public void VisitProperty <TSourceProperty, TSourceValue>(TSourceProperty srcProperty, ref TSourceContainer srcContainer, ref ChangeTracker propertyChangeTracker)
where TSourceProperty : IProperty <TSourceContainer, TSourceValue>
{
var srcValue = srcProperty.GetValue(ref srcContainer);
if (TypeConversion.TryConvert <TSourceValue, TDestinationValue>(srcValue, out var dstValue))
{
if (CustomEquality.Equals(dstValue, DstProperty.GetValue(ref DstContainer)))
{
return;
}
DstProperty.SetValue(ref DstContainer, dstValue);
propertyChangeTracker.IncrementVersion <TDestinationProperty, TDestinationContainer, TDestinationValue>(DstProperty, ref DstContainer);
return;
}
if (DstProperty.IsContainer)
{
var changeTracker = new ChangeTracker(propertyChangeTracker.VersionStorage);
dstValue = DstProperty.GetValue(ref DstContainer);
PropertyContainer.Transfer(ref dstValue, ref srcValue, ref changeTracker);
DstProperty.SetValue(ref DstContainer, dstValue);
if (changeTracker.IsChanged())
{
propertyChangeTracker.IncrementVersion <TDestinationProperty, TDestinationContainer, TDestinationValue>(DstProperty, ref DstContainer);
}
}
}
public void VisitProperty <TDestinationElementProperty, TDestinationElement>(TDestinationElementProperty dstElementProperty, ref TDestinationContainer dstContainer, ref ChangeTracker propertyChangeTracker)
where TDestinationElementProperty : ICollectionElementProperty <TDestinationContainer, TDestinationElement>
{
if (TypeConversion.TryConvert <TSourceElement, TDestinationElement>(SrcElementValue, out var dstElementValue))
{
if (CustomEquality.Equals(dstElementValue, dstElementProperty.GetValue(ref dstContainer)))
{
return;
}
dstElementProperty.SetValue(ref dstContainer, dstElementValue);
propertyChangeTracker.IncrementVersion <TDestinationElementProperty, TDestinationContainer, TDestinationElement>(dstElementProperty, ref dstContainer);
return;
}
if (dstElementProperty.IsContainer)
{
var changeTracker = new ChangeTracker(propertyChangeTracker.VersionStorage);
dstElementValue = dstElementProperty.GetValue(ref dstContainer);
PropertyContainer.Transfer(ref dstElementValue, ref SrcElementValue, ref changeTracker);
dstElementProperty.SetValue(ref dstContainer, dstElementValue);
if (changeTracker.IsChanged())
{
propertyChangeTracker.IncrementVersion <TDestinationElementProperty, TDestinationContainer, TDestinationElement>(dstElementProperty, ref dstContainer);
}
}
}
public VisitStatus VisitProperty <TProperty, TContainer, TValue>(TProperty property, ref TContainer container, ref ChangeTracker changeTracker)
where TProperty : IProperty <TContainer, TValue>
{
// Give users a chance to filter based on the data.
if (IsExcluded <TProperty, TContainer, TValue>(property, ref container))
{
return(VisitStatus.Handled);
}
var value = property.GetValue(ref container);
var valueChangeTracker = new ChangeTracker(changeTracker.VersionStorage);
var status = property.IsContainer
? TryVisitContainerWithAdapters(property, ref container, ref value, ref valueChangeTracker)
: TryVisitValueWithAdapters(property, ref container, ref value, ref valueChangeTracker);
if (property.IsReadOnly)
{
return(status);
}
property.SetValue(ref container, value);
if (valueChangeTracker.IsChanged())
{
changeTracker.IncrementVersion <TProperty, TContainer, TValue>(property, ref container);
}
return(status);
}
public void VisitProperty <TProperty, TDestinationValue>(TProperty property, ref TContainer container, ref ChangeTracker changeTracker)
where TProperty : IProperty <TContainer, TDestinationValue>
{
if (!TypeConversion.TryConvert <TSourceValue, TDestinationValue>(SrcValue, out var dstValue))
{
Result = k_ResultErrorConvert;
return;
}
if (CustomEquality.Equals(dstValue, property.GetValue(ref container)))
{
return;
}
property.SetValue(ref container, dstValue);
changeTracker.IncrementVersion <TProperty, TContainer, TDestinationValue>(property, ref container);
}
internal VisitStatus TryVisitCollectionWithAdapters <TProperty, TContainer, TValue>(TProperty property, ref TContainer container, ref TValue value, ref ChangeTracker changeTracker)
where TProperty : ICollectionProperty <TContainer, TValue>
{
VisitStatus status;
if (null != m_Adapters)
{
for (var i = 0; i < m_Adapters.Count; i++)
{
if ((status = m_Adapters[i].TryVisitCollection(this, property, ref container, ref value, ref changeTracker)) != VisitStatus.Unhandled)
{
return(status);
}
}
}
if ((status = BeginCollection(property, ref container, ref value, ref changeTracker)) != VisitStatus.Unhandled)
{
if (status == VisitStatus.Handled)
{
for (int i = 0, count = property.GetCount(ref container); i < count; i++)
{
var callback = new VisitCollectionElementCallback <TContainer>(this);
var elementChangeTracker = new ChangeTracker(changeTracker.VersionStorage);
property.GetPropertyAtIndex(ref container, i, ref elementChangeTracker, ref callback);
if (elementChangeTracker.IsChanged())
{
changeTracker.IncrementVersion <TProperty, TContainer, TValue>(property, ref container);
}
}
}
EndCollection(property, ref container, ref value, ref changeTracker);
}
return(status);
}
