org.apache.lucene.search
Class FieldDoc

java.lang.Object
  org.apache.lucene.search.ScoreDoc
      org.apache.lucene.search.FieldDoc

All Implemented Interfaces:

Serializable

public class FieldDoc
extends ScoreDoc

Expert: A ScoreDoc which also contains information about how to sort the referenced document. In addition to the document number and score, this object contains an array of values for the document from the field(s) used to sort. For example, if the sort criteria was to sort by fields "a", "b" then "c", the fields object array will have three elements, corresponding respectively to the term values for the document in fields "a", "b" and "c". The class of each element in the array will be either Integer, Float or String depending on the type of values in the terms of each field.

Created: Feb 11, 2004 1:23:38 PM

Since:

lucene 1.4

Version:

$Id: FieldDoc.java 695514 2008-09-15 15:42:11Z otis $

See Also:

ScoreDoc, TopFieldDocs, Serialized Form

Field Summary

Comparable[]

fields Expert: The values which are used to sort the referenced document.

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

doc, score

Constructor Summary

FieldDoc(int doc, float score)
Expert: Creates one of these objects with empty sort information.

FieldDoc(int doc, float score, Comparable[] fields)
Expert: Creates one of these objects with the given sort information.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

fields

public Comparable[] fields

Expert: The values which are used to sort the referenced document. The order of these will match the original sort criteria given by a Sort object. Each Object will be either an Integer, Float or String, depending on the type of values in the terms of the original field.

See Also:

Sort, Searcher.search(Query,Filter,int,Sort)

Constructor Detail

FieldDoc

public FieldDoc(int doc,
                float score)

Expert: Creates one of these objects with empty sort information.

FieldDoc

public FieldDoc(int doc,
                float score,
                Comparable[] fields)

Expert: Creates one of these objects with the given sort information.