Declarative Caching using Spring, Ehcache and Java 5 Annotations

Submitted by rowell on Mon, 08/04/2008 - 22:41

Java Class

package services.interfaces;

import org.springmodules.cache.annotations.Cacheable;
import services.model.Location;

public interface LocationService {
       
        @Cacheable(modelId="getLocationCacheModel")
        public Location getLocation(String zipcode);
}

ehcache.xml

<ehcache>
        <defaultCache
                maxElementsInMemory="500"
                eternal="true"
                overflowToDisk="false"
                memoryStoreEvictionPolicy="LFU" />
               
        <cache name="getLocationCache"
                maxElementsInMemory="50"
                eternal="true"
                overflowToDisk="false"
                memoryStoreEvictionPolicy="LFU" />
</ehcache>

Spring Configuration File

Add the following namespace definition:
http://www.springmodules.org/schema/ehcache
http://www.springmodules.org/schema/cache/springmodules-ehcache.xsd

<ehcache:config configLocation="classpath:ehcache.xml" />
<ehcache:annotations>
        <ehcache:caching id="getLocationCacheModel"
                cacheName="getLocationCache" />
</ehcache:annotations>