com.liferay.portal.kernel.backgroundtask.BackgroundTaskThreadLocal.java Source code

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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.backgroundtask;

import com.liferay.petra.lang.CentralizedThreadLocal;
import com.liferay.petra.lang.SafeClosable;

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

    public static long getBackgroundTaskId() {
        return _backgroundTaskId.get();
    }

    public static boolean hasBackgroundTask() {
        long backgroundTaskId = getBackgroundTaskId();

        if (backgroundTaskId > 0) {
            return true;
        }

        return false;
    }

    /**
     * @deprecated As of Athanasius (7.3.x), replaced by {@link
     *             #setBackgroundTaskIdWithSafeClosable(long)}
     */
    @Deprecated
    public static void setBackgroundTaskId(long backgroundTaskId) {
        if (backgroundTaskId > 0) {
            _backgroundTaskId.set(backgroundTaskId);
        }
    }

    public static SafeClosable setBackgroundTaskIdWithSafeClosable(long backgroundTaskId) {

        if (backgroundTaskId > 0) {
            return _backgroundTaskId.setWithSafeClosable(backgroundTaskId);
        }

        return () -> {
        };
    }

    private static final CentralizedThreadLocal<Long> _backgroundTaskId = new CentralizedThreadLocal<>(
            BackgroundTaskThreadLocal.class + "._backgroundTaskId", () -> 0L);

}