/** * Licensed to The Apereo Foundation under one or more contributor license * agreements. See the NOTICE file distributed with this work for additional * information regarding copyright ownership. * * * The Apereo Foundation licenses this file to you under the Educational * Community 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://opensource.org/licenses/ecl2.txt * * 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. * */ package org.opencastproject.index.service.message; import org.opencastproject.util.MultiResourceLock; import com.entwinemedia.fn.Fn; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class MessageReceiverLockService { private static final Logger logger = LoggerFactory.getLogger(MessageReceiverLockService.class); private final MultiResourceLock lock = new MultiResourceLock(); public <K, A> A synchronize(K resource, Fn<K, A> function) { logger.debug("Locked resource '{}'", resource); A result = lock.synchronize(resource, function); logger.debug("Released locked resource '{}'", resource); return result; } }