juplo.de Git - demos/kafka/wordcount/blob - src/main/java/de/juplo/kafka/wordcount/query/QueryApplicationConfiguration.java

   1 package de.juplo.kafka.wordcount.query;
   2
   3 import com.fasterxml.jackson.databind.ObjectMapper;
   4 import org.apache.kafka.streams.state.HostInfo;
   5 import org.springframework.boot.autoconfigure.web.ServerProperties;
   6 import org.springframework.boot.context.properties.EnableConfigurationProperties;
   7 import org.springframework.context.ConfigurableApplicationContext;
   8 import org.springframework.context.annotation.Bean;
   9 import org.springframework.context.annotation.Configuration;
  10
  11 import java.io.IOException;
  12 import java.net.InetSocketAddress;
  13 import java.net.Socket;
  14
  15
  16 @Configuration
  17 @EnableConfigurationProperties(QueryApplicationProperties.class)
  18 public class QueryApplicationConfiguration
  19 {
  20         @Bean
  21         public HostInfo applicationServer(
  22                         ServerProperties serverProperties,
  23                         QueryApplicationProperties applicationProperties) throws IOException
  24         {
  25                 String host;
  26                 if (serverProperties.getAddress() == null)
  27                 {
  28                         HostInfo bootstrapServer = HostInfo.buildFromEndpoint(applicationProperties.getBootstrapServer());
  29                         Socket socket = new Socket();
  30                         socket.connect(new InetSocketAddress(bootstrapServer.host(), bootstrapServer.port()));
  31                         host = socket.getLocalAddress().getHostAddress();
  32                 }
  33                 else
  34                 {
  35                         host = serverProperties.getAddress().getHostAddress();
  36                 }
  37
  38                 Integer port = serverProperties.getPort() == null ? 8080 : serverProperties.getPort();
  39
  40                 return new HostInfo(host, port);
  41         }
  42
  43         @Bean
  44         public QueryStreamProcessor streamProcessor(
  45                         QueryApplicationProperties applicationProperties,
  46                         HostInfo applicationServer,
  47                         ObjectMapper mapper,
  48                         ConfigurableApplicationContext context)
  49         {
  50                 return new QueryStreamProcessor(
  51                                 applicationProperties.getApplicationId(),
  52                                 applicationServer,
  53                                 applicationProperties.getBootstrapServer(),
  54                                 applicationProperties.getUsersInputTopic(),
  55                                 applicationProperties.getRankingInputTopic(),
  56                                 mapper,
  57                                 context);
  58         }
  59 }