/// <summary>
/// Initializes a new instance of the <see cref="SelectExpandQueryOption"/> class.
/// </summary>
/// <param name="select">The $select query parameter value.</param>
/// <param name="expand">The $expand query parameter value.</param>
/// <param name="context">The <see cref="ODataQueryContext"/> which contains the <see cref="IEdmModel"/> and some type information.</param>
/// <param name="queryOptionParser">The <see cref="ODataQueryOptionParser"/> which is used to parse the query option.</param>
public SelectExpandQueryOption(string select, string expand, ODataQueryContext context,
ODataQueryOptionParser queryOptionParser)
{
if (context == null)
{
throw Error.ArgumentNull("context");
}
if (String.IsNullOrEmpty(select) && String.IsNullOrEmpty(expand))
{
throw Error.Argument(SRResources.SelectExpandEmptyOrNull);
}
if (queryOptionParser == null)
{
throw Error.ArgumentNull("queryOptionParser");
}
IEdmEntityType entityType = context.ElementType as IEdmEntityType;
if (entityType == null)
{
throw Error.Argument("context", SRResources.SelectNonEntity, context.ElementType.ToTraceString());
}
Context = context;
RawSelect = select;
RawExpand = expand;
Validator = new SelectExpandQueryValidator();
_queryOptionParser = queryOptionParser;
}
// This constructor is intended for unit testing only.
internal SelectExpandQueryOption(string select, string expand, ODataQueryContext context)
{
if (context == null)
{
throw Error.ArgumentNull("context");
}
if (String.IsNullOrEmpty(select) && String.IsNullOrEmpty(expand))
{
throw Error.Argument(SRResources.SelectExpandEmptyOrNull);
}
IEdmEntityType entityType = context.ElementType as IEdmEntityType;
if (entityType == null)
{
throw Error.Argument("context", SRResources.SelectNonEntity, context.ElementType.ToTraceString());
}
Context = context;
RawSelect = select;
RawExpand = expand;
Validator = new SelectExpandQueryValidator();
_queryOptionParser = new ODataQueryOptionParser(
context.Model,
context.ElementType,
context.NavigationSource,
new Dictionary<string, string> { { "$select", select }, { "$expand", expand } });
}