/// <summary>
/// Analyzes the specified <paramref name="lambda"/> for selection and updates
/// <paramref name="resource"/>.
/// </summary>
/// <param name="lambda">Lambda expression to analyze.</param>
/// <param name="resource">Resource expression to update.</param>
/// <param name="context">Context of expression to analyze.</param>
private static void AnalyzeResourceExpression(LambdaExpression lambda, ResourceExpression resource, DataServiceContext context)
{
SelectExpandPathBuilder pb = new SelectExpandPathBuilder();
ProjectionAnalyzer.Analyze(lambda, pb, context);
resource.Projection = new ProjectionQueryOptionExpression(lambda.Body.Type, lambda, pb.ProjectionPaths.ToList());
resource.ExpandPaths = pb.ExpandPaths.Union(resource.ExpandPaths, StringComparer.Ordinal).ToList();
resource.RaiseUriVersion(pb.UriVersion);
}
internal override Expression VisitMemberInit(MemberInitExpression init)
{
if (!ClientTypeUtil.TypeOrElementTypeIsEntity(init.Type))
{
// MemberInit to a complex type is not supported on entity types.
throw new NotSupportedException(Strings.ALinq_ExpressionNotSupportedInProjectionToEntity(this.type, init.ToString()));
}
ProjectionAnalyzer.Analyze(init, this.builder, this.context);
return(init);
}
internal override Expression VisitMemberInit(MemberInitExpression init)
{
ProjectionAnalyzer.Analyze(init, this.builder, this.context);
return(init);
}
internal override Expression VisitLambda(LambdaExpression lambda)
{
ProjectionAnalyzer.Analyze(lambda, this.builder, this.context);
return(lambda);
}