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
17 package net.sf.ehcache.store.disk;
18
19 /***
20 * Filter on Elements or ElementSubstitutes.
21 * <p>
22 * This is used in particular when selecting random samples from the store.
23 *
24 * @author Chris Dennis
25 * @author Ludovic Orban
26 */
27 public interface ElementSubstituteFilter {
28
29 /***
30 * Returns <code>true</code> if this object passes the filter.
31 *
32 * @param object object to test
33 * @return <code>true</code> if passed
34 */
35 public boolean allows(Object object);
36 }