/// <summary> Build a SQLExceptionConverter instance. </summary>
/// <param name="dialect">The defined dialect. </param>
/// <param name="properties">The configuration properties. </param>
/// <returns> An appropriate <see cref="ISQLExceptionConverter"/> instance. </returns>
/// <remarks>
/// First, looks for a <see cref="Cfg.Environment.SqlExceptionConverter"/> property to see
/// if the configuration specified the class of a specific converter to use. If this
/// property is set, attempt to construct an instance of that class. If not set, or
/// if construction fails, the converter specific to the dialect will be used.
/// </remarks>
public static ISQLExceptionConverter BuildSQLExceptionConverter(Dialect.Dialect dialect, IDictionary<string, string> properties)
{
ISQLExceptionConverter converter = null;
string converterClassName;
properties.TryGetValue(Cfg.Environment.SqlExceptionConverter, out converterClassName);
if (!string.IsNullOrEmpty(converterClassName))
{
converter = ConstructConverter(converterClassName, dialect.ViolatedConstraintNameExtracter);
}
if (converter == null)
{
log.Info("Using dialect defined converter");
converter = dialect.BuildSQLExceptionConverter();
}
IConfigurable confConv = converter as IConfigurable;
if (confConv != null)
{
try
{
confConv.Configure(properties);
}
catch (HibernateException e)
{
log.Warn("Unable to configure SQLExceptionConverter", e);
throw;
}
}
return converter;
}
public DatabaseMetadata(DbConnection connection, Dialect.Dialect dialect, bool extras)
{
schemaReader = new InformationSchemaReader(connection);
this.extras = extras;
InitSequences(connection, dialect);
sqlExceptionConverter = dialect.BuildSQLExceptionConverter();
}
