I would like to connect to MongoDb with the following code, but I am
worried about the side-effecting code that comes right after the
dosync:
(def which-database-to-use (ref false))
(def which-collection-to-use (ref false))
(defn connect-to-server []
(mg/connect!))
(defn set-database-to-use []
(mg/set-db! (mg/get-db @which-database-to-use)))
(defn establish-database-connection [database-name-as-string
collection-name-as-string]
(dosync
(ref-set which-database-to-use database-name-as-string)
(ref-set which-collection-to-use collection-name-as-string))
(when @which-database-to-use
(connect-to-server)
(set-database-to-use)))
Is there a risk that set-database-to-use will be called before the
dosync is finished?
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