Hi,Patrick
I tested use a map , get a single LuceneIndexAccessor,and get a cached
IndexWriter ,but after do operation of update,delete,add documents,I should
close the IndexWriter to release the Lock,it will throw Exceptions" this
IndexWriter is closed" when other threads execute add,update,delete
operations.should I synchronized the IndexWriter object? It's better if you can
send me a demo ,thanks .
kai
>Hi Kai
>
>We keep a synchronized map of LuceneIndexAccessor instances, one instance per
>Directory. The map is keyed on the directory path. We then re-use
>the accessor rather than creating a new one each time.
>
>Patrick
>
On 06/08/07, Kai Hu <[EMAIL PROTECTED]> wrote:
> Thanks , Patrick,
>
> It is useful. But I found a problem that I use
>
> "new LuceneIndexAccessor(accessProvider);" when a request comes in B/S,the
> LuceneIndexAccessor.getWriter() will lose its sense,it will new an
> IndexWriter.
>
> public IndexWriter getWriter() throws IOException {
>
> IndexWriter result;
>
> synchronized (this) {//here "synchronized" will lose its sense
>
> checkClosed();
>
> ...
>
> if (cachedWriter != null) {
>
> log.debug("returning cached writer");
>
> result = cachedWriter;
>
> writerUseCount++;
>
> } else {
>
> log.debug("opening new writer and caching it");
>
> result = accessProvider.getWriter();// when new a
> LuceneIndexAccessor Object ,it will new an IndexWriter Object
>
> cachedWriter = result;
>
> writerUseCount = 1;
>
> }
>
> }
>
> }
>
> It will also throw a Exception "cann't obtain the Lock",should I use a single
> instance of LuceneIndexAccessor? Suppose I use a single instance of
> LuceneIndexAccessor,how to set a different Directory or Analyzer at one time.
>
>
>
> kai
>
>
> ///////////////////////////////////////////////////////////
>
> ///////////////////////////////////////////////////////////
>
>
>
> >Hi Kai
>
> >
>
> >We use the Lucene Index Accessor contribution:
>
> >
>
> >http://www.nabble.com/Fwd%3A-Contribution%3A-LuceneIndexAccessor-t17416.html#a47049
>
> >
>
> >Patrick
>
>
>
> On 06/08/07, Kai Hu <[EMAIL PROTECTED]> wrote:
>
> > Hi,
>
> >
>
> > How do you solve the problems when add,update,delete documents
>
> > in muti-threads,use synchronized ?
>
> >
>
> >
>
>
>
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>
>
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