CacheLoaderUtil.java

import com.google.common.cache.CacheLoader;

public final class CacheLoaderUtil
{
    private CacheLoaderUtil() {}

    public static <K, V> CacheLoader<K, V> cacheLoader(LoaderFunction<K, V> loader)
    {
        return new CacheLoader<K, V>()
        {
            @Override
            public V load(K key)
                    throws Exception
            {
                return loader.load(key);
            }
        };
    }

    public interface LoaderFunction<K, V>
    {
        V load(K key)
                throws Exception;
    }
}