1 package org.apache.lucene.analysis.payloads;
3 * Licensed to the Apache Software Foundation (ASF) under one or more
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6 * The ASF licenses this file to You under the Apache License, Version 2.0
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20 import org.apache.lucene.analysis.TokenFilter;
21 import org.apache.lucene.analysis.TokenStream;
22 import org.apache.lucene.analysis.tokenattributes.PayloadAttribute;
23 import org.apache.lucene.analysis.tokenattributes.TypeAttribute;
24 import org.apache.lucene.index.Payload;
26 import java.io.IOException;
30 * Assigns a payload to a token based on the {@link org.apache.lucene.analysis.Token#type()}
33 public class NumericPayloadTokenFilter extends TokenFilter {
35 private String typeMatch;
36 private Payload thePayload;
38 private final PayloadAttribute payloadAtt = addAttribute(PayloadAttribute.class);
39 private final TypeAttribute typeAtt = addAttribute(TypeAttribute.class);
41 public NumericPayloadTokenFilter(TokenStream input, float payload, String typeMatch) {
43 //Need to encode the payload
44 thePayload = new Payload(PayloadHelper.encodeFloat(payload));
45 this.typeMatch = typeMatch;
49 public final boolean incrementToken() throws IOException {
50 if (input.incrementToken()) {
51 if (typeAtt.type().equals(typeMatch))
52 payloadAtt.setPayload(thePayload);