sorry, meant to post this in the app engine group.
On Jun 9, 2:32 am, nellyville <[email protected]> wrote:
> package com.DatingSocial.server;
> import java.util.Collections;
> import javax.cache.Cache;
> import javax.cache.CacheException;
> import javax.cache.CacheManager;
> import com.google.appengine.api.datastore.Blob;
>
> public class MemCache<K, V>
> {
> private Cache cache = null;
> private MemCache() throws CacheException
> {
> cache =
> CacheManager.getInstance().getCacheFactory().createCache
> (Collections.EMPTY_MAP);
> }
> public static <K, V> MemCache<K, V> getInstance() throws
> CacheException
> {
> return new MemCache<K, V>();
> }
> public void put(K key, V value)
> {
> cache.put(key, value);
> }
> @SuppressWarnings("unchecked")
> public V get(K key)
> {
> return (V)cache.get(key);
> }
> @SuppressWarnings("unchecked")
> public void cachePicture(Long userId, Integer pictureNumber, Blob
> pictureBytes)
> {
> if(pictureBytes != null)
> {
> cache.put((V)userId.toString() + "-picture-" +
> pictureNumber.toString(), pictureBytes.getBytes());
> }
> }
> @SuppressWarnings("unchecked")
> public V readCachedPicture(Long userId, Integer pictureNumber)
> {
> String key = userId.toString() + "-picture-" +
> pictureNumber.toString
> ();
> return this.get((K)key);
> }
>
>
>
> }
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