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Liferay Batch Engine Service

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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.batch.engine.internal;

import com.liferay.petra.function.UnsafeRunnable;
import com.liferay.portal.kernel.model.User;
import com.liferay.portal.kernel.security.auth.PrincipalThreadLocal;
import com.liferay.portal.kernel.security.permission.PermissionChecker;
import com.liferay.portal.kernel.security.permission.PermissionCheckerFactoryUtil;
import com.liferay.portal.kernel.security.permission.PermissionThreadLocal;

/**
 * @author Ivica Cardic
 */
public class BatchEngineTaskExecutorUtil {

	public static void execute(
			UnsafeRunnable unsafeRunnable, User user)
		throws Throwable {

		PermissionChecker permissionChecker =
			PermissionThreadLocal.getPermissionChecker();

		PermissionThreadLocal.setPermissionChecker(
			PermissionCheckerFactoryUtil.create(user));

		String name = PrincipalThreadLocal.getName();

		PrincipalThreadLocal.setName(user.getUserId());

		try {
			unsafeRunnable.run();
		}
		finally {
			PermissionThreadLocal.setPermissionChecker(permissionChecker);
			PrincipalThreadLocal.setName(name);
		}
	}

}