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From Amin Mohammed-Coleman <ami...@gmail.com>
Subject Re: Indexing and Searching Web Application
Date Tue, 20 Jan 2009 06:44:46 GMT


Sent from my iPhone

On 19 Jan 2009, at 23:23, Greg Shackles <gshackles@gmail.com> wrote:

> I just quickly skimmed the code since I don't have much time right  
> now but
> it looks like you are keeping an array of IndexSearchers open that you
> re-use in this search function, right?  If that's the case, you need  
> to tell
> those IndexSearchers to re-open the indexes because they have  
> changed since
> they were first opened.  That should solve your problem.
>
> - Greg
>
> On Mon, Jan 19, 2009 at 4:45 PM, Amin Mohammed-Coleman <aminmc@gmail.com 
> >wrote:
>
>> I make a call to my search class which looks like this:
>>
>>
>> public Summary[] search(SearchRequest searchRequest) {
>>               List<Summary> summaryList = new ArrayList<Summary>();
>>               StopWatch stopWatch = new StopWatch("searchStopWatch");
>>               stopWatch.start();
>>               MultiSearcher multiSearcher = null;
>>               try {
>>                       multiSearcher = new
>> MultiSearcher(searchers.toArray(new IndexSearcher[] {}));
>>                       QueryParser queryParser = new
>> MultiFieldQueryParser(FieldNameEnum.fieldNameDescriptions(),  
>> analyzer);
>>                       Query query =
>> queryParser.parse(searchRequest.getSearchTerm());
>>
>>                       //TODO: Sort and Filters
>>
>>                       TopDocs topDocs = multiSearcher.search(query,  
>> 100);
>>                       ScoreDoc[] scoreDocs = topDocs.scoreDocs;
>>                       LOGGER.debug("total number of hits for [" +
>> query.toString() + " ] = " +topDocs.totalHits);
>>
>>                       for (ScoreDoc scoreDoc : scoreDocs) {
>>                               final Document doc =
>> multiSearcher.doc(scoreDoc.doc);
>>                               float score = scoreDoc.score;
>>                               final BaseDocument baseDocument = new
>> BaseDocument(doc, score);
>>                               Summary documentSummary = new
>> DocumentSummaryImpl(baseDocument);
>>                               summaryList.add(documentSummary);
>>                       }
>>
>>               } catch (Exception e) {
>>                       throw new IllegalStateException(e);
>>               }
>>               stopWatch.stop();
>>
>>               LOGGER.debug("total time taken for seach: " +
>> stopWatch.getTotalTimeMillis() + " ms");
>>               return summaryList.toArray(new Summary[] {});
>>       }
>>
>> Do I need to do this explicitly?
>>
>>
>> Cheers
>> Amin
>>
>>
>> On 19 Jan 2009, at 20:48, Greg Shackles wrote:
>>
>> After you make the commit to the index, are you reloading the index  
>> in the
>>> searchers?
>>>
>>> - Greg
>>>
>>>
>>> On Mon, Jan 19, 2009 at 3:29 PM, Amin Mohammed-Coleman <aminmc@gmail.com
>>>> wrote:
>>>
>>> Hi
>>>>
>>>> I have recently worked on developing an application which allows  
>>>> you to
>>>> upload a file (which is indexed so you can search later).  I have
>>>> numerous
>>>> tests to show that you can index and search documents (in some  
>>>> instances
>>>> within the same test), however when I perform the operation in  
>>>> the site:
>>>>
>>>> 1) Upload File and Index
>>>> 2) Search
>>>>
>>>> I don't get any hits.  When I restart the application then if I  
>>>> make
>>>> another search I can find the results.  It seems as though  
>>>> indexes aren't
>>>> being committed when I do the initial upload.  This is strange.  I
>>>> explicitly call commit in my code when I upload the file.  Has  
>>>> anyone
>>>> experienced this before?
>>>>
>>>> Any help would be appreciated.
>>>>
>>>> Kind Regards
>>>>
>>>> Amin
>>>>
>>>> --- 
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>>>>
>>>>
>>>>
>>

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