com.liferay.portal.kernel.service.ServiceContextThreadLocal.java Source code

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Here is the source code for com.liferay.portal.kernel.service.ServiceContextThreadLocal.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.kernel.service;

import com.liferay.petra.lang.CentralizedThreadLocal;

import java.util.LinkedList;

/**
 * @author Michael C. Han
 */
public class ServiceContextThreadLocal {

    public static ServiceContext getServiceContext() {
        LinkedList<ServiceContext> serviceContextStack = _serviceContextThreadLocal.get();

        return serviceContextStack.peek();
    }

    public static ServiceContext popServiceContext() {
        LinkedList<ServiceContext> serviceContextStack = _serviceContextThreadLocal.get();

        if (serviceContextStack.isEmpty()) {
            return null;
        }

        return serviceContextStack.pop();
    }

    public static void pushServiceContext(ServiceContext serviceContext) {
        LinkedList<ServiceContext> serviceContextStack = _serviceContextThreadLocal.get();

        serviceContextStack.push(serviceContext);
    }

    private static final ThreadLocal<LinkedList<ServiceContext>> _serviceContextThreadLocal = new CentralizedThreadLocal<>(
            ServiceContextThreadLocal.class + "._serviceContextThreadLocal", LinkedList::new, serviceContexts -> {
                LinkedList<ServiceContext> cloneServiceContexts = new LinkedList<>();

                for (ServiceContext serviceContext : serviceContexts) {
                    ServiceContext cloneServiceContext = (ServiceContext) serviceContext.clone();

                    cloneServiceContexts.add(cloneServiceContext);
                }

                return cloneServiceContexts;
            }, true);

}