ADOException.cs

using System;
using System.Runtime.Serialization;
using System.Security;
using System.Security.Permissions;

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 <see cref="Exception" />
	/// is used instead in NHibernate.
	/// </remarks>
	[Serializable]
	public class ADOException : HibernateException
	{
		private readonly string sql;

		public ADOException()
		{
		}
		/// <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, string sql)
			: base(message + "[SQL: " + sql + "]", 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 = (string) info.GetValue("sql", typeof(string));
		}

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

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