Real World Java EE Patterns--Rethinking Best Practices by Adam Bien

Author:Adam Bien [Bien, Adam]
Language: eng
Format: epub
Tags: COM051280
Publisher: http://press.adam-bien.com
Published: 2012-10-30T18:30:00+00:00

@Produces @Shared

public Cache shared(){

return cache;

}

}

The Cache is a plain Java interface:

public interface Cache {

void cache(String key,Object value);

Object fetch(String key);

}

The single implementation of this interface relies on the internal Map implementation:

public class InMemoryCache implements Cache{

private ConcurrentMap<String,Object> cache;

@PostConstruct

public void init(){

this.cache = new ConcurrentHashMap<>();

}

@Override

public void cache(String key,Object value){

this.cache.put(key, value);

}

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