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producer.clj
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producer.clj
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(ns kafka-clj-test-utils.producer
(:require [kafka-avro-confluent.v2.serializer :as ser]
[kafka-clj-test-utils.core :as co])
(:import java.util.UUID
[org.apache.kafka.clients.producer KafkaProducer ProducerRecord]
org.apache.kafka.common.serialization.StringSerializer))
(defn with-producer
([kafka-config kafka-serde-config f]
(let [pc (co/normalize-config (merge kafka-config
{:retries 3,
:acks "all",
:compression.type "gzip",
:max.request.size 5242880,
:request.timeout.ms 10000,
:max.block.ms 10000}))
key-serializer (StringSerializer.)
value-serializer (ser/->avro-serializer kafka-serde-config)
k-producer (KafkaProducer. pc key-serializer value-serializer)]
(try (f k-producer) (finally (.close k-producer)))))
([config f]
(with-producer (:kafka/config config) (:kafka.serde/config config) f)))
(defn with-producer*
[kafka-config value-serializer f]
(let [pc (co/normalize-config (merge kafka-config
{:retries 3,
:acks "all",
:compression.type "gzip",
:max.request.size 5242880,
:request.timeout.ms 10000,
:max.block.ms 10000}))
key-serializer (StringSerializer.)
k-producer (KafkaProducer. pc key-serializer value-serializer)]
(try (f k-producer) (finally (.close k-producer)))))
(defn produce
([kafka-config kafka-serde-config topic schema val]
(with-producer
kafka-config
kafka-serde-config
(fn [p]
(deref (.send p (ProducerRecord. topic (str (UUID/randomUUID)) {:value val
:schema schema})))
(.flush p))))
([config topic schema val]
(produce (:kafka/config config)
(:kafka.serde/config config)
topic
schema
val)))
(defn produce*
[kafka-config value-serializer topic val]
(with-producer*
kafka-config
value-serializer
(fn [p]
(deref (.send p (ProducerRecord. topic (str (UUID/randomUUID)) val)))
(.flush p))))