#region License
/*
* Copyright 2002-2005 the original author or authors.
*
* Licensed 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.
*/
#endregion
#region Imports
using System;
using Common.Logging;
using Spring.Objects.Factory;
#endregion
namespace Spring.Dao.Support{
/// <summary>
/// Generic base class for DAOs, defining template methods for DAO initialization.
/// </summary>
/// <remarks>
/// Extended by Spring's specific DAO support classes, such as:
/// AdoDaoSupport, HibernateDaoSupport, etc.
/// </remarks>
/// <author>Mark Pollack (.NET)</author>
public abstract class DaoSupport : IInitializingObject
{
#region Fields
#endregion
#region Constants
/// <summary>
/// The shared <see cref="Common.Logging.ILog"/> instance for this class (and derived classes).
/// </summary>
protected static readonly ILog log =
LogManager.GetLogger(typeof (DaoSupport));
#endregion
#region Constructor (s)
/// <summary>
/// Initializes a new instance of the <see cref="DaoSupport"/> class.
/// </summary>
public DaoSupport()
{
}
#endregion
#region Properties
#endregion
#region Methods
/// <summary>
/// Abstract subclasses must override this to check their configuration.
/// </summary>
/// <remarks>
/// <p>Implementors should be marked as <code>sealed</code>, to make it clear that
/// concrete subclasses are not supposed to override this template method themselves.
/// </p>
/// </remarks>
protected abstract void CheckDaoConfig();
/// <summary>
/// Concrete subclasses can override this for custom initialization behavior.
/// </summary>
/// <remarks>
/// Gets called after population of this instance's object properties.
/// Exception thrown if InitDao fails will be rethrown as
/// a ObjectInitializationException.
/// </remarks>
protected virtual void InitDao()
{
}
#endregion
public void AfterPropertiesSet()
{
// Let abstract subclasses check their configuration.
CheckDaoConfig();
// Let concrete implementations initialize themselves.
try
{
InitDao();
}
catch (Exception ex)
{
throw new ObjectInitializationException("Initialization of DAO failed: " + ex.Message, ex);
}
}
}
}
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