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https://issues.apache.org/jira/browse/PROTON-1450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16031996#comment-16031996
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Alan Conway commented on PROTON-1450:
-------------------------------------
The above commit adds the type safe amqp.Key type and type safe methods to
correctly manipulate and encode amqp.Message maps.
I have also fixed PROTON-1456 (described type support). The AMQP spec says
filters should use described types, but the filter support in electron will not
enforce that: if your AMQP service accepts non-described types in a filter map
that will still be supported.
I will add the actual filter support shortly to complete this issue, using
map[Symbol]interface{} as the filter type, so you would do something like
filter[Symbol("foo")] = "filter-data"
or
filter[Symbol("foo")] = Described{Symbol("filter-descriptor"),
"filter-data"}
etc.
> Add Filter LinkOption to Electron API
> -------------------------------------
>
> Key: PROTON-1450
> URL: https://issues.apache.org/jira/browse/PROTON-1450
> Project: Qpid Proton
> Issue Type: Improvement
> Components: go-binding
> Reporter: Kale Blankenship
> Assignee: Alan Conway
>
> There doesn't appear to be a way to set filters with the current Go bindings.
> Microsoft's Event Hubs use filters to indicate the starting offset of
> messages
> (http://azure.github.io/amqpnetlite/articles/azure_eventhubs.html#filter).
> Without this option it would be difficult to properly use the bindings with
> Event Hubs.
> There is a wrapper which patches the bindings to provide the functionality
> here: https://github.com/recobe182/gohub. Though I am not familiar enough
> with Qpid to determine if the patch is reasonable.
> Thank you for considering this request and creating/maintaining this project!
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