juplo.de Git - demos/kafka/chat/blob - src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/ChannelReactiveHealthIndicator.java

   1 package de.juplo.kafka.chat.backend.implementation.kafka;
   2
   3 import lombok.RequiredArgsConstructor;
   4 import org.springframework.boot.actuate.health.AbstractReactiveHealthIndicator;
   5 import org.springframework.boot.actuate.health.Health;
   6 import reactor.core.publisher.Mono;
   7
   8
   9 @RequiredArgsConstructor
  10 public class ChannelReactiveHealthIndicator extends AbstractReactiveHealthIndicator
  11 {
  12   private final Channel channel;
  13
  14
  15   @Override
  16   protected Mono<Health> doHealthCheck(Health.Builder builder)
  17   {
  18     return Mono
  19         .fromSupplier(() -> channel.getChannelState())
  20         .map(state  -> switch(state)
  21             {
  22               case STARTING -> builder.outOfService();
  23               case LOAD_IN_PROGRESS -> builder.outOfService();
  24               case READY -> builder.up();
  25               case SHUTTING_DOWN -> builder.down();
  26             })
  27         .map(healthBuilder -> healthBuilder.build());
  28   }
  29 }