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Caching with HazelCast


Spring Caching with HazelCast

HazelCast is a popular distributed caching solution, it provides Spring integration and also provides a CacheManager implementation.

Get HazelCast

HazelCast provides commercial and open source version, download an open source copy from the community HazelCast website.
Unzip it into your local system. And run it.

Enable Caching

Add @EnableCaching(mode=AdviceMode.ASPECTJ) annotation on the configuration class if you are using Java based configuration.
@Configuration
...
@EnableCaching(mode=AdviceMode.ASPECTJ)
public class JpaConfig {...}
Then, specify a CacheManager provider in your configuration.
@Override
@Bean
public CacheManager cacheManager() {
 return new HazelcastCacheManager(hazelcastInstance());
}

@Bean
public HazelcastInstance hazelcastInstance() {
 ClientNetworkConfig networkConfig = new ClientNetworkConfig()
   .addAddress("localhost");
 ClientConfig clientConfig = new ClientConfig();
 clientConfig.setNetworkConfig(networkConfig);
 return HazelcastClient.newHazelcastClient(clientConfig);
}

@Override
@Bean
public KeyGenerator keyGenerator() {
 return new SimpleKeyGenerator();
}
Do not forget to add the hazelcast dependency in your Maven pom.xml file.
<dependency>
    <groupId>com.hazelcast</groupId>
    <artifactId>hazelcast</artifactId>
</dependency>

Code sample

Check out the sample codes.
And explore the spring-cache-hazelcast folder.
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