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SOLR-1381: Handle when term vecs are present, but not offsets 

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@813512 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Grant Ingersoll 2009-09-10 16:47:55 +00:00
parent cd344b8df0
commit 1df597856d
2 changed files with 27 additions and 11 deletions
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8
CHANGES.txt
View File

@ -551,6 +551,8 @@ Bug Fixes
(Uri Boness, yonik)
66. SOLR-1381: Fixed improper handling of fields that have only term positions and not term offsets during Highlighting (Thorsten Fischer, gsingers)
Other Changes
----------------------
1. Upgraded to Lucene 2.4.0 (yonik)
@ -668,7 +670,7 @@ Other Changes
44. Upgraded to Lucene 2.9-dev r801856 (Mark Miller)
45. SOLR1276: Added StatsComponentTest (Rafa<66>ł Ku<4B>ć, gsingers)
45. SOLR1276: Added StatsComponentTest (Rafa<66>ł Ku<4B>ć, gsingers)
46. SOLR-1377: The TokenizerFactory API has changed to explicitly return a Tokenizer
rather then a TokenStream (that may be or may not be a Tokenizer). This change
@ -696,7 +698,7 @@ Build
Documentation
----------------------
1. SOLR-789: The javadoc of RandomSortField is not readable (Nicolas Lalev<65>Ã<EFBFBD>©e via koji)
1. SOLR-789: The javadoc of RandomSortField is not readable (Nicolas Lalev<65>Á<EFBFBD>e via koji)
2. SOLR-962: Note about null handling in ModifiableSolrParams.add javadoc
(Kay Kay via hossman)
@ -1135,7 +1137,7 @@ Bug Fixes
9. SOLR-294: Logging of elapsed time broken on Solaris because the date command
there does not support the %s output format. (bill)
10. SOLR-136: Snappuller - "date -d" and locales don't mix. (J<>Ã<EFBFBD>¼rgen Hermann via bill)
10. SOLR-136: Snappuller - "date -d" and locales don't mix. (J<>Á<EFBFBD>rgen Hermann via bill)
11. SOLR-333: Changed distributiondump.jsp to use Solr HOME instead of CWD to set path.

28
src/java/org/apache/solr/highlight/DefaultSolrHighlighter.java
View File

@ -281,15 +281,20 @@ public class DefaultSolrHighlighter extends SolrHighlighter
// create TokenStream
try {
// attempt term vectors
if( tots == null )
tots = new TermOffsetsTokenStream( TokenSources.getTokenStream(searcher.getReader(), docId, fieldName) );
tstream = tots.getMultiValuedTokenStream( docTexts[j].length() );
if( tots == null ) {
TokenStream tvStream = TokenSources.getTokenStream(searcher.getReader(), docId, fieldName);
if (tvStream != null) {
tots = new TermOffsetsTokenStream(tvStream);
tstream = tots.getMultiValuedTokenStream( docTexts[j].length() );
} else {
// fall back to analyzer
tstream = createAnalyzerTStream(schema, fieldName, docTexts[j]);
}
}
}
catch (IllegalArgumentException e) {
// fall back to anaylzer
TokenStream ts = schema.getAnalyzer().reusableTokenStream(fieldName, new StringReader(docTexts[j]));
ts.reset();
tstream = new TokenOrderingFilter(ts, 10);
// fall back to analyzer
tstream = createAnalyzerTStream(schema, fieldName, docTexts[j]);
}
Highlighter highlighter;
@ -380,6 +385,15 @@ public class DefaultSolrHighlighter extends SolrHighlighter
}
return fragments;
}
private TokenStream createAnalyzerTStream(IndexSchema schema, String fieldName, String docText) throws IOException {
TokenStream tstream;
TokenStream ts = schema.getAnalyzer().reusableTokenStream(fieldName, new StringReader(docText));
ts.reset();
tstream = new TokenOrderingFilter(ts, 10);
return tstream;
}
}
/** Orders Tokens in a window first by their startOffset ascending.