internal Shaper(
DbDataReader reader, ObjectContext context, MetadataWorkspace workspace, MergeOption mergeOption,
int stateCount, CoordinatorFactory <T> rootCoordinatorFactory, bool readerOwned, bool streaming)
: base(reader, context, workspace, mergeOption, stateCount, streaming)
{
DebugCheck.NotNull(rootCoordinatorFactory);
RootCoordinator = (Coordinator <T>)rootCoordinatorFactory.CreateCoordinator(parent: null, next: null);
_isObjectQuery = !(typeof(T) == typeof(RecordState));
_isActive = true;
RootCoordinator.Initialize(this);
_readerOwned = readerOwned;
}
public bool MoveNext()
{
try
{
_shaper.StartMaterializingElement();
if (!_shaper.StoreRead())
{
// Reset all collections
RootCoordinator.ResetCollection(_shaper);
return(false);
}
MaterializeRow();
}
finally
{
_shaper.StopMaterializingElement();
}
return(true);
}
public async Task <bool> MoveNextAsync(CancellationToken cancellationToken)
{
try
{
_shaper.StartMaterializingElement();
if (!await _shaper.StoreReadAsync(cancellationToken).ConfigureAwait(continueOnCapturedContext: false))
{
// Reset all collections
RootCoordinator.ResetCollection(_shaper);
return(false);
}
MaterializeRow();
}
finally
{
_shaper.StopMaterializingElement();
}
return(true);
}
public async Task <bool> MoveNextAsync(CancellationToken cancellationToken)
{
try
{
_shaper.StartMaterializingElement();
if (!await _shaper.StoreReadAsync(cancellationToken).WithCurrentCulture())
{
// Reset all collections
RootCoordinator.ResetCollection(_shaper);
return(false);
}
MaterializeRow();
}
finally
{
_shaper.StopMaterializingElement();
}
return(true);
}
