1 /*
2 * Copyright 2012-2021 CodeLibs Project and the Others.
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,
13 * either express or implied. See the License for the specific language
14 * governing permissions and limitations under the License.
15 */
16 package org.codelibs.fess.helper;
17
18 import org.codelibs.core.concurrent.CommonPoolUtil;
19 import org.codelibs.core.lang.ThreadUtil;
20
21 public abstract class AbstractConfigHelper {
22
23 protected long reloadInterval = 1000L;
24
25 public void update() {
26 CommonPoolUtil.execute(() -> load());
27 }
28
29 protected void waitForNext() {
30 if (reloadInterval > 0) {
31 ThreadUtil.sleep(reloadInterval);
32 }
33 }
34
35 public abstract int load();
36
37 public void setReloadInterval(final long reloadInterval) {
38 this.reloadInterval = reloadInterval;
39 }
40 }