/*

  * Copyright (c) 2002-2017, Mairie de Paris

  * All rights reserved.

  *

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions

  * are met:

  *

  *  1. Redistributions of source code must retain the above copyright notice

  *     and the following disclaimer.

  *

  *  2. Redistributions in binary form must reproduce the above copyright notice

  *     and the following disclaimer in the documentation and/or other materials

  *     provided with the distribution.

  *

  *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its

  *     contributors may be used to endorse or promote products derived from

  *     this software without specific prior written permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE

  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

  * POSSIBILITY OF SUCH DAMAGE.

  *

  * License 1.0

  */

 package fr.paris.lutece.plugins.releaser.business;

 import fr.paris.lutece.portal.service.plugin.Plugin;

 import fr.paris.lutece.util.ReferenceList;

 import fr.paris.lutece.util.sql.DAOUtil;

 import java.util.ArrayList;

 import java.util.List;

 /**

  * This class provides Data Access methods for Cluster objects

  */

 public final class ClusterDAO implements IClusterDAO

 {

     // Constants

     private static final String SQL_QUERY_NEW_PK = "SELECT max( id_cluster ) FROM releaser_cluster";

     private static final String SQL_QUERY_SELECT = "SELECT id_cluster, name, description FROM releaser_cluster WHERE id_cluster = ?";

     private static final String SQL_QUERY_INSERT = "INSERT INTO releaser_cluster ( id_cluster, name, description ) VALUES ( ?, ?, ? ) ";

     private static final String SQL_QUERY_DELETE = "DELETE FROM releaser_cluster WHERE id_cluster = ? ";

     private static final String SQL_QUERY_UPDATE = "UPDATE releaser_cluster SET id_cluster = ?, name = ?, description = ? WHERE id_cluster = ?";

     private static final String SQL_QUERY_SELECTALL = "SELECT id_cluster, name, description FROM releaser_cluster";

     private static final String SQL_QUERY_SELECTALL_ID = "SELECT id_cluster FROM releaser_cluster";

     /**

      * Generates a new primary key

      * 

      * @param plugin

      *            The Plugin

      * @return The new primary key

      */

     public int newPrimaryKey( Plugin plugin )

     {

         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_NEW_PK, plugin );

         daoUtil.executeQuery( );

         int nKey = 1;

         if ( daoUtil.next( ) )

         {

             nKey = daoUtil.getInt( 1 ) + 1;

         }

         daoUtil.free( );

         return nKey;

     }

     /**

      * {@inheritDoc }

      */

     @Override

     public void insert( Cluster cluster, Plugin plugin )

     {

         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_INSERT, plugin );

         cluster.setId( newPrimaryKey( plugin ) );

         int nIndex = 1;

         daoUtil.setInt( nIndex++, cluster.getId( ) );

         daoUtil.setString( nIndex++, cluster.getName( ) );

         daoUtil.setString( nIndex++, cluster.getDescription( ) );

         daoUtil.executeUpdate( );

         daoUtil.free( );

     }

     /**

      * {@inheritDoc }

      */

     @Override

     public Cluster load( int nKey, Plugin plugin )

     {

         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_SELECT, plugin );

         daoUtil.setInt( 1, nKey );

         daoUtil.executeQuery( );

         Cluster cluster = null;

         if ( daoUtil.next( ) )

         {

             cluster = new Cluster( );

             int nIndex = 1;

             cluster.setId( daoUtil.getInt( nIndex++ ) );

             cluster.setName( daoUtil.getString( nIndex++ ) );

             cluster.setDescription( daoUtil.getString( nIndex++ ) );

         }

         daoUtil.free( );

         return cluster;

     }

     /**

      * {@inheritDoc }

      */

     @Override

     public void delete( int nKey, Plugin plugin )

     {

         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_DELETE, plugin );

         daoUtil.setInt( 1, nKey );

         daoUtil.executeUpdate( );

         daoUtil.free( );

     }

     /**

      * {@inheritDoc }

      */

     @Override

     public void store( Cluster cluster, Plugin plugin )

     {

         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_UPDATE, plugin );

         int nIndex = 1;

         daoUtil.setInt( nIndex++, cluster.getId( ) );

         daoUtil.setString( nIndex++, cluster.getName( ) );

         daoUtil.setString( nIndex++, cluster.getDescription( ) );

         daoUtil.setInt( nIndex, cluster.getId( ) );

         daoUtil.executeUpdate( );

         daoUtil.free( );

     }

     /**

      * {@inheritDoc }

      */

     @Override

     public List<Cluster> selectClustersList( Plugin plugin )

     {

         List<Cluster> clusterList = new ArrayList<Cluster>( );

         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_SELECTALL, plugin );

         daoUtil.executeQuery( );

         while ( daoUtil.next( ) )

         {

             Cluster cluster = new Cluster( );

             int nIndex = 1;

             cluster.setId( daoUtil.getInt( nIndex++ ) );

             cluster.setName( daoUtil.getString( nIndex++ ) );

             cluster.setDescription( daoUtil.getString( nIndex++ ) );

             clusterList.add( cluster );

         }

         daoUtil.free( );

         return clusterList;

     }

     /**

      * {@inheritDoc }

      */

     @Override

     public List<Integer> selectIdClustersList( Plugin plugin )

     {

         List<Integer> clusterList = new ArrayList<Integer>( );

         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_SELECTALL_ID, plugin );

         daoUtil.executeQuery( );

         while ( daoUtil.next( ) )

         {

             clusterList.add( daoUtil.getInt( 1 ) );

         }

         daoUtil.free( );

         return clusterList;

     }

     /**

      * {@inheritDoc }

      */

     @Override

     public ReferenceList selectClustersReferenceList( Plugin plugin )

     {

         ReferenceList clusterList = new ReferenceList( );

         DAOUtil daoUtil = new DAOUtil( SQL_QUERY_SELECTALL, plugin );

         daoUtil.executeQuery( );

         while ( daoUtil.next( ) )

         {

             clusterList.addItem( daoUtil.getInt( 1 ), daoUtil.getString( 2 ) );

         }

         daoUtil.free( );

         return clusterList;

     }

 }