internal FunctionDefinition(string name, DbLambda lambda, int startPosition, int endPosition)
{
Debug.Assert(name != null, "name can not be null");
Debug.Assert(lambda != null, "lambda cannot be null");
this._name = name;
this._lambda = lambda;
this._startPosition = startPosition;
this._endPosition = endPosition;
}
/// <summary>
/// Convenience method indicating that the body of a Lambda <see cref="DbFunctionExpression"/> is now about to be visited.
/// </summary>
/// <param name="lambda">The DbLambda that is about to be visited</param>
/// <exception cref="ArgumentNullException"><paramref name="lambda"/> is null</exception>
protected virtual void VisitLambdaPre(DbLambda lambda)
{
EntityUtil.CheckArgumentNull(lambda, "lambda");
}
/// <summary>
/// Convenience method for post-processing after a DbLambda has been visited.
/// </summary>
/// <param name="lambda">The previously visited DbLambda.</param>
protected virtual void VisitLambdaPost(DbLambda lambda)
{
}
/// <summary>
/// Dumps the specified DbLambda instance
/// </summary>
/// <param name="lambda">The DbLambda to dump.</param>
internal void Dump(DbLambda lambda)
{
Begin("DbLambda");
Dump(System.Linq.Enumerable.Cast<DbExpression>(lambda.Variables), "Variables", "Variable");
Dump(lambda.Body, "Body");
End("DbLambda");
}
/// <summary>
/// Convenience method indicating that the body of a Lambda <see cref="DbFunctionExpression"/> is now about to be visited.
/// </summary>
/// <param name="lambda">The DbLambda that is about to be visited</param>
/// <exception cref="ArgumentNullException"><paramref name="lambda"/> is null</exception>
protected virtual void VisitLambdaPre(DbLambda lambda)
{
//Contract.Requires(lambda != null);
}
