public RazorDocumentExcerptService(DocumentSnapshot document, ISpanMappingService mapper)
{
if (mapper == null)
{
throw new ArgumentNullException(nameof(mapper));
}
_document = document;
_mapper = mapper;
}
public TService GetService <TService>() where TService : class, IDocumentService
{
if (_documentContainer == null)
{
return(this as TService);
}
if (typeof(TService) == typeof(ISpanMappingService))
{
if (_spanMappingService == null)
{
lock (_lock)
{
if (_spanMappingService == null)
{
var spanMappingServiceObject = _documentContainer.GetMappingService();
_spanMappingService = (ISpanMappingService)spanMappingServiceObject;
}
}
}
return((TService)(object)_spanMappingService);
}
if (typeof(TService) == typeof(IDocumentExcerptService))
{
if (_excerptService == null)
{
lock (_lock)
{
if (_excerptService == null)
{
var excerptServiceObject = _documentContainer.GetExcerptService();
_excerptService = (IDocumentExcerptService)excerptServiceObject;
}
}
}
return((TService)(object)_excerptService);
}
return(this as TService);
}