Caching java method

Question

I want to cache heavy method result, but I for some reason it would not store in cache.

I had tried to use spring cache but it only worked when caching whole api where I only need to cache part of it.

@ResponseBody
public Person validateTest(@Param("name") String name) {
    return cache(name);
}

@Cacheable(value = "getName", key = "#name")
public Person cache(String name) {
    Person person = generateString(name);
    return person;
}


public Person generateString(String name) {
    System.out.println("generating");
    Person person = new Person();
    person.setName(name);
    return person;
}



@Data
class Person implements Serializable { 
   private String name;
}

StackTrace of requests

@EnableCaching is enabled

Can you explain how the above solution did not work? do you have errors or just the method is still being executed every time instead of hitting cache? — Ahmed Abdelhady, May 24 '19 at 09:54
have you enabled caching by `@EnableCaching` to one of your configuration classes? — Ahmed Abdelhady, May 24 '19 at 10:25

score 0 · Answer 1 · answered May 24 '19 at 10:58

You're calling the cached method directly here, this doesn't work (the documentation is hardly clear about it). Refactor your code so the @Cacheable method is in a different bean, then inject that bean (which will actually be wrapped in a proxy so it can do the caching), then call it.

Caching java method

1 Answers1