internal override void removeFromUpstreamComputings(IComputingInternal computing)
{
(_source as IComputingInternal)?.RemoveDownstreamConsumedComputing(computing);
(_sourceScalar as IComputingInternal)?.RemoveDownstreamConsumedComputing(computing);
(_sortDirectionScalar as IComputingInternal)?.RemoveDownstreamConsumedComputing(computing);
(_comparerScalar as IComputingInternal)?.RemoveDownstreamConsumedComputing(computing);
}
protected override void initialize()
{
Utils.initializeSourceScalar(_sourceScalar, ref _source, scalarValueChangedHandler);
_initialized = true;
processSourceUpstreamComputings(_addToUpstreamComputing, true);
_addToUpstreamComputing = null;
}
private ConstantExpression getConstantExpression(Expression node)
{
ConstantExpression getConstantExpressionLocal()
{
IComputingInternal nestedComputing = (IComputingInternal)Expression.Lambda(node).Compile().DynamicInvoke();
NestedComputings.Add(nestedComputing);
return(Expression.Constant(nestedComputing, node.Type));
}
if (_parameterExpressions != null)
{
ParametersFinder parametersFinder = new ParametersFinder(_parameterExpressions);
parametersFinder.Visit(node);
if (!parametersFinder.ParametersFound)
{
return(getConstantExpressionLocal());
}
else
{
ContainsParametrizedObservableComputationCalls = parametersFinder.ParametersFound;
}
}
else
{
return(getConstantExpressionLocal());
}
return(null);
}
internal override void addToUpstreamComputings(IComputingInternal computing)
{
(_source as IComputingInternal)?.AddDownstreamConsumedComputing(computing);
(_sourceScalar as IComputingInternal)?.AddDownstreamConsumedComputing(computing);
(_sortDirectionScalar as IComputingInternal)?.AddDownstreamConsumedComputing(computing);
(_comparerScalar as IComputingInternal)?.AddDownstreamConsumedComputing(computing);
}
internal override void addToUpstreamComputings(IComputingInternal computing)
{
Utils.AddDownstreamConsumedComputing(computing, _sourceScalar, _source);
if (_initialized)
{
processSourceUpstreamComputings(computing, true);
}
else
{
_addToUpstreamComputing = computing;
}
}
public void Dispose()
{
int computingsCount = _computings.Count;
for (var index = computingsCount - 1; index >= 0; index--)
{
IComputingInternal computing = _computings[index];
computing.RemoveConsumer(this);
}
_computings = new List <IComputingInternal>();
}
internal override void removeFromUpstreamComputings(IComputingInternal computing)
{
void perform() => Utils.RemoveDownstreamConsumedComputing(computing, _sourceScalar, _source);
if (_sourceOcDispatcher != null)
{
_sourceOcDispatcher.Invoke(
perform,
_sourceOcDispatcherPriority,
_sourceOcDispatcherParameter,
this);
}
else
{
perform();
}
}
private void processSourceUpstreamComputings(IComputingInternal computing, bool addOrRemove)
{
IList sourceAsList = _sources as IList;
if (sourceAsList != null)
{
int count = sourceAsList.Count;
for (int sourceIndex = 0; sourceIndex < count; sourceIndex++)
{
IReadScalar<IComputingInternal> sourceScalar = sourceAsList[sourceIndex] as IReadScalar<IComputingInternal>;
IComputingInternal computingInternal =
sourceScalar != null ? sourceScalar.Value : (sourceAsList[sourceIndex] as IComputingInternal);
if (addOrRemove)
computingInternal?.AddDownstreamConsumedComputing(computing);
else
computingInternal?.RemoveDownstreamConsumedComputing(computing);
}
}
}
private void processSourceUpstreamComputings(IComputingInternal computing, bool addOrRemove)
{
if (_source is IList sourceAsList)
{
int count = sourceAsList.Count;
for (int sourceIndex = 0; sourceIndex < count; sourceIndex++)
{
IComputingInternal computingInternal = sourceAsList[sourceIndex] as IComputingInternal;
if (addOrRemove)
{
computingInternal?.AddDownstreamConsumedComputing(computing);
}
else
{
computingInternal?.RemoveDownstreamConsumedComputing(computing);
}
}
}
}
internal override void removeFromUpstreamComputings(IComputingInternal computing)
{
base.removeFromUpstreamComputings(computing);
(_argument as IComputingInternal)?.RemoveDownstreamConsumedComputing(computing);
}
internal override void addToUpstreamComputings(IComputingInternal computing)
{
base.addToUpstreamComputings(computing);
(_argument as IComputingInternal)?.AddDownstreamConsumedComputing(computing);
}
internal override void addToUpstreamComputings(IComputingInternal computing)
{
(_source as IComputingInternal)?.AddDownstreamConsumedComputing(computing);
(_sourceScalar as IComputingInternal)?.AddDownstreamConsumedComputing(computing);
Utils.AddDownstreamConsumedComputing(_itemInfos, this);
}
internal override void removeFromUpstreamComputings(IComputingInternal computing)
{
(_source as IComputingInternal)?.RemoveDownstreamConsumedComputing(computing);
(_sourceScalar as IComputingInternal)?.RemoveDownstreamConsumedComputing(computing);
Utils.RemoveDownstreamConsumedComputing(_itemInfos, this);
}
internal override void removeFromUpstreamComputings(IComputingInternal computing)
{
invokeSourceDispatcher(() =>
Utils.unsubscribeSourceScalar(_sourceScalar, handleSourceScalarValueChanged));
}
internal override void addToUpstreamComputings(IComputingInternal computing)
{
}
internal override void removeFromUpstreamComputings(IComputingInternal computing)
{
Utils.RemoveDownstreamConsumedComputing(computing, _sourceScalar, _source);
}
internal void AddComputing(IComputingInternal computing)
{
_computings.Add(computing);
}
internal override void removeFromUpstreamComputings(IComputingInternal computing)
{
(_sources as IComputingInternal)?.RemoveDownstreamConsumedComputing(computing);
(_sourcesScalar as IComputingInternal)?.RemoveDownstreamConsumedComputing(computing);
processSourceUpstreamComputings(computing, false);
}
internal override void addToUpstreamComputings(IComputingInternal computing)
{
(_sources as IComputingInternal)?.AddDownstreamConsumedComputing(computing);
(_sourcesScalar as IComputingInternal)?.AddDownstreamConsumedComputing(computing);
processSourceUpstreamComputings(computing, true);
}
internal override void removeFromUpstreamComputings(IComputingInternal computing)
{
}
internal override void addToUpstreamComputings(IComputingInternal computing)
{
Utils.AddDownstreamConsumedComputing(computing, _sourceScalar, _source);
}
internal override void removeFromUpstreamComputings(IComputingInternal computing)
{
(_source as IComputingInternal)?.RemoveDownstreamConsumedComputing(computing);
}
internal override void addToUpstreamComputings(IComputingInternal computing)
{
(_sourceScalar as IComputingInternal)?.AddDownstreamConsumedComputing(computing);
}
internal override void addToUpstreamComputings(IComputingInternal computing)
{
invokeSourceDispatcher(() =>
Utils.AddDownstreamConsumedComputing(computing, _sourceScalar, _source));
}