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https://issues.apache.org/jira/browse/NUTCH-2441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16276460#comment-16276460
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ASF GitHub Bot commented on NUTCH-2441:
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lewismc commented on issue #250: fix for NUTCH-2441 ARG_SEGMENT fix for REST API
URL: https://github.com/apache/nutch/pull/250#issuecomment-348896808
No problems thanks, can you just update the formatting then please?
On Mon, Dec 4, 2017 at 06:35 Semyon <[email protected]> wrote:
> *@okedoki* commented on this pull request.
> ------------------------------
>
> In src/java/org/apache/nutch/metadata/Nutch.java
> <https://github.com/apache/nutch/pull/250#discussion_r154567386>:
>
> > @@ -96,7 +96,7 @@
> * Similar to the -dir command in the bin/nutch script **/
> public static final String ARG_SEGMENTDIR = "segment_dir";
> /** Argument key to specify the location of individual segment for the
REST endpoints **/
>
> @lewismc <https://github.com/lewismc> The motivation is the following :
> Part of the endpoints treat segments as an individual Path, part as an
> array of Paths. Therefore we have an inconsistent usage of the REST API
> value. The patch allows to use both of them for all endpoints(either array
> of paths or an individual path, depends on what you sent).
>
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> ARG_SEGMENT usage
> -----------------
>
> Key: NUTCH-2441
> URL: https://issues.apache.org/jira/browse/NUTCH-2441
> Project: Nutch
> Issue Type: Improvement
> Components: metadata
> Affects Versions: 1.13
> Reporter: Semyon Semyonov
> Fix For: 1.14
>
> Attachments: metadataARG_SEGMENT.patch
>
>
> The class metadata/Nutch.java public static final String ARG_SEGMENT =
> "segment" is not used correctly. In some cases Fetcher and ParseSegment it is
> interpreted as a single segmenet, in others CrawlDb, LinkDb, IndexingJob as
> an array of segments. Such misunderstanding leads to inconsistency of usage
> of the parameter.
> After a discussion with [~wastl-nagel] the proposed solution is to allow the
> usage of both array and a string in all cases. That gives an opportunity to
> not introduce the broken changes.
> A path is proposed.
> *The question left is refactoring, all these five components share the same
> code(two versions of the same code to be precise). Shouldn't we extract a
> method and reduce duplicates? *
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