CODEWITHSUNDEEP
javaspringspring-cache
kevin
kevin

Reputation: 570

how to use spring cache with two properties as key

Refer to Spring Cache which can be used to cache the service calls.

Specially the following xml snippet:

<!-- the service we want to make cacheable -->
<bean id="bookService" class="x.y.service.DefaultBookService"/>

<!-- cache definitions -->
<cache:advice id="cacheAdvice" cache-manager="cacheManager">
    <cache:caching cache="books">
        <cache:cacheable method="findBook" key="#isbn"/>
        <cache:cache-evict method="loadBooks" all-entries="true"/>
    </cache:caching>
</cache:advice>

<!-- apply the cacheable behavior to all BookService interfaces -->
<aop:config>
    <aop:advisor advice-ref="cacheAdvice" pointcut="execution(* x.y.BookService.*(..))"/>
</aop:config>

The above mechanism works if the key is a single property. I need to cache based on isbn and author.

Can somebody suggest how can the caching be enabled using two properties?

Thanks

Upvotes: 0

Views: 1098

Answers (1)

joshiste
joshiste

Reputation: 2687

you could easily use key="#author.toString() + #isbn.toString()") or implement your own keyGenerator and configure it or you just omit the key attribute so that all arguments are taken into account.

Upvotes: 1

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