/// <summary>
/// Applies the minimal transformations required before parametrization,
/// expression key computing and parsing.
/// </summary>
/// <param name="expression">The expression to transform.</param>
/// <param name="sessionFactory">The session factory.</param>
/// <returns>The transformed expression.</returns>
public static Expression PreTransform(Expression expression, ISessionFactoryImplementor sessionFactory)
{
var partiallyEvaluatedExpression =
NhPartialEvaluatingExpressionVisitor.EvaluateIndependentSubtrees(expression, sessionFactory);
return(PreProcessor.Process(partiallyEvaluatedExpression));
}
/// <summary>
/// Applies the minimal transformations required before parametrization,
/// expression key computing and parsing.
/// </summary>
/// <param name="expression">The expression to transform.</param>
/// <param name="parameters">The parameters used in the transformation process.</param>
/// <returns><see cref="PreTransformationResult"/> that contains the transformed expression.</returns>
public static PreTransformationResult PreTransform(Expression expression, PreTransformationParameters parameters)
{
parameters.EvaluatableExpressionFilter = new NhEvaluatableExpressionFilter(parameters.SessionFactory);
parameters.QueryVariables = new Dictionary <ConstantExpression, QueryVariable>();
var partiallyEvaluatedExpression = NhPartialEvaluatingExpressionVisitor
.EvaluateIndependentSubtrees(expression, parameters);
return(new PreTransformationResult(
PreProcessor.Process(partiallyEvaluatedExpression),
parameters.SessionFactory,
parameters.QueryVariables));
}
