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From Simon Willnauer <simon.willna...@googlemail.com>
Subject Re: stop the search
Date Mon, 23 May 2011 06:48:41 GMT
The simplest way would be a CollectorDelegate that wraps an existing
collector and checks a boolean before calling the delegates collect
method.

simon

On Mon, May 23, 2011 at 8:09 AM, liat oren <oren.liat@gmail.com> wrote:
> Thank you very much.
>
> So the best solution would be to implement the collector with a stop
> function.
> Do you happen to have an example for that?
>
> Many thanks,
> Liat
>
> On 22 May 2011 13:19, Simon Willnauer <simon.willnauer@googlemail.com>
> wrote:
>>
>> On Sun, May 22, 2011 at 4:48 PM, Devon H. O'Dell <devon.odell@gmail.com>
>> wrote:
>> > I have my own collector, but implemented this functionality by running
>> > the search in a thread pool and terminating the FutureTask running the
>> > job if it took longer than some configurable amount of time. That
>> > seemed to do the trick for me. (In my case, the IndexReader is
>> > explicitly opened readonly, so I'm not too worried about it).
>>
>> This can be super dangerous if you use Future. cancel() ie.
>> Thread.interrupt(). If the interrupt is called while you are reading
>> from a NIO FileDescriptor the channel will be closed and Lucene can
>> not recover from that state if the file has already been merged away.
>> Your Reader will get ChannelAlreadyClosed exceptions for any
>> subsequent access. You should prevent this.
>> see FSDirectory Javadoc
>>
>> http://lucene.apache.org/java/3_1_0/api/core/org/apache/lucene/store/FSDirectory.html
>>
>> simon
>> >
>> > --dho
>> >
>> > 2011/5/22 Simon Willnauer <simon.willnauer@googlemail.com>:
>> >> you can impl. you own collector and notify the collector to stop if you
>> >> need to.
>> >> simon
>> >>
>> >> On Sun, May 22, 2011 at 12:06 PM, liat oren <oren.liat@gmail.com>
>> >> wrote:
>> >>> Hi Everyone,
>> >>>
>> >>> Is there a way to stop a multi search in the middle?
>> >>>
>> >>> Thanks a lot,
>> >>> Liat
>> >>>
>> >>
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>> >>
>> >
>>
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>
>

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