public 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 WhitespaceTokenizer(new StringReader(test)), '|', new FloatEncoder());
ITermAttribute termAtt = filter.GetAttribute <ITermAttribute>();
IPayloadAttribute payAtt = filter.GetAttribute <IPayloadAttribute>();
AssertTermEquals("The", filter, termAtt, payAtt, null);
AssertTermEquals("quick", filter, termAtt, payAtt, PayloadHelper.EncodeFloat(1.0f));
AssertTermEquals("red", filter, termAtt, payAtt, PayloadHelper.EncodeFloat(2.0f));
AssertTermEquals("fox", filter, termAtt, payAtt, PayloadHelper.EncodeFloat(3.5f));
AssertTermEquals("jumped", filter, termAtt, payAtt, PayloadHelper.EncodeFloat(0.5f));
AssertTermEquals("over", filter, termAtt, payAtt, null);
AssertTermEquals("the", filter, termAtt, payAtt, null);
AssertTermEquals("lazy", filter, termAtt, payAtt, PayloadHelper.EncodeFloat(5.0f));
AssertTermEquals("brown", filter, termAtt, payAtt, PayloadHelper.EncodeFloat(99.3f));
AssertTermEquals("dogs", filter, termAtt, payAtt, PayloadHelper.EncodeFloat(83.7f));
Assert.False(filter.IncrementToken());
}
/// <summary>
/// Stores a 32 bit float in the payload, or set it to null if 1f;
/// </summary>
/// <param name="token"></param>
/// <param name="weight"></param>
public override void SetWeight(Token token, float weight)
{
token.Payload = weight == 1f ? null : new Payload(PayloadHelper.EncodeFloat(weight));
}