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Enable naming global-ktable local store #277

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Enable naming global-ktable local store #277

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fbd8c69
Extend global-ktable function to accept a store-name parameter
viktor-matic Oct 26, 2020
875a1f3
Add new global-ktable function with a store-name parameter to IStream…
viktor-matic Oct 26, 2020
97cfef7
A new arity overload which accepts a store-name parameter to the glob…
viktor-matic Oct 26, 2020
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7 changes: 5 additions & 2 deletions src/jackdaw/streams.clj
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Original file line number Diff line number Diff line change
Expand Up @@ -38,8 +38,11 @@
(defn global-ktable
"Creates a GlobalKTable that will consist of data from the specified
topic."
[streams-builder topic-config]
(p/global-ktable streams-builder topic-config))
([streams-builder topic-config]
(p/global-ktable streams-builder topic-config))
([streams-builder topic-config store-name]
(p/global-ktable streams-builder topic-config store-name)))


(defn source-topics
"Gets the names of source topics for the topology."
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23 changes: 18 additions & 5 deletions src/jackdaw/streams/interop.clj
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Expand Up @@ -92,6 +92,17 @@
^Consumed (topic->consumed topic-config)
^Materialized (topic->materialized (assoc topic-config
:topic-name store-name)))))))
(def ^:private global-ktable-memo
"Returns a global-ktable for the topic, creating a new one if needed."
(memoize
(fn [streams-builder {:keys [topic-name] :as topic-config}
store-name]
(clj-global-ktable
(.globalTable ^StreamsBuilder streams-builder
^String topic-name
^Consumed (topic->consumed topic-config)
^Materialized (topic->materialized (assoc topic-config
:topic-name store-name)))))))

(deftype CljStreamsBuilder [^StreamsBuilder streams-builder]
IStreamsBuilder
Expand Down Expand Up @@ -121,11 +132,13 @@
[_ topic-config store-name]
(ktable-memo streams-builder topic-config store-name))

(global-ktable [_ {:keys [topic-name] :as topic-config}]
(clj-global-ktable
(.globalTable ^StreamsBuilder streams-builder
^String topic-name
^Consumed (topic->consumed topic-config))))
(global-ktable
[_ {:keys [topic-name] :as topic-config}]
(global-ktable-memo streams-builder topic-config topic-name))

(global-ktable
[_ {:keys [topic-name] :as topic-config} store-name]
(global-ktable-memo streams-builder topic-config store-name))

(streams-builder*
[_]
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3 changes: 2 additions & 1 deletion src/jackdaw/streams/protocols.clj
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Expand Up @@ -24,8 +24,9 @@

(global-ktable
[topology-builder topic-config]
[topology-builder topic-config store-name]
"Creates a GlobalKTable that will consist of data from the specified
topic.")
topic.")

(source-topics
[topology-builder]
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