Skip to content
This repository has been archived by the owner on Sep 6, 2022. It is now read-only.

feat: add a function to tell if a context subscribes to query events #147

Merged
merged 1 commit into from
Apr 29, 2020
Merged

feat: add a function to tell if a context subscribes to query events #147

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 7 additions & 0 deletions routing/query.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -102,3 +102,10 @@ func PublishQueryEvent(ctx context.Context, ev *QueryEvent) {
ech := ich.(*eventChannel)
ech.send(ctx, ev)
}

// SubscribesToQueryEvents returns true if the context subscribes to query
// events. If this function returns falls, calling `PublishQueryEvent` on the
// context will be a no-op.
func SubscribesToQueryEvents(ctx context.Context) bool {
return ctx.Value(routingQueryKey{}) != nil
}