Retry, Circuit-Breaker, Bulkhead Pattern

Pragya Keshap answered on February 3, 2023 Popularity 2/10 Helpfulness 1/10

answer Retry, Circuit-Breaker, Bulkhead Pattern

Retry, Circuit-Breaker, Bulkhead Pattern

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Use this pattern to:

Isolate resources used to consume a set of backend services, especially if the application can provide some level of functionality even when one of the services is not responding.

Isolate critical consumers from standard consumers.

Protect the application from cascading failures.

This pattern may not be suitable when:

Less efficient use of resources may not be acceptable in the project.

The added complexity is not necessary

@Service
public class ProductService {

    private Map<Integer, Product> map;

    @Autowired
    private RatingServiceClient ratingServiceClient;

    @PostConstruct
    private void init(){
        this.map = Map.of(
                1, Product.of(1, "Blood On The Dance Floor", 12.45),
                2, Product.of(2, "The Eminem Show", 12.12)
        );
    }

    public ProductDto getProductDto(int productId){
        ProductRatingDto ratingDto = this.ratingServiceClient.getProductRatingDto(1);
        Product product = this.map.get(productId);
        return ProductDto.of(productId, product.getDescription(), product.getPrice(), ratingDto);
    }
    
    public List<ProductDto> getAllProducts(){
        return this.map.values()
                .stream()
                .map(product -> ProductDto.of(product.getProductId(), product.getDescription(), product.getPrice(), ProductRatingDto.of(0, Collections.emptyList())))
                .collect(Collectors.toList());
    }

}

https://learn.microsoft.com/en-us/azure/architecture/patterns/bulkhead

Popularity 2/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: bulkhead java

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Contributed on Feb 03 2023

Pragya Keshap

0 Answers Avg Quality 2/10

Retry, Circuit-Breaker, Bulkhead Pattern

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