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Posted to solr-dev@lucene.apache.org by "Shalin Shekhar Mangar (JIRA)" <ji...@apache.org> on 2009/05/02 21:00:30 UTC

[jira] Commented: (SOLR-994) EnumeratedEntityTransformer

    [ https://issues.apache.org/jira/browse/SOLR-994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12705318#action_12705318 ] 

Shalin Shekhar Mangar commented on SOLR-994:
--------------------------------------------

bq. one extra addition which I can think of is put an implicit variable 'rowsFetchedCount ' into the variableresolver so that it can be directly used .

With SOLR-989 Context exposes the statistics map so rowCount is already available. Should we close this issue?

> EnumeratedEntityTransformer
> ---------------------------
>
>                 Key: SOLR-994
>                 URL: https://issues.apache.org/jira/browse/SOLR-994
>             Project: Solr
>          Issue Type: New Feature
>          Components: contrib - DataImportHandler
>    Affects Versions: 1.4
>            Reporter: Jared Flatow
>            Assignee: Shalin Shekhar Mangar
>            Priority: Minor
>             Fix For: 1.4
>
>         Attachments: SOLR-994.patch
>
>
> An EnumeratedEntityTransformer gives the Nth entity an accessible ${<entity>.n} == N. In addition, the entity may specify a chunkSize attribute, which will cause the chunkSize'th entity to gain the attribute $hasMore=true. A template for a nextUrl may also be specified on the entity, that is different from the url template.
> Consider an API:
> http://host:port/path/to/resource?maximum_number_returned=50&return_start_index=0
> an entity could specify:
> <entity name="myEntity" processor="XPathEntityProcessor" transformer="EnumeratedEntityTransformer" url="http://host:port/path/to/resource?maximum_number_returned=50&return_start_index=${myEntity.n}" chunkSize=50>...</entity>
> This allows for fetching entities in chunks until there are < chunkSize returned.

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Re: [jira] Commented: (SOLR-994) EnumeratedEntityTransformer

Posted by Noble Paul നോബിള്‍ नोब्ळ् <no...@gmail.com>.
But it is not yet acessible though VariableResolver

On Sun, May 3, 2009 at 12:30 AM, Shalin Shekhar Mangar (JIRA)
<ji...@apache.org> wrote:
>
>    [ https://issues.apache.org/jira/browse/SOLR-994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12705318#action_12705318 ]
>
> Shalin Shekhar Mangar commented on SOLR-994:
> --------------------------------------------
>
> bq. one extra addition which I can think of is put an implicit variable 'rowsFetchedCount ' into the variableresolver so that it can be directly used .
>
> With SOLR-989 Context exposes the statistics map so rowCount is already available. Should we close this issue?
>
>> EnumeratedEntityTransformer
>> ---------------------------
>>
>>                 Key: SOLR-994
>>                 URL: https://issues.apache.org/jira/browse/SOLR-994
>>             Project: Solr
>>          Issue Type: New Feature
>>          Components: contrib - DataImportHandler
>>    Affects Versions: 1.4
>>            Reporter: Jared Flatow
>>            Assignee: Shalin Shekhar Mangar
>>            Priority: Minor
>>             Fix For: 1.4
>>
>>         Attachments: SOLR-994.patch
>>
>>
>> An EnumeratedEntityTransformer gives the Nth entity an accessible ${<entity>.n} == N. In addition, the entity may specify a chunkSize attribute, which will cause the chunkSize'th entity to gain the attribute $hasMore=true. A template for a nextUrl may also be specified on the entity, that is different from the url template.
>> Consider an API:
>> http://host:port/path/to/resource?maximum_number_returned=50&return_start_index=0
>> an entity could specify:
>> <entity name="myEntity" processor="XPathEntityProcessor" transformer="EnumeratedEntityTransformer" url="http://host:port/path/to/resource?maximum_number_returned=50&return_start_index=${myEntity.n}" chunkSize=50>...</entity>
>> This allows for fetching entities in chunks until there are < chunkSize returned.
>
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-- 
--Noble Paul