+ @Bean(initMethod = "start", destroyMethod = "stop")
+ public CounterStreamProcessor streamProcessor(
+ CounterApplicationProperties properties,
+ ObjectMapper objectMapper,
+ ConfigurableApplicationContext context)
+ {
+ Properties propertyMap = new Properties();
+
+ propertyMap.put(StreamsConfig.APPLICATION_ID_CONFIG, properties.getApplicationId());
+ propertyMap.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServer());
+ propertyMap.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, Serdes.StringSerde.class.getName());
+ propertyMap.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, Serdes.StringSerde.class.getName());
+ propertyMap.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
+
+ CounterStreamProcessor streamProcessor = new CounterStreamProcessor(
+ properties.getInputTopic(),
+ properties.getOutputTopic(),
+ propertyMap,
+ objectMapper);
+
+ streamProcessor.streams.setUncaughtExceptionHandler((Throwable e) ->
+ {
+ log.error("Unexpected error!", e);
+ CompletableFuture.runAsync(() ->
+ {
+ log.info("Stopping application...");
+ SpringApplication.exit(context, () -> 1);
+ });
+ return SHUTDOWN_CLIENT;
+ });
+
+
+ return streamProcessor;
+ }
+