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https://issues.apache.org/jira/browse/NUTCH-442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12539365
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Doğacan Güney commented on NUTCH-442:
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> make NutchDocument implement VersionedWritable instead of writable, and
> delegate version checking to superclass
I never quite understood how VersionedWritable is supposed to work. It only
checks for a version then throws an exception. If you want your class to behave
differently you have to write custom code anyway.
> refactor getDetails() methods in HitDetailer to Searcher (it is not likely
> that a class would implement Searcher but not HitDetailer)
> use Searcher, delete HitDetailer and SearchBean
> Rename XXXBean classes so that they do not include "bean". (I think it is
> confusing to have bean objects that have non-trivial functionality)
I agree with these three but I would like to get feedback from others before
making this change.
> refactor LuceneSearchBean.VERSION to RPCSearchBean
We can't do this because there may be other RPCSearchBean-s besides
LuceneSearchBean. So VERSION has to be redefined in every class that implements
RPCSearchBean.
> remove unrelated changes from the patch.(the changes in NGramProfile,
> HTMLLanguageParser,LanguageIdentifier,... correct me if i'm wrong)
Correct... I will send an updated patch (that also includes Java 5
ExecutorService fixes)
> As far as i can see, we do not need any metadata for Solr backend, and only
> need Store,Index and Vector options for lucene backend, so i think we can
> simplify NutchDocument#metadata. We may implement : [...]
I really don't want to make NutchDocument depend on Lucene. So I would prefer
that FieldMeta doesn't depend on Lucene data structures. Because it is possible
to implement a non-lucene backend (say, you might want to index to a database)
> Integrate Solr/Nutch
> --------------------
>
> Key: NUTCH-442
> URL: https://issues.apache.org/jira/browse/NUTCH-442
> Project: Nutch
> Issue Type: New Feature
> Environment: Ubuntu linux
> Reporter: rubdabadub
> Attachments: NUTCH_442_v3.patch, RFC_multiple_search_backends.patch,
> schema.xml
>
>
> Hi:
> After trying out Sami's patch regarding Solr/Nutch. Can be found here
> (http://blog.foofactory.fi/2007/02/online-indexing-integrating-nutch-with.html)
> and I can confirm it worked :-) And that lead me to request the following :
> I would be very very great full if this could be included in nutch 0.9 as I
> am trying to eliminate my python based crawler which post documents to solr.
> As I am in the corporate enviornment I can't install trunk version in the
> production enviornment thus I am asking this to be included in 0.9 release. I
> hope my wish would be granted.
> I look forward to get some feedback.
> Thank you.
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