ADOException.cs

using System;
using System.Runtime.Serialization;

using NHibernate.SqlCommand;

namespace NHibernate
{
	/// <summary>
	/// Wraps exceptions that occur during ADO.NET calls.
	/// </summary>
	/// <remarks>
	/// Exceptions thrown by various ADO.NET providers are not derived from
	/// a common base class (<c>SQLException</c> in Java), so <c>Exception</c>
	/// is used instead in NHibernate.
	/// </remarks>
	[ Serializable ]
	public class ADOException : HibernateException
	{
		private SqlString sql;

		/// <summary>
		/// Initializes a new instance of the <see cref="ADOException"/> class.
		/// </summary>
		/// <param name="message">The message that describes the error. </param>
		/// <param name="innerException">
		/// The exception that is the cause of the current exception. If the innerException parameter 
		/// is not a null reference, the current exception is raised in a catch block that handles 
		/// the inner exception.
		/// </param>
		public ADOException( string message, Exception innerException ) : base( message, innerException )
		{
		}

		public ADOException( string message, Exception innerException, SqlString sql )
			: base( message, innerException )
		{
			this.sql = sql;
		}

		/// <summary>
		/// Initializes a new instance of the <see cref="ADOException"/> class.
		/// </summary>
		/// <param name="info">
		/// The <see cref="SerializationInfo"/> that holds the serialized object 
		/// data about the exception being thrown.
		/// </param>
		/// <param name="context">
		/// The <see cref="StreamingContext"/> that contains contextual information about the source or destination.
		/// </param>
		protected ADOException( SerializationInfo info, StreamingContext context ) : base( info, context )
		{
			this.sql = ( SqlString ) info.GetValue( "sql", typeof( SqlString ) );
		}

		public override void GetObjectData(SerializationInfo info, StreamingContext context)
		{
			base.GetObjectData( info, context );
			info.AddValue( "sql", sql );
		}

		public SqlString SqlString
		{
			get { return sql; }
		}
	}
}