blob: cc9da0a90f89fc0a11f9cc98ef8f70411d239245 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/*-
* ============LICENSE_START=======================================================
* policy-core
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.capabilities;
/**
* Interface for classes that supports lock/unlock operations.
*/
public interface Lockable {
/**
* Locks this entity.
*
* @return true is the lock operation was successful, false otherwise
*/
public boolean lock();
/**
* Unlocks this entity.
*
* @return true is the unlock operation was successful, false otherwise
*/
public boolean unlock();
/**
* Checks if this entity is locked.
*
* @return true if the entity is in a locked state, false otherwise
*/
public boolean isLocked();
}
|