diff options
Diffstat (limited to 'resource-assignment/provider/src/main/java/org/openecomp/sdnc/lock/comp/SynchronizedFunction.java')
-rw-r--r-- | resource-assignment/provider/src/main/java/org/openecomp/sdnc/lock/comp/SynchronizedFunction.java | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/resource-assignment/provider/src/main/java/org/openecomp/sdnc/lock/comp/SynchronizedFunction.java b/resource-assignment/provider/src/main/java/org/openecomp/sdnc/lock/comp/SynchronizedFunction.java new file mode 100644 index 000000000..a76fca11c --- /dev/null +++ b/resource-assignment/provider/src/main/java/org/openecomp/sdnc/lock/comp/SynchronizedFunction.java @@ -0,0 +1,56 @@ +/*- + * ============LICENSE_START======================================================= + * openECOMP : SDN-C + * ================================================================================ + * Copyright (C) 2017 ONAP 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.openecomp.sdnc.lock.comp; + +import java.util.Collection; +import java.util.HashSet; +import java.util.Set; + +public abstract class SynchronizedFunction { + + private Set<String> synchset; + private String lockRequester; + private int lockTimeout; // Seconds + private LockHelper lockHelper; + + protected SynchronizedFunction(LockHelper lockHelper, Collection<String> synchset, int lockTimeout) { + this.lockHelper = lockHelper; + this.synchset = new HashSet<String>(synchset); + this.lockRequester = generateLockRequester(); + this.lockTimeout = lockTimeout; + } + + protected abstract void _exec(); + + public void exec() { + lockHelper.lock(synchset, lockRequester, lockTimeout); + try { + _exec(); + } finally { + lockHelper.unlock(synchset, true); + } + } + + private static String generateLockRequester() { + return "SynchronizedFunction-" + (int) (Math.random() * 1000000); + } +} |