SelectionCriteria.cs :  » Persistence-Frameworks » Persist.NET » Persist » Criteria » C# / CSharp Open Source

// Persist library : Persistence layer
// Copyright (C) 2003 Vincent Daron
// 
// 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.
// 
// 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

using System;
using System.Collections;

using Persist.Sql;
using Persist.Maps;

namespace Persist.Criteria{
   /// <summary>
   /// This class is the base class for all criteria elements.
   /// </summary>
   public abstract class SelectionCriteria : ICriteriaPart
   {
      private AttributeMap attributeMap = null;
      private ClassMap classMap = null;

      /// <summary>
      /// Complete the SQL Statement with this Criteria
      /// </summary>
      /// <param name="statement">the SqlStatement to complete</param>
      /// <param name="parameters">the Available Parameters Queue</param>
      public abstract void FillSqlStatement(SqlStatement statement, Queue parameters);

      /// <summary>
      /// Create a SelectionCriteria
      /// </summary>
      /// <param name="classMap">the ClassMap of this statement</param>
      /// <param name="attributeMap">theAttributeMap of this Criteria</param>
      internal SelectionCriteria(ClassMap classMap, AttributeMap attributeMap)
      {
         this.attributeMap = attributeMap;
         this.classMap = classMap;
      }

      /// <summary>
      /// Return the AttributeMap of this SelectionCriteria
      /// </summary>
      internal AttributeMap AttributeMap
      {
         get
         {
            return attributeMap;
         }
      }

      /// <summary>
      /// Return the ClassMap of this SelectionCriteria
      /// </summary>
      internal ClassMap ClassMap
      {
         get
         {
            return classMap;
         }
      }
   }
}