org.apache.lucene.search.highlight
Class SimpleSpanFragmenter
java.lang.Object
org.apache.lucene.search.highlight.SimpleSpanFragmenter
- All Implemented Interfaces:
- Fragmenter
public class SimpleSpanFragmenter
- extends Object
- implements Fragmenter
Fragmenter
implementation which breaks text up into same-size
fragments but does not split up Spans
. This is a simple sample class.
Method Summary |
boolean |
isNewFragment()
Test to see if this token from the stream should be held in a new
TextFragment. |
void |
start(String originalText,
TokenStream tokenStream)
Initializes the Fragmenter. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
SimpleSpanFragmenter
public SimpleSpanFragmenter(QueryScorer queryScorer)
- Parameters:
queryScorer
- QueryScorer that was used to score hits
SimpleSpanFragmenter
public SimpleSpanFragmenter(QueryScorer queryScorer,
int fragmentSize)
- Parameters:
queryScorer
- QueryScorer that was used to score hitsfragmentSize
- size in bytes of each fragment
isNewFragment
public boolean isNewFragment()
- Description copied from interface:
Fragmenter
- Test to see if this token from the stream should be held in a new
TextFragment. Every time this is called, the TokenStream
passed to start(String, TokenStream) will have been incremented.
- Specified by:
isNewFragment
in interface Fragmenter
start
public void start(String originalText,
TokenStream tokenStream)
- Description copied from interface:
Fragmenter
- Initializes the Fragmenter. You can grab references to the Attributes you are
interested in from tokenStream and then access the values in
Fragmenter.isNewFragment()
.
- Specified by:
start
in interface Fragmenter
- Parameters:
originalText
- the original source texttokenStream
- the TokenStream
to be fragmented
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