Winona, this sounds like an interesting direction -- I'm mostly in the dark on modules, so this is really neat.
Thanks! Bridger On Mon, Jan 18, 2016 at 1:11 PM, Winona Salesky <[email protected]> wrote: > Have you considered using the EXPath http client rather then the doc() > function, I find it to be a more flexible option for handling API > interactions? http://expath.org/modules/http-client/samples > > You can then run your query, and base subsequent action on the http status > code, do a if/else for http status code 200, if 200, then test for a > resumption token. If there is a resumption token, resubmit same query with > resumption token parameter added otherwise (if no resumption token) your > query is done. > > Does that help? Or are you looking for something a little more step by > step? > -Winona > > > On Mon, Jan 18, 2016 at 11:58 AM, Bridger Dyson-Smith < > [email protected]> wrote: > >> Hi Christian, >> >> thank you for your help. I'm using BaseX 8.3.1 as my query processor. I'm >> guilty, I'm afraid, of presenting a poorly framed question to the list. I >> need to mull over the problem a little more. >> >> Thanks again! >> Bridger >> >> On Mon, Jan 18, 2016 at 11:32 AM, Christian Grün < >> [email protected]> wrote: >> >>> Hi Bridger, >>> >>> I know too little about the API you are working, and your query >>> processor (parts of the semantics of fn:doc are >>> implementation-defined), but I noticed that the URL construction might >>> need to be revised: >>> >>> OLD: >>> local:getPID(doc("$in" || "&sessionToken=" || "$rQ")) >>> >>> NEW: >>> local:getPID(doc($in || "&sessionToken=" || encode-for-uri($rQ))) >>> >>> Possibly, $in (or a part of it) needs to be encoded as well. >>> >>> Hope this helps, >>> Christian >>> >>> >>> >>> On Mon, Jan 18, 2016 at 5:09 PM, Bridger Dyson-Smith >>> <[email protected]> wrote: >>> > Hi all, >>> > >>> > I'm struggling with getting a working example of the following >>> problem: I'm >>> > sending a query to an API that returns some data and, if the data set >>> is >>> > large enough, a resumption token to requery the API. >>> > >>> > I'm stuck at the point of how to generate the new query URL, while >>> still >>> > processing the new data. Is the best idea to create a function that >>> will >>> > update a new request to the API, or is there a different approach that >>> can >>> > be used? >>> > >>> > I've made several attempts with functions -- the latest non-working >>> examples >>> > are below -- and I'm missing... something, but I don't know what. >>> > >>> > Thanks for any guidance you can provide. >>> > Cheers, >>> > Bridger >>> > >>> > (: sample query :) >>> > (: >>> > >>> http://server:8080/fedora/objects?query=pid~{$collection}*&resultFormat=xml&pid=true >>> > :) >>> > >>> > declare variable $query external := >>> > ' >>> http://our.server:8080/fedora/objects?query=pid~gamble*&resultFormat=xml&pid=true >>> '; >>> > declare variable $sessionToken := '&sessionToken='; >>> > declare variable $resToken := ''; >>> > >>> > (:functions:) >>> > (:doesn't work:) >>> > declare function local:getPID($in as document-node()) as >>> xs:anyAtomicType* >>> > { >>> > data($in/*:resultList/*:objectFields/*:pid) >>> > }; >>> > >>> > (:doesn't work:) >>> > declare function local:reQuery( >>> > $in as document-node(), >>> > $rQ as xs:untypedAtomic*) as document-node() >>> > { >>> > let $rQ := $in/*:listSession/*:token/text() >>> > return ( >>> > if ($rQ) then >>> > local:getPID(doc("$in" || "&sessionToken=" || "$rQ")) >>> > else () >>> > ) >>> > }; >>> > >>> > (: this works processing the descendant elements but doesn't recurse :) >>> > for $result in fn:doc($query)/*:result >>> > let $resToken := $result/*:listSession/*:token/text() >>> > let $pid := $result/*:resultList/*:objectFields/*:pid/text() >>> > return ( >>> > $result, >>> > $resToken, >>> > $pid >>> > ) >>> > >>> > (: sample returned from query; e.g. $result :) >>> > <result xmlns="http://www.fedora.info/definitions/1/0/types/"; >>> > xmlns:types="http://www.fedora.info/definitions/1/0/types/"; >>> > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; >>> > xsi:schemaLocation="http://www.fedora.info/definitions/1/0/types/ >>> > http://localhost:8080/fedora/schema/findObjects.xsd";> >>> > <listSession> >>> > <token>63c0762b5eb3d4b46c58add843b7b3e6</token> >>> > <cursor>0</cursor> >>> > <expirationDate>2016-01-18T01:40:05.381Z</expirationDate> >>> > </listSession> >>> > <resultList> >>> > <objectFields> >>> > <pid>gamble:1</pid> >>> > </objectFields> >>> > <objectFields> >>> > <pid>gamble:10</pid> >>> > </objectFields> >>> > </resultList> >>> > </result> >>> > >>> > >>> > >>> > >>> > >>> > >>> > _______________________________________________ >>> > [email protected] >>> > http://x-query.com/mailman/listinfo/talk >>> >> >> >> _______________________________________________ >> [email protected] >> http://x-query.com/mailman/listinfo/talk >> > >
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