Spring Boot - Advanced Patterns
Which interface must a class implement to create a Specification in Spring Boot?
Which interface must a class implement to create a Specification in Spring Boot?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the interface for Specification
Spring Data JPA defines the Specification interface as Specificationfor dynamic queries. Step 2: Eliminate unrelated interfaces
JpaRepository and CrudRepository are repository interfaces, not for Specifications. EntityManager is for managing entities, not Specifications.Final Answer:
Specification<T> -> Option CQuick Check:
Specification interface = Specification<T> [OK]
Quick Trick: Implement Specification to create dynamic query filters [OK]
Common Mistakes:
- Confusing repository interfaces with Specification
- Using EntityManager instead of Specification interface
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