org.apache.lucene.analysis.payloads: public class: TokenOffsetPayloadTokenFilter

org.apache.lucene.analysis.payloads
public class: TokenOffsetPayloadTokenFilter [javadoc | source]

java.lang.Object
   org.apache.lucene.analysis.TokenStream
      org.apache.lucene.analysis.TokenFilter
         org.apache.lucene.analysis.payloads.TokenOffsetPayloadTokenFilter

Adds the org.apache.lucene.analysis.Token#setStartOffset(int) and org.apache.lucene.analysis.Token#setEndOffset(int) First 4 bytes are the start

Fields inherited from org.apache.lucene.analysis.TokenFilter:
input

Constructor:
public TokenOffsetPayloadTokenFilter(TokenStream input) { super(input); }

Method from org.apache.lucene.analysis.payloads.TokenOffsetPayloadTokenFilter Summary:
next

Methods from org.apache.lucene.analysis.TokenFilter:
close

Methods from org.apache.lucene.analysis.TokenStream:
close, next, next, reset

Methods from java.lang.Object:
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.apache.lucene.analysis.payloads.TokenOffsetPayloadTokenFilter Detail:
public Token next(Token result) throws IOException { result = input.next(result); if (result != null){ byte[] data = new byte[8]; PayloadHelper.encodeInt(result.startOffset(), data, 0); PayloadHelper.encodeInt(result.endOffset(), data, 4); Payload payload = new Payload(data); result.setPayload(payload); } return result; }

Method from org.apache.lucene.analysis.payloads.TokenOffsetPayloadTokenFilter Detail:

 public Token next(Token result) throws IOException {
    result = input.next(result);
    if (result != null){
      byte[] data = new byte[8];
      PayloadHelper.encodeInt(result.startOffset(), data, 0);
      PayloadHelper.encodeInt(result.endOffset(), data, 4);
      Payload payload = new Payload(data);
      result.setPayload(payload);
    }
    return result;
}