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OpenCms is an enterprise-ready, easy to use website content management system based on Java and XML technology. Offering a complete set of features, OpenCms helps content managers worldwide to create and maintain beautiful websites fast and efficiently.

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/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
 *
 * 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.
 *
 * For further information about Alkacon Software GmbH & Co. KG, please see the
 * company website: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://www.opencms.org
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.opencms.db;

import org.opencms.file.CmsGroup;
import org.opencms.file.CmsResource;
import org.opencms.file.CmsUser;
import org.opencms.security.CmsPermissionSet;

/**
 * Describes the cache key generating methods.
 *
 * @since 6.0.0
 */
public interface I_CmsCacheKey {

    /**
     * Returns the cache key for the group users cache.

     *
     * @param prefix to distinguish keys additionally
     * @param context the context
     * @param group the group
     *
     * @return a cache key that is unique for the set of parameters
     */
    String getCacheKeyForGroupUsers(String prefix, CmsDbContext context, CmsGroup group);

    /**
     * Returns the cache key for the user groups cache.

     *
     * @param prefix to distinguish keys additionally
     * @param context the context
     * @param user the user
     *
     * @return a cache key that is unique for the set of parameters
     */
    String getCacheKeyForUserGroups(String prefix, CmsDbContext context, CmsUser user);

    /**
     * Returns the cache key for the permission cache.
     *
     * @param prefix to distinguish keys additionally
     * @param context the context
     * @param resource the resource
     * @param requiredPermissions the permissions to check
     *
     * @return a cache key that is unique for the set of parameters
     */
    String getCacheKeyForUserPermissions(
        String prefix,
        CmsDbContext context,
        CmsResource resource,
        CmsPermissionSet requiredPermissions);
}