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Problem: Service-to-Service Communications Chain Queries

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Anjali Sharma answered on February 2, 2023 Popularity 2/10 Helpfulness 1/10

answer Problem: Service-to-Service Communications Chain Queries

Problem: Service-to-Service Communications Chain Queries

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Problems

● HTTP calls to multiple microservices

● Chain Queries

● Visit more than a few microservices

● Increased latency

Solutions

● Aggregate query operations

● Service Aggregator Pattern

@Repository
public interface MobileDao extends CrudRepository<Mobile, Integer>, JpaSpecificationExecutor<Mobile> {

    public List<Mobile> findByMobileBrand(String mobileBrand);

    @Query("select distinct m.mobileBrand from Mobile m")
    public List<String > getAllDistinctBrand();

    public List<Mobile> findByMobileRAMSize(Integer mobileRAMSize);

    @Query("select distinct m.mobileRAMSize from Mobile m")
    public List<Integer> getAllDistinctRam();

    public List<Mobile> findByMobileOS(String mobileOS);


    @Query("select distinct m.mobileOS from Mobile m")
    public List<String > getAllDistinctMobileOS();

https://learn.microsoft.com/en-us/dotnet/architecture/microservices/architect-microservice-container-applications/communication-in-microservice-architecture

Popularity 2/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: chain java

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Contributed on Feb 02 2023

Anjali Sharma

0 Answers Avg Quality 2/10

Problem: Service-to-Service Communications Chain Queries

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