2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2019-2021 AT&T Intellectual Property. All rights reserved.
6 * Modifications Copyright (C) 2024 Nordix Foundation.
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.drools.core.lock;
24 import java.io.Serial;
25 import lombok.NoArgsConstructor;
28 * Lock implementation whose operations always fail.
31 public class AlwaysFailLock extends LockImpl {
33 private static final long serialVersionUID = 1L;
36 * Constructs the object.
38 * @param resourceId identifier of the resource to be locked
39 * @param ownerKey information identifying the owner requesting the lock
40 * @param holdSec amount of time, in seconds, for which the lock should be held once
41 * it has been granted, after which it will automatically be released
42 * @param callback callback to be invoked once the lock is granted, or subsequently
43 * lost; must not be {@code null}
45 public AlwaysFailLock(String resourceId, String ownerKey, int holdSec, LockCallback callback) {
46 super(LockState.UNAVAILABLE, resourceId, ownerKey, holdSec, callback);
50 * Always returns false.
53 public synchronized boolean free() {
58 * Always fails and invokes {@link LockCallback#lockUnavailable(Lock)}.
61 public void extend(int holdSec, LockCallback callback) {
64 setCallback(callback);