/// <summary>
/// Returns the JObject of the page if we have it.
/// </summary>
private JObject GetEntityFromPage(Uri entity)
{
JObject result = null;
if (Utility.IsRootUri(entity))
{
JsonLdPage matchingPage = null;
if (_pages.TryGetValue(entity, out matchingPage))
{
matchingPage.UpdateLastUsed();
result = matchingPage.Compacted;
}
}
return(result);
}
/// <summary>
/// True if the page has been added to the cache.
/// </summary>
public bool HasPageOfEntity(Uri entity)
{
bool result = false;
Uri uri = Utility.GetUriWithoutHash(entity);
JsonLdPage page = null;
if (_pages.TryGetValue(uri, out page))
{
// make the page as accessed so it stays around
page.UpdateLastUsed();
result = !page.IsDisposed; // to be extra safe
}
return(result);
}
/// <summary>
/// Called by JsonLdPage after the graph has loaded.
/// </summary>
private void AddCallback(JsonLdPage page)
{
page.UpdateLastUsed();
MergeGraph(page.Graph);
}
