/*
 * MIT License
 *
 * Copyright (c) 2020-present Cloudogu GmbH and Contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
    
package sonia.scm.repository;

//~--- non-JDK imports --------------------------------------------------------

import sonia.scm.GenericDAO;

/**
 * Data access object for repositories. This class should only used by the
 * {@link RepositoryManager}. Plugins and other classes should use the
 * {@link RepositoryManager} instead.
 *
 * @author Sebastian Sdorra
 * @since 1.14
 */
public interface RepositoryDAO extends GenericDAO<Repository>
{

  /**
   * Returns true if a repository with specified
   * namespace and name exists in the backend.
   *
   *
   * @param namespaceAndName namespace and name of the repository
   *
   * @return true if the repository exists
   */
  boolean contains(NamespaceAndName namespaceAndName);

  //~--- get methods ----------------------------------------------------------

  /**
   * Returns the repository with the specified namespace and name or null
   * if no such repository exists in the backend.
   *
   * @return repository with the specified namespace and name or null
   */
  Repository get(NamespaceAndName namespaceAndName);
}
