2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights
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.openecomp.sdnc.lock.comp;
24 import java.util.Collection;
25 import java.util.HashSet;
28 public abstract class SynchronizedFunction {
30 private Set<String> synchset;
31 private String lockRequester;
32 private int lockTimeout; // Seconds
33 private LockHelper lockHelper;
35 protected SynchronizedFunction(LockHelper lockHelper, Collection<String> synchset, int lockTimeout) {
36 this.lockHelper = lockHelper;
37 this.synchset = new HashSet<String>(synchset);
38 this.lockRequester = generateLockRequester();
39 this.lockTimeout = lockTimeout;
42 protected abstract void _exec();
45 lockHelper.lock(synchset, lockRequester, lockTimeout);
49 lockHelper.unlock(synchset, true);
53 private static String generateLockRequester() {
54 return "SynchronizedFunction-" + (int) (Math.random() * 1000000);