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https://issues.apache.org/jira/browse/DROIDS-58?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Frovarp updated DROIDS-58:
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Fix Version/s: (was: 0.2.0)
0.3.0
> Implement a filter mechanism that allow intecepting every stage of a crawling
> process
> -------------------------------------------------------------------------------------
>
> Key: DROIDS-58
> URL: https://issues.apache.org/jira/browse/DROIDS-58
> Project: Droids
> Issue Type: New Feature
> Affects Versions: 0.1.0
> Reporter: Mingfai Ma
> Fix For: 0.3.0
>
>
> refer to this:
> http://mail-archives.apache.org/mod_mbox/incubator-droids-dev/200906.mbox/%[email protected]%3E
> assume the process is
> 1. poll a link from queue
> 2. fetch entity
> 3. parse entity
> 4. extract outlinks
> we provide a mechanism to intercept the process in every stage. e.g. a
> LinkFilter has a "public T polled(T link);" interface, any filter may reject
> or transform a Link polled from the queue. similar logic applies to fetching,
> parsing, and extracting (outlink)
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