public IDataContextBuilder AddChild(IDataScopeRules dataScopeRules)
{
var child = new DataContextBuilder(
_dataContextFactory,
_idManager,
_dataCatalog,
dataScopeRules)
{
_parent = this
};
#if DETAILED_TRACE
Trace.WriteLine("Data context builder #" + Id + " is the parent of #" + child.Id);
#endif
if (_children == null)
{
_children = new[] { child }
}
;
else
{
_children = _children.Concat(new[] { child }).ToArray();
}
return(child);
}
private object GetUnscoped(Type type, bool isRequired)
{
var retry = false;
while (true)
{
object result;
if (TryGetProperty(type, out result))
{
return(result);
}
if (_parent != null)
{
return(_parent.Get(type, null, isRequired));
}
if (!isRequired)
{
return(null);
}
if (retry)
{
throw RetryFailedException(type);
}
DataContextBuilder.AddMissingData(_renderContext, _dataDependencyFactory.Create(type));
retry = true;
}
}
private void SetScoped(Type type, object value, string scopeName)
{
var dependency = _dataDependencyFactory.Create(type, scopeName);
var isInScope = DataContextBuilder.IsInScope(dependency);
if (isInScope || _parent == null)
{
SetProperty(type, scopeName, value);
}
else
{
_parent.Set(type, value, scopeName);
}
}
private object GetScoped(Type type, string scopeName, bool isRequired)
{
var retry = false;
while (true)
{
object result;
if (TryGetProperty(type, scopeName, out result))
{
return(result);
}
var dependency = _dataDependencyFactory.Create(type, scopeName);
var isInScope = DataContextBuilder.IsInScope(dependency);
if (!isInScope)
{
if (_parent == null)
{
if (!isRequired)
{
return(null);
}
throw ScopeSearchFailedException(type, scopeName);
}
return(_parent.Get(type, scopeName, isRequired));
}
if (!isRequired)
{
return(null);
}
if (retry)
{
throw RetryFailedException(type);
}
DataContextBuilder.AddMissingData(_renderContext, dependency);
retry = true;
}
}