Class FieldHighlighter
- java.lang.Object
-
- org.apache.lucene.search.uhighlight.FieldHighlighter
-
public class FieldHighlighter extends Object
Internal highlighter abstraction that operates on a per field basis.- NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.
-
-
Field Summary
Fields Modifier and Type Field Description protected BreakIterator
breakIterator
protected String
field
protected FieldOffsetStrategy
fieldOffsetStrategy
protected int
maxNoHighlightPassages
protected int
maxPassages
protected PassageFormatter
passageFormatter
protected PassageScorer
passageScorer
-
Constructor Summary
Constructors Constructor Description FieldHighlighter(String field, FieldOffsetStrategy fieldOffsetStrategy, BreakIterator breakIterator, PassageScorer passageScorer, int maxPassages, int maxNoHighlightPassages, PassageFormatter passageFormatter)
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description String
getField()
UnifiedHighlighter.OffsetSource
getOffsetSource()
protected Passage[]
getSummaryPassagesNoHighlight(int maxPassages)
Called to summarize a document when no highlights were found.Object
highlightFieldForDoc(LeafReader reader, int docId, String content)
The primary method -- highlight this doc, assuming a specific field and given this content.protected Passage[]
highlightOffsetsEnums(OffsetsEnum off)
-
-
-
Field Detail
-
field
protected final String field
-
fieldOffsetStrategy
protected final FieldOffsetStrategy fieldOffsetStrategy
-
breakIterator
protected final BreakIterator breakIterator
-
passageScorer
protected final PassageScorer passageScorer
-
maxPassages
protected final int maxPassages
-
maxNoHighlightPassages
protected final int maxNoHighlightPassages
-
passageFormatter
protected final PassageFormatter passageFormatter
-
-
Constructor Detail
-
FieldHighlighter
public FieldHighlighter(String field, FieldOffsetStrategy fieldOffsetStrategy, BreakIterator breakIterator, PassageScorer passageScorer, int maxPassages, int maxNoHighlightPassages, PassageFormatter passageFormatter)
-
-
Method Detail
-
getField
public String getField()
-
getOffsetSource
public UnifiedHighlighter.OffsetSource getOffsetSource()
-
highlightFieldForDoc
public Object highlightFieldForDoc(LeafReader reader, int docId, String content) throws IOException
The primary method -- highlight this doc, assuming a specific field and given this content.- Throws:
IOException
-
getSummaryPassagesNoHighlight
protected Passage[] getSummaryPassagesNoHighlight(int maxPassages)
Called to summarize a document when no highlights were found. By default this just returns the firstmaxPassages
sentences; subclasses can override to customize. The state ofbreakIterator
should be at the beginning.
-
highlightOffsetsEnums
protected Passage[] highlightOffsetsEnums(OffsetsEnum off) throws IOException
- Throws:
IOException
-
-