public IndexDesigner <TIndex, TEntity> With <TMember>(Expression <Func <TIndex, TMember> > namer, Expression <Func <TEntity, TMember> > projector, params Option[] options)
{
var name = ColumnNameBuilder.GetColumnNameByConventionFor(namer);
designer.With(name, projector, options);
return(this);
}
protected virtual void VisitColumnMethodCall(MethodCallExpression expression)
{
switch (expression.Method.Name)
{
case "Column":
{
var column = ast.Pop() as SqlColumnExpression; // remove the current column expression
if (column == null || column.ColumnName != "")
{
throw new NotSupportedException(
string.Format("{0} method must be called on the lambda parameter.", expression));
}
var constant = (SqlConstantExpression)ast.Pop();
var columnType = expression.Method.GetGenericArguments()[0];
var columnName = (string)constant.Value;
ast.Push(new SqlColumnExpression(columnType, columnName));
break;
}
case "Index":
{
var column = ast.Pop() as SqlColumnExpression; // remove the current column expression
if (column == null || column.ColumnName != "")
{
throw new NotSupportedException(
string.Format("{0} method must be called on the lambda parameter.", expression));
}
var type = expression.Method.GetGenericArguments()[0];
ast.Push(new SqlColumnPrefixExpression(type.Name));
break;
}
default:
ast.Pop();
var name = ColumnNameBuilder.GetColumnNameByConventionFor(expression);
ast.Push(new SqlColumnExpression(expression.Method.ReturnType, name));
break;
}
}
protected override Expression VisitMember(MemberExpression expression)
{
if (expression.Expression == null)
{
ast.Push(new SqlConstantExpression(expression.Member.GetMemberType(), expression.Member.GetValue(null)));
return(expression);
}
Visit(expression.Expression);
switch (ast.Peek().NodeType)
{
case SqlNodeType.Constant:
var constant = (SqlConstantExpression)ast.Pop();
if (constant.Value == null)
{
throw new NullReferenceException();
}
ast.Push(new SqlConstantExpression(expression.Member.GetMemberType(), expression.Member.GetValue(constant.Value)));
break;
case SqlNodeType.ColumnPrefix:
//TODO: clean up this mess.
var prefix = (SqlColumnPrefixExpression)ast.Pop();
ast.Push(new SqlColumnExpression(expression.Member.GetMemberType(), expression.Member.Name));
break;
case SqlNodeType.Column:
ast.Pop();
var name = ColumnNameBuilder.GetColumnNameByConventionFor(expression);
ast.Push(new SqlColumnExpression(expression.Member.GetMemberType(), name));
break;
default:
throw new ArgumentOutOfRangeException();
}
return(expression);
}
public DocumentDesigner <TEntity> With <TMember>(Expression <Func <TEntity, TMember> > projector, params Option[] options)
{
return(With(ColumnNameBuilder.GetColumnNameByConventionFor(projector), projector, options));
}
