public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
var j = JObject.Load(reader);
if (j == null || !j.HasValues)
return null;
IPrefixFilter filter = new PrefixFilter();
foreach (var jv in j)
{
switch (jv.Key)
{
case "_cache":
filter.Cache = jv.Value.Value<bool?>();
break;
case "_cacheKey":
case "_cache_key":
filter.CacheKey = jv.Value.Value<string>();
break;
case "_name":
filter.FilterName = jv.Value.Value<string>();
break;
default:
var field = jv.Key;
filter.Field = field;
filter.Prefix = jv.Value.Value<string>();
break;
}
}
return 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);
}
IPrefixFilter filter = new PrefixFilter();
foreach (var jv in j)
{
switch (jv.Key)
{
case "_cache":
filter.Cache = jv.Value.Value <bool?>();
break;
case "_cacheKey":
case "_cache_key":
filter.CacheKey = jv.Value.Value <string>();
break;
case "_name":
filter.FilterName = jv.Value.Value <string>();
break;
default:
var field = jv.Key;
filter.Field = field;
filter.Prefix = jv.Value.Value <string>();
break;
}
}
return(filter);
}
/// <summary>
/// Creates the query.
/// </summary>
/// <param name="field">The field.</param>
/// <param name="value">The value.</param>
/// <returns></returns>
public static Filter CreateQuery(string field, CategoryFilterValue value)
{
var query = new BooleanFilter();
if (!String.IsNullOrEmpty(value.Outline))
{
// workaround since there is no wildcard filter in current lucene version
var outline = value.Outline.TrimEnd('*');
var nodeQuery = new PrefixFilter(new Term(field, outline.ToLower()));
query.Add(new FilterClause(nodeQuery, Occur.MUST));
}
return query;
}
public void PrefixFilter_KeyNotSet_Validation_Fails()
{
var filter = new PrefixFilter();
Assert.Throws <FilterException>(() => filter.ToFilterBuild().Validate());
}