package org.apache.maven.archiva.database;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *  http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 import java.io.Serializable;

 import java.util.List;

 /**

  * ArchivaDAO - The interface for all content within the database.

  *

  * @version $Id: ArchivaDAO.java 1043850 2010-12-09 07:58:00Z brett $

  */

 public interface ArchivaDAO

 {

     public static final String ROLE = ArchivaDAO.class.getName();

     /**

      * Perform a simple query against the database.

      * 

      * @param constraint the constraint to use.

      * @return the List of results.

      */

     List<?> query( SimpleConstraint constraint );

     /**

      * Perform a simple save of a peristable object to the database.

      * 

      * @param o the serializable (persistable) object to save.

      * @return the post-serialized object.

      */

     Object save( Serializable obj );

     ArtifactDAO getArtifactDAO();

     ProjectModelDAO getProjectModelDAO();

     RepositoryProblemDAO getRepositoryProblemDAO();

     RepositoryContentStatisticsDAO getRepositoryContentStatisticsDAO();

     long count( SimpleConstraint constraint );

 }