cz.muni.fi.mias

Class PayloadSimilarity

java.lang.Object

org.apache.lucene.search.Similarity

org.apache.lucene.search.DefaultSimilarity

cz.muni.fi.mias.PayloadSimilarity

All Implemented Interfaces:

Serializable

public class PayloadSimilarity
extends org.apache.lucene.search.DefaultSimilarity

PayloadSimilarity class extending default similarity. Alters the way how lucene scores hit documents in order to consider payloads located at formuale in index.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.lucene.search.DefaultSimilarity

discountOverlaps

Fields inherited from class org.apache.lucene.search.Similarity

NO_DOC_ID_PROVIDED

Constructor Summary

Constructors

Constructor and Description
PayloadSimilarity()

Method Summary

Methods

Modifier and Type	Method and Description
float	scorePayload(int docId, String fieldName, int start, int end, byte[] payload, int offset, int length)

Methods inherited from class org.apache.lucene.search.DefaultSimilarity

computeNorm, coord, getDiscountOverlaps, idf, queryNorm, setDiscountOverlaps, sloppyFreq, tf

Methods inherited from class org.apache.lucene.search.Similarity

decodeNorm, decodeNormValue, encodeNorm, encodeNormValue, getDefault, getNormDecoder, idfExplain, idfExplain, idfExplain, lengthNorm, setDefault, tf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PayloadSimilarity

public PayloadSimilarity()

Method Detail

scorePayload

public float scorePayload(int docId,
                 String fieldName,
                 int start,
                 int end,
                 byte[] payload,
                 int offset,
                 int length)

Overrides:

scorePayload in class org.apache.lucene.search.Similarity