public override BytesRef Encode(char[] buffer, int offset, int length)
{
float payload = float.Parse(new string(buffer, offset, length), CultureInfo.InvariantCulture); //TODO: improve this so that we don't have to new Strings
byte[] bytes = PayloadHelper.EncodeSingle(payload);
BytesRef result = new BytesRef(bytes);
return(result);
}
public NumericPayloadTokenFilter(TokenStream input, float payload, string typeMatch)
: base(input)
{
if (typeMatch is null)
{
throw new ArgumentNullException(nameof(typeMatch), "typeMatch cannot be null"); // LUCENENET specific - changed from IllegalArgumentException to ArgumentNullException (.NET convention)
}
//Need to encode the payload
thePayload = new BytesRef(PayloadHelper.EncodeSingle(payload));
this.typeMatch = typeMatch;
this.payloadAtt = AddAttribute <IPayloadAttribute>();
this.typeAtt = AddAttribute <ITypeAttribute>();
}
public NumericPayloadTokenFilter(TokenStream input, float payload, string typeMatch)
: base(input)
{
if (typeMatch == null)
{
throw new ArgumentException("typeMatch cannot be null");
}
//Need to encode the payload
thePayload = new BytesRef(PayloadHelper.EncodeSingle(payload));
this.typeMatch = typeMatch;
this.payloadAtt = AddAttribute <IPayloadAttribute>();
this.typeAtt = AddAttribute <ITypeAttribute>();
}
public virtual void TestFloatEncoding()
{
string test = "The quick|1.0 red|2.0 fox|3.5 jumped|0.5 over the lazy|5 brown|99.3 dogs|83.7";
DelimitedPayloadTokenFilter filter = new DelimitedPayloadTokenFilter(new MockTokenizer(new StringReader(test), MockTokenizer.WHITESPACE, false), '|', new SingleEncoder());
ICharTermAttribute termAtt = filter.GetAttribute <ICharTermAttribute>();
IPayloadAttribute payAtt = filter.GetAttribute <IPayloadAttribute>();
filter.Reset();
AssertTermEquals("The", filter, termAtt, payAtt, null);
AssertTermEquals("quick", filter, termAtt, payAtt, PayloadHelper.EncodeSingle(1.0f));
AssertTermEquals("red", filter, termAtt, payAtt, PayloadHelper.EncodeSingle(2.0f));
AssertTermEquals("fox", filter, termAtt, payAtt, PayloadHelper.EncodeSingle(3.5f));
AssertTermEquals("jumped", filter, termAtt, payAtt, PayloadHelper.EncodeSingle(0.5f));
AssertTermEquals("over", filter, termAtt, payAtt, null);
AssertTermEquals("the", filter, termAtt, payAtt, null);
AssertTermEquals("lazy", filter, termAtt, payAtt, PayloadHelper.EncodeSingle(5.0f));
AssertTermEquals("brown", filter, termAtt, payAtt, PayloadHelper.EncodeSingle(99.3f));
AssertTermEquals("dogs", filter, termAtt, payAtt, PayloadHelper.EncodeSingle(83.7f));
assertFalse(filter.IncrementToken());
filter.End();
filter.Dispose();
}