/// <summary> /// Handles the assignemnt from ReflectedData into CLR fieldInfo. Override to make conversions, i.e. string to bool, int to string etc... /// Return true to indicate that default framework implementation should not be called /// </summary> public abstract bool SetFieldValue(ReadingStrategy readingStrategy, object instance, FieldInfo fieldInfo, CompositeReflectedData data, MetaComplexType.MetaField mfield);
/// <summary>
/// Performs the assignment of portable data into native field
/// </summary>
public virtual void SetFieldData(object instance, FieldInfo fieldInfo, CompositeReflectedData data, MetaComplexType.MetaField mfield)
{
var nativeData = data.Document.PortableDataToNativeData(this, data.m_FieldData[mfield.m_Index]);
fieldInfo.SetValue(instance, nativeData);
}
/// <summary> /// Handles the deserialization of the object instance from CompoisteReflectedData. Returns a set of fields that were handles by this implementation /// so that framework code can skip them. Return null or empty set when method is not implemented /// </summary> public abstract HashSet <MetaComplexType.MetaField> DeserializeFromCompositeReflectedData(object instance, CompositeReflectedData data);
public virtual void DeserializeObjectFromCompositeReflectedData(object instance, CompositeReflectedData data)
{
var t = instance.GetType();
//1 check for attribute ---------------
var attr = (PortableObjectDocumentDeserializationTransform)t
.GetCustomAttributes(typeof(PortableObjectDocumentDeserializationTransform), false)
.FirstOrDefault();
HashSet <MetaComplexType.MetaField> alreadyHandled = null;
if (attr != null)
{
alreadyHandled = attr.DeserializeFromCompositeReflectedData(instance, data);
}
//2 read data
var mfields = data.Type;
foreach (var mfld in mfields)
{
if (alreadyHandled != null && alreadyHandled.Contains(mfld))
{
continue;
}
//find field
if (mfld.m_FieldInfo == null)
{
//1. try attr
if (attr != null)
{
mfld.m_FieldInfo = attr.ResolveField(t, mfld);
}
//2. try built in method
if (mfld.m_FieldInfo == null)
{
mfld.m_FieldInfo = ResolveField(t, mfld);
}
//3. skip this field altogether if it can not be read
if (mfld.m_FieldInfo == null)
{
continue;
}
}
var handled = false;
if (attr != null)
{
handled = attr.SetFieldValue(this, instance, mfld.m_FieldInfo, data, mfld);
}
if (!handled)
{
SetFieldData(instance, mfld.m_FieldInfo, data, mfld);
}
}
}
