That works for me. It was something I missed in the documentation - although it's clearly written. I'm just glad to be able to successfully manipulate graphs and move my project forward. Thanks again!
Tim On Mon, Aug 17, 2020, 11:49 PM Holger Knublauch <hol...@topquadrant.com> wrote: > > On 18/08/2020 13:41, Tim Smith wrote: > > Hi Holger, > > I was thinking it worked like SPARQL syntax. > > It does work like SPARQL, but the ui:update/ui:transaction elements need > to decide when to physically write the triples to the file, and that is > easier to do if only the context graph is modified. I am sure this could be > improved but that's how it works at the moment. > > Holger > > > > Thanks for clearing that up! Now my SWPs will be much more effective. :) > > Tim > > On Mon, Aug 17, 2020, 7:11 PM Holger Knublauch <hol...@topquadrant.com> > wrote: > >> Hi Tim, >> >> you were almost there. The missing info is that ui:update will only write >> to the context graph when done, not any graph mentioned in the INSERT. So >> change it to >> >> <ui:setContext ui:queryGraph="< >> http://example.com/swp_write_to_graph_output>";> >> <ui:update ui:updateQuery="{! >> INSERT { >> ?s ?p ?o . >> } >> WHERE { >> GRAPH ui:tempGraphFinalOutput { >> ?s ?p ?o . >> } . >> } }"/> >> </ui:setContext> >> >> which makes the target graph the active context graph while the source >> graph is moved into the WHERE clause. >> >> You may also want to wrap the ui:update with a ui:transaction if you want >> to bundle multiple updates into a single save step. It will otherwise >> auto-create a transaction for each nested ui:update. >> >> HTH and thanks for taking the time to prepare the bundled example. >> >> Holger >> >> >> On 18/08/2020 05:34, Tim Smith wrote: >> >> Hi, >> >> I cannot write to an existing graph in the workspace from an SWP. This >> is a problem that has plagued me since TBC 5.1.4 so perhaps I'm doing >> something wrong. I've attached a minimal example as a project. >> >> The file, swp_write_to_graph.ui.ttlx contains a subclass of ui:Services >> called w2g:w2graph. In the ui:prototype, I populate a temp graph >> (ui:tempGraphFinalOutput) with a single triple. ui:prototype shown below. >> >> Next, I dump the temp graph to a temporary file using ui:dumpGraph to >> ensure ui:tempGraphFinalOutput contains the triple. This works as >> expected. Then I try to insert the contents into an RDF file that exists >> in the workspace. This file contains nothing but the triples TBC creates >> when a new RDF file is created. >> >> The SWP call completes successfully but the single triple is not inserted >> into the existing graph. >> >> The SWP is called using: >> >> >> http://localhost:8083/tbl/swp?_viewClass=w2g:w2graph&outputGraph=http://example.com/swp_write_to_graph_output&_contextdebug=true >> >> What am I missing such that I cannot insert triples into existing graphs >> from an SWP? >> >> Note that my ultimate goal is to pass the name of the output graph into >> the SWP so you will see a constraint setup for that purpose but it is not >> used in this example. >> >> Any help would be appreciated. I need to create a number of SWPs and >> being able to manipulate graphs at will is a skill I need. >> >> Tim >> >> >> >> <ui:group let:outputFileGraph="{= IRI(?outputGraph) }"> >> <h3>The output graph is {= ?outputGraph } Graph: {= ?outputFileGraph >> }</h3>{= smf:trace("Populating the temp graph... ") }<ui:update >> ui:updateQuery="{! >> INSERT { >> GRAPH ui:tempGraphFinalOutput { >> ?uri rdfs:label "I am a Thing" . >> } . >> } >> WHERE { >> BIND (spif:buildURI("< >> http://example.com/{?1}>", "i_am_a_thing") AS ?uri) . >> } }"/>{= smf:trace("Finished!") } >> >> {= smf:trace("Dumping to the debug graph...") }<ui:dumpGraph >> ui:filePath="/SWP_Example/swp_write_to_graph_debug_output.ttl" >> ui:graph="ui:tempGraphFinalOutput"/> >> <!-- Try to insert into the output graph -->{= smf:trace("Writing >> output graph... ") }<ui:setContext ui:queryGraph="ui:tempGraphFinalOutput"> >> <ui:update ui:updateQuery="{! >> INSERT { >> GRAPH < >> http://example.com/swp_write_to_graph_output> { >> ?s ?p ?o . >> } . >> } >> WHERE { >> ?s ?p ?o . >> } }"/> >> </ui:setContext> >> </ui:group> >> -- >> You received this message because you are subscribed to the Google Groups >> "TopBraid Suite Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to topbraid-users+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/topbraid-users/CAF0Wbn%2BG7FQ8vk8nsLP8FPt%3DoLy86mOs9PuBudBcQP4FTTyO3g%40mail.gmail.com >> <https://groups.google.com/d/msgid/topbraid-users/CAF0Wbn%2BG7FQ8vk8nsLP8FPt%3DoLy86mOs9PuBudBcQP4FTTyO3g%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> -- >> You received this message because you are subscribed to the Google Groups >> "TopBraid Suite Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to topbraid-users+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/topbraid-users/f1680b28-4484-6d60-6f7d-8f2ec33bb586%40topquadrant.com >> <https://groups.google.com/d/msgid/topbraid-users/f1680b28-4484-6d60-6f7d-8f2ec33bb586%40topquadrant.com?utm_medium=email&utm_source=footer> >> . >> > -- > You received this message because you are subscribed to the Google Groups > "TopBraid Suite Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to topbraid-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/topbraid-users/CAF0WbnLhFF%3Dr9ezd6n%2BMnJyA4oP7a-eOR5N5CEroLzGCVup7nA%40mail.gmail.com > <https://groups.google.com/d/msgid/topbraid-users/CAF0WbnLhFF%3Dr9ezd6n%2BMnJyA4oP7a-eOR5N5CEroLzGCVup7nA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups > "TopBraid Suite Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to topbraid-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/topbraid-users/eaec939c-d941-9cf3-b27f-1ae976c5ffe5%40topquadrant.com > <https://groups.google.com/d/msgid/topbraid-users/eaec939c-d941-9cf3-b27f-1ae976c5ffe5%40topquadrant.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "TopBraid Suite Users" group. 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