1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.shardingsphere.infra.lock;
19
20 /**
21 * Lock context.
22 *
23 * @param <T> type of lock definition
24 */
25 public interface LockContext<T extends LockDefinition> {
26
27 /**
28 * Try Lock.
29 *
30 * @param lockDefinition lock definition
31 * @param timeoutMillis timeout milliseconds
32 * @return is locked or not
33 */
34 boolean tryLock(T lockDefinition, long timeoutMillis);
35
36 /**
37 * Unlock.
38 *
39 * @param lockDefinition lock definition
40 */
41 void unlock(T lockDefinition);
42 }