Interface FragmentsBuilder
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- All Known Implementing Classes:
BaseFragmentsBuilder
,ScoreOrderFragmentsBuilder
,SimpleFragmentsBuilder
public interface FragmentsBuilder
FragmentsBuilder
is an interface for fragments (snippets) builder classes. AFragmentsBuilder
class can be plugged in toFastVectorHighlighter
.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description String
createFragment(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList)
create a fragment.String
createFragment(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, String[] preTags, String[] postTags, Encoder encoder)
create a fragment.String[]
createFragments(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, int maxNumFragments)
create multiple fragments.String[]
createFragments(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, int maxNumFragments, String[] preTags, String[] postTags, Encoder encoder)
create multiple fragments.
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Method Detail
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createFragment
String createFragment(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList) throws IOException
create a fragment.- Parameters:
reader
- IndexReader of the indexdocId
- document id to be highlightedfieldName
- field of the document to be highlightedfieldFragList
- FieldFragList object- Returns:
- a created fragment or null when no fragment created
- Throws:
IOException
- If there is a low-level I/O error
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createFragments
String[] createFragments(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, int maxNumFragments) throws IOException
create multiple fragments.- Parameters:
reader
- IndexReader of the indexdocId
- document id to be highlighterfieldName
- field of the document to be highlightedfieldFragList
- FieldFragList objectmaxNumFragments
- maximum number of fragments- Returns:
- created fragments or null when no fragments created. size of the array can be less than maxNumFragments
- Throws:
IOException
- If there is a low-level I/O error
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createFragment
String createFragment(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, String[] preTags, String[] postTags, Encoder encoder) throws IOException
create a fragment.- Parameters:
reader
- IndexReader of the indexdocId
- document id to be highlightedfieldName
- field of the document to be highlightedfieldFragList
- FieldFragList objectpreTags
- pre-tags to be used to highlight termspostTags
- post-tags to be used to highlight termsencoder
- an encoder that generates encoded text- Returns:
- a created fragment or null when no fragment created
- Throws:
IOException
- If there is a low-level I/O error
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createFragments
String[] createFragments(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList, int maxNumFragments, String[] preTags, String[] postTags, Encoder encoder) throws IOException
create multiple fragments.- Parameters:
reader
- IndexReader of the indexdocId
- document id to be highlighterfieldName
- field of the document to be highlightedfieldFragList
- FieldFragList objectmaxNumFragments
- maximum number of fragmentspreTags
- pre-tags to be used to highlight termspostTags
- post-tags to be used to highlight termsencoder
- an encoder that generates encoded text- Returns:
- created fragments or null when no fragments created. size of the array can be less than maxNumFragments
- Throws:
IOException
- If there is a low-level I/O error
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