CODEWITHSUNDEEP
javaspringspring-cache
eghe
eghe

Reputation: 167

How to delete an entry in a cache

I am using Spring cache. I would like to delete a single entry within the cache if a particular condition is met in due time.

   @Cacheable(value = "statusEligibility", key = "#customerId")
   @GetMapping
   public CustomerStatusDTO getCustomerStatus(@PathVariable String customerId) {

  Customer customer = cusomterPort.getAccount(customerId);
  Status status = service.getStatus(customer);

  //Logic:
  //If status equals required then forward call to service to assert it. then delete the account from cache
  //else return not_required
  if (status.equals(Cons.REQUIRED)) {
     /.../
  } else {
     /.../
  }

}

How would I be able to delete the customer object from the cache if it fulfils the condition in the if statement?

Upvotes: 0

Views: 2441

Answers (1)

John Blum
John Blum

Reputation: 7991

First, have a look at the @CacheEvict annotation:

https://docs.spring.io/spring/docs/5.1.7.RELEASE/spring-framework-reference/integration.html#cache-annotations-evict)

Then, have a look at "conditional" caching:

https://docs.spring.io/spring/docs/5.1.7.RELEASE/spring-framework-reference/integration.html#cache-annotations-cacheable-condition

@CacheEvict has many of the same attributes as @Cacheable:

https://docs.spring.io/spring/docs/current/javadoc-api/org/springframework/cache/annotation/CacheEvict.html

Hope this helps!

Upvotes: 1

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