public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
FuzzyQuery term = (FuzzyQuery)value;
if (term != null)
{
writer.WriteStartObject();
writer.WritePropertyName("fuzzy");
writer.WriteStartObject();
writer.WritePropertyName(term.Field);
writer.WriteStartObject();
writer.WritePropertyName("value");
writer.WriteValue(term.Value);
if (!string.IsNullOrEmpty(term.MinSimilarity))
{
writer.WritePropertyName("min_similarity");
writer.WriteValue(term.MinSimilarity);
}
if (term.PrefixLength > 0)
{
writer.WritePropertyName("prefix_length");
writer.WriteValue(term.PrefixLength);
}
if (term.Boost > 0)
{
writer.WritePropertyName("boost");
writer.WriteValue(term.Boost);
}
writer.WriteEndObject();
writer.WriteEndObject();
writer.WriteEndObject();
}
}
public void TestFuzzQuery()
{
string texType = "doc_fuzzy";
var typeSetting = new TypeSetting(texType);
typeSetting.AddStringField("f").Analyzer = "standard";
var op= client.PutMapping(index, typeSetting);
Assert.True(op.Success);
client.Refresh();
var doc = new IndexItem(texType,"1");
doc.Add("f","aaaaa");
op=client.Index(index, doc);
Assert.True(op.Success);
doc = new IndexItem(texType,"2");
doc.Add("f", "aaaab");
op = client.Index(index, doc);
Assert.True(op.Success);
doc = new IndexItem(texType, "3");
doc.Add("f", "aaabb");
op = client.Index(index, doc);
Assert.True(op.Success);
doc = new IndexItem(texType, "4");
doc.Add("f", "aabbb");
op = client.Index(index, doc);
Assert.True(op.Success);
doc = new IndexItem(texType, "5");
doc.Add("f", "abbbb");
op = client.Index(index, doc);
Assert.True(op.Success);
doc = new IndexItem(texType, "6");
doc.Add("f", "bbbbb");
op = client.Index(index, doc);
Assert.True(op.Success);
doc = new IndexItem(texType, "7");
doc.Add("f", "ddddd");
op = client.Index(index, doc);
Assert.True(op.Success);
client.Refresh();
var fuzzyQ = new FuzzyQuery("f", "aaaaa");
var result=client.Search(index, texType, fuzzyQ);
Assert.AreEqual(3,result.GetTotalCount());
fuzzyQ = new FuzzyQuery("f", "aaaaa");
fuzzyQ.PrefixLength = 1;
result = client.Search(index, texType, fuzzyQ);
Assert.AreEqual(3, result.GetTotalCount());
fuzzyQ = new FuzzyQuery("f", "aaaaa");
fuzzyQ.PrefixLength = 2;
result = client.Search(index, texType, fuzzyQ);
Assert.AreEqual(3, result.GetTotalCount());
fuzzyQ = new FuzzyQuery("f", "aaaaa");
fuzzyQ.PrefixLength = 3;
result = client.Search(index, texType, fuzzyQ);
Assert.AreEqual(3, result.GetTotalCount());
fuzzyQ = new FuzzyQuery("f", "aaaaa");
fuzzyQ.PrefixLength = 4;
result = client.Search(index, texType, fuzzyQ);
Assert.AreEqual(2, result.GetTotalCount());
fuzzyQ = new FuzzyQuery("f", "aaaaa");
fuzzyQ.PrefixLength = 5;
result = client.Search(index, texType, fuzzyQ);
Assert.AreEqual(1, result.GetTotalCount());
fuzzyQ = new FuzzyQuery("f", "aaaaa");
fuzzyQ.PrefixLength = 6;
result = client.Search(index, texType, fuzzyQ);
Assert.AreEqual(1, result.GetTotalCount());
}