private TestQueryable <TElement> CreateSingletonQuery <TElement>(string singletonName)
{
SingletonResourceExpression exp = new SingletonResourceExpression(typeof(IOrderedQueryable <TElement>), null, Expression.Constant(singletonName), typeof(TElement), null, CountOption.None, null, null, null, null);
DataServiceQueryProvider provider = new DataServiceQueryProvider(context);
return(new TestQueryable <TElement>(exp, provider));
}
/// <summary>
/// Creates a navigation resource expression
/// </summary>
/// <param name="expressionType">The expression type.</param>
/// <param name="type">the return type of the expression</param>
/// <param name="source">the source expression</param>
/// <param name="memberExpression">property member name</param>
/// <param name="resourceType">the element type of the resource</param>
/// <param name="expandPaths">expand paths for resource set</param>
/// <param name="countOption">count query option for the resource</param>
/// <param name="customQueryOptions">custom query options for resource</param>
/// <param name="projection">the projection expression</param>
/// <param name="resourceTypeAs">TypeAs type</param>
/// <param name="uriVersion">version of the Uri from the expand and projection paths</param>
/// <param name="operationName">The operation name.</param>
/// <param name="operationParameters">The operation parameter names and parameters pair for Resource</param>
/// <returns>The navigation resource expression.</returns>
internal static QueryableResourceExpression CreateNavigationResourceExpression(ExpressionType expressionType, Type type, Expression source, Expression memberExpression, Type resourceType, List <string> expandPaths, CountOption countOption, Dictionary <ConstantExpression, ConstantExpression> customQueryOptions, ProjectionQueryOptionExpression projection, Type resourceTypeAs, Version uriVersion, string operationName, Dictionary <string, string> operationParameters)
{
Debug.Assert(
expressionType == (ExpressionType)ResourceExpressionType.RootResourceSet || expressionType == (ExpressionType)ResourceExpressionType.ResourceNavigationProperty || expressionType == (ExpressionType)ResourceExpressionType.RootSingleResource,
"Expression type is not one of following: RootResourceSet, ResourceNavigationProperty, RootSingleResource.");
QueryableResourceExpression expression = null;
if (expressionType == (ExpressionType)ResourceExpressionType.RootResourceSet || expressionType == (ExpressionType)ResourceExpressionType.ResourceNavigationProperty)
{
expression = new ResourceSetExpression(type, source, memberExpression, resourceType, expandPaths, countOption, customQueryOptions, projection, resourceTypeAs, uriVersion);
}
if (expressionType == (ExpressionType)ResourceExpressionType.RootSingleResource)
{
expression = new SingletonResourceExpression(type, source, memberExpression, resourceType, expandPaths, countOption, customQueryOptions, projection, resourceTypeAs, uriVersion);
}
if (expression != null)
{
expression.OperationName = operationName;
expression.OperationParameters = operationParameters;
return(expression);
}
return(null);
}
