org.apache.lucene.search.vectorhighlight

Class FieldFragList

java.lang.Object

org.apache.lucene.search.vectorhighlight.FieldFragList

Direct Known Subclasses:

SimpleFieldFragList, WeightedFieldFragList

public abstract class FieldFragList
extends Object

FieldFragList has a list of "frag info" that is used by FragmentsBuilder class to create fragments (snippets).

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FieldFragList.WeightedFragInfo List of term offsets + weight for a frag info

Constructor Summary

Constructors

Constructor and Description
FieldFragList(int fragCharSize) a constructor.

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	add(int startOffset, int endOffset, List<FieldPhraseList.WeightedPhraseInfo> phraseInfoList) convert the list of WeightedPhraseInfo to WeightedFragInfo, then add it to the fragInfos
List<FieldFragList.WeightedFragInfo>	getFragInfos() return the list of WeightedFragInfos.

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldFragList

public FieldFragList(int fragCharSize)

a constructor.

Parameters:

fragCharSize - the length (number of chars) of a fragment

Method Detail

add

public abstract void add(int startOffset,
       int endOffset,
       List<FieldPhraseList.WeightedPhraseInfo> phraseInfoList)

convert the list of WeightedPhraseInfo to WeightedFragInfo, then add it to the fragInfos

Parameters:

startOffset - start offset of the fragment

endOffset - end offset of the fragment

phraseInfoList - list of WeightedPhraseInfo objects

getFragInfos

public List<FieldFragList.WeightedFragInfo> getFragInfos()

return the list of WeightedFragInfos.

Returns:

fragInfos.