internal ODataSelectColumnExpression(ODataMemberAccessExpression expression, bool allColumns)
// TODO FUTURE we have to pass typeof(object) here for select *. We could fix this with a "ParameterExpression" type
: base(ODataExpressionKind.SelectColumn, expression != null ? expression.Type : ODataExpressionType.Complex, expression != null ? expression.ClrType : typeof(object))
{
this.Expression = expression;
this.AllColumns = allColumns;
}
internal static ODataMemberAccessExpression MemberAccess(ODataMemberAccessExpression expression, PropertyInfo member)
{
Throw.IfNull(member, "member");
var finalExpression = expression != null && expression.Type == ODataExpressionType.Unknown
? ConvertFromUnknownType(expression, typeof(ODataEntity))
: expression;
return(new ODataMemberAccessExpression(finalExpression, member));
}
internal static ODataSelectColumnExpression SelectColumn(ODataMemberAccessExpression memberAccess, bool allColumns)
{
Throw.If(
allColumns && memberAccess != null && memberAccess.Type != ODataExpressionType.Complex && memberAccess.Type != ODataExpressionType.Unknown,
"'*' can only be selected for non-primitive types!"
);
Throw.If(memberAccess == null && !allColumns, "If no property path is specified, then '*' must be selected!");
var finalMemberAccess = allColumns && memberAccess != null && memberAccess.Type == ODataExpressionType.Unknown
? ConvertFromUnknownType(memberAccess, typeof(object))
: memberAccess;
return(new ODataSelectColumnExpression(finalMemberAccess, allColumns: allColumns));
}
internal ODataMemberAccessExpression(ODataMemberAccessExpression expression, PropertyInfo member)
: base(ODataExpressionKind.MemberAccess, member.PropertyType.ToODataExpressionType(), member.PropertyType)
{
this.Expression = expression;
this.Member = member;
}
protected virtual void VisitMemberAccess(ODataMemberAccessExpression node)
{
this.Visit(node.Expression);
}
protected override void VisitMemberAccess(ODataMemberAccessExpression node)
{
var path = Traverse.Along(node, e => e.Expression)
.Reverse()
.Select(e => e.Member)
.ToArray();
this._paths.Add(path);
}
// TODO FUTURE we have to pass typeof(object) here for select *. We could fix this with a "ParameterExpression" type
internal ODataSelectColumnExpression(ODataMemberAccessExpression expression, bool allColumns)
: base(ODataExpressionKind.SelectColumn, expression != null ? expression.Type : ODataExpressionType.Complex, expression != null ? expression.ClrType : typeof(object))
{
this.Expression = expression;
this.AllColumns = allColumns;
}
internal ODataMemberAccessExpression(ODataMemberAccessExpression expression, PropertyInfo member)
: base(ODataExpressionKind.MemberAccess, member.PropertyType.ToODataExpressionType(), member.PropertyType)
{
this.Expression = expression;
this.Member = member;
}
protected virtual void VisitMemberAccess(ODataMemberAccessExpression node)
{
this.Visit(node.Expression);
}
internal static ODataSelectColumnExpression SelectColumn(ODataMemberAccessExpression memberAccess, bool allColumns)
{
Throw.If(allColumns && memberAccess != null && memberAccess.Type != ODataExpressionType.Complex, "'*' can only be selected for non-primitive types!");
Throw.If(memberAccess == null && !allColumns, "If no property path is specified, then '*' must be selected!");
return new ODataSelectColumnExpression(memberAccess, allColumns: allColumns);
}
internal static ODataMemberAccessExpression MemberAccess(ODataMemberAccessExpression expression, PropertyInfo member)
{
Throw.IfNull(member, "member");
return new ODataMemberAccessExpression(expression, member);
}
