Service improvements

Signed-off-by: Rogiel <rogiel@rogiel.com>

src/main/java/com/l2jserver/service/database/DatabaseService.java

@@ -25,5 +25,40 @@ import com.l2jserver.service.Service;
  * @author <a href="http://www.rogiel.com">Rogiel</a>
  */
 public interface DatabaseService extends Service {
+	/**
+	 * Get the database object cached. Will return null if the object is not in
+	 * cache
+	 * 
+	 * @param id
+	 *            the object id
+	 * @return the cached object
+	 */
+	Object getCachedObject(Object id);
 
+	/**
+	 * Tests if the object is cached
+	 * 
+	 * @param id
+	 *            the object id
+	 * @return true if object is in cache
+	 */
+	boolean hasCachedObject(Object id);
+
+	/**
+	 * Adds or update the cache object
+	 * 
+	 * @param key
+	 *            the cache key
+	 * @param value
+	 *            the object
+	 */
+	void updateCache(Object key, Object value);
+
+	/**
+	 * Removes an object from the cache
+	 * 
+	 * @param key
+	 *            the cache key
+	 */
+	void removeCache(Object key);
 }