Niraj Patel created JENA-1604:
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Summary: Add request hook for HTTP query execution
Key: JENA-1604
URL: https://issues.apache.org/jira/browse/JENA-1604
Project: Apache Jena
Issue Type: Task
Components: Jena
Reporter: Niraj Patel
I am using Jena's QueryEngineHTTP for queries and RemoteUpdateRequest for
updates. I would like to send a custom header that will differ on each request.
Our database, Allegrograph, allows us to pass down custom headers while
querying or updating in order to store that information in access logs. For
each SPARQL request we want to send down unique request markers and usernames
in order to be able to trace from a UI click to backend calls to queries that
were performed in the graph. I did some digging around and it seems like it's
not possible. Using default headers when configuring Apache's Http Client
wouldn't work in this case. The suggestion [~andy.seaborne] made was to create
a request hook in HttpOp where we could add additional headers as necessary.
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