1 /***
2 * Copyright 2003-2010 Terracotta, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package net.sf.ehcache.store;
17
18 import net.sf.ehcache.Element;
19
20 /***
21 * This is the interface for all tierable stores.
22 *
23 * @author Ludovic Orban
24 */
25 public interface TierableStore extends Store {
26
27 /***
28 * Add this element to the cache if the key is already present or the add
29 * can succeed without resorting to eviction.
30 *
31 * @param e element to be added
32 */
33 void fill(Element e);
34 }