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From "Kay Kay (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SOLR-938) DataImportHandler: Add close hooks to the completion of a full-import process
Date Wed, 24 Dec 2008 17:16:46 GMT

     [ https://issues.apache.org/jira/browse/SOLR-938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kay Kay updated SOLR-938:
-------------------------

          Component/s: contrib - DataImportHandler
        Fix Version/s: 1.4
    Affects Version/s: 1.4

> DataImportHandler: Add close hooks to the completion of a full-import process 
> ------------------------------------------------------------------------------
>
>                 Key: SOLR-938
>                 URL: https://issues.apache.org/jira/browse/SOLR-938
>             Project: Solr
>          Issue Type: New Feature
>          Components: contrib - DataImportHandler
>    Affects Versions: 1.4
>         Environment: JRE 6, Tomcat 6
>            Reporter: Kay Kay
>             Fix For: 1.4
>
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> Adding a new feature that we need for continuation of a workflow based on a full-import
procedure. When   a full-import completes , the pre-defined hook method is called at the end
of the same. 
> Implementations that need to notified , need to implement the new interface - DataImportCloseHook
and register themselves in the data config file as follows. 
> <dataConfig>
> .
> .
> .
> .
>    <closeHook type="com.myorg.fullimporter.closeHookImpl1" />
>    <closeHook type="com.myorg.fullimporter.closeHookImpl2" />
> </dataConfig>
> A single instance of them is created (as part of DataImporter) during instantiation and
the same insance is reused across multiple invocations. 
> Since the dataImporter is protected by a thread-lock - there is no thred-safe guarantee
for the implementations of the full-import close hook. 

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