* Fault Tolerancee
* Circuit Breaker

pom.xml:

    Spring-Cloud-Starter-netflix-hystrix

<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
</dependency>

<dependency>
<groupId>com.netflix.hystrix</groupId>
<artifactId>hystrix-dashboard</artifactId>
<version>1.5.18</version>
</dependency>
    

@EnableHstrixDashboard
@EnableHystrix
@SpringBootApplication

@HystrixCommand(fallbackMethod="sendErrorResponse")
@RequestMapping(Value="/produts" , method=RequestMethod.POST)
Coupon cou = Coupon.getCoupon(product.getDiscount());
product.setPrice(product.getPrice().subtract(coupon.getDiscount));
return repo.save(product);
}


@RequestMapping("/order-fallback")
public Mono<String> orderServiceFallBack(){
return Mono.Just("Payment For so long");
}

public Product sendErrorRespose(Product Product){
return Product;
}

filters:
  -name : circuitbreaker
  -args : 
      name :  Payment-service
      fallback : forward:/payment-fallback
 
 filters:
  -name : circuitbreaker
  -args : 
      name :  Order-service
      fallback : forward:/order-fallback
      
 management:
    endpoints:
      web:
       exposure:
           include:hystrix-stream
           
           
 hystrix:
   command:
     fallback cmd:
        execution:
          isolation:
             thread:
                   timeoutInMilliSeconds: 5000
             
      
  
  

@EnableHstrixDashboard
@EnableHystrix
@SpringBootApplication

server.port = 9195

localhost:8989/actuator/hystrix.stream

localhost:9195/hystrix