/// <summary>
/// Builds the root entity.
/// </summary>
/// <param name="node">The root node.</param>
/// <param name="context">The context.</param>
/// <returns>Entity.</returns>
/// <exception cref="System.Exception">Unknown report node type.</exception>
internal static Entity BuildReportNode(ReportNode node, FromEntityContext context)
{
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
Entity structuredQueryEntity;
if (node.Is <AggregateReportNode>())
{
structuredQueryEntity = BuildAggregateReportNode(node.As <AggregateReportNode>(), context);
}
else if (node.Is <RelationshipReportNode>())
{
structuredQueryEntity = BuildRelationshipReportNode(node.As <RelationshipReportNode>(), context);
}
else if (node.Is <CustomJoinReportNode>( ))
{
structuredQueryEntity = BuildCustomJoinReportNode(node.As <CustomJoinReportNode>( ), context);
}
else if (node.Is <DerivedTypeReportNode>())
{
structuredQueryEntity = BuildDerivedTypeReportNode(node.As <DerivedTypeReportNode>(), context);
}
else if (node.Is <ResourceReportNode>())
{
structuredQueryEntity = BuildResourceReportNode(node.As <ResourceReportNode>(), context);
}
else
{
throw new Exception("Unknown report node type. " + node.GetType().Name);
}
if (node.RelatedReportNodes != null && node.RelatedReportNodes.Count > 0)
{
structuredQueryEntity.RelatedEntities = new List <Entity>(node.RelatedReportNodes.Select(relatedReportNode => BuildReportNode(relatedReportNode, context)).Where(entity => entity != null));
}
if (structuredQueryEntity != null)
{
// Only valid nodes get placed into the ReportNodeToEntityMap
// (but ReportNodeMap may contain invalid nodes for historical reasons)
context.ReportNodeToEntityMap[node.Id] = structuredQueryEntity;
}
return(structuredQueryEntity);
}
