cache = cache;
filter.CacheKey = cacheKey;
filter.FilterName = cacheName;
return filter;
}
