org.apache.lucene.search

Interface FieldCache.Parser

All Known Subinterfaces:

FieldCache.ByteParser, FieldCache.DoubleParser, FieldCache.FloatParser, FieldCache.IntParser, FieldCache.LongParser, FieldCache.ShortParser

Enclosing interface:

FieldCache

public static interface FieldCache.Parser

Marker interface as super-interface to all parsers. It is used to specify a custom parser to SortField.SortField(String, FieldCache.Parser).

Method Summary

Methods

Modifier and Type	Method and Description
TermsEnum	termsEnum(Terms terms) Pulls a TermsEnum from the given Terms.

Method Detail

termsEnum

TermsEnum termsEnum(Terms terms)
                    throws IOException

Pulls a TermsEnum from the given Terms. This method allows certain parsers to filter the actual TermsEnum before the field cache is filled.

Parameters:

terms - the Terms instance to create the TermsEnum from.

Returns:

a possibly filtered TermsEnum instance, this method must not return null.

Throws:

IOException - if an IOException occurs