protected virtual TPropType OnGet <TOwner, TPropType>(PropertyWrapper <TOwner, TPropType> property)
{
object value;
if (!this.propMap.TryGetValue(property.Name, out value))
{
var propertyType = property.PropertyInfo.PropertyType;
if (propertyType.IsGenericInstanceOf(typeof(IDictionary <,>)))
{
var newDictType =
typeof(PostResourceDictionary <,>).MakeGenericType(propertyType.GetGenericArguments());
var newDict = Activator.CreateInstance(newDictType,
BindingFlags.Instance | BindingFlags.NonPublic |
BindingFlags.CreateInstance, null,
new object[] { this, property.Name }, null);
this.propMap[property.Name] = newDict;
return((TPropType)newDict);
}
if (propertyType.IsGenericInstanceOf(typeof(ISet <>)))
{
var newSetType = typeof(PostResourceSet <>).MakeGenericType(propertyType.GetGenericArguments());
var newSet = Activator.CreateInstance(newSetType,
BindingFlags.Instance | BindingFlags.NonPublic |
BindingFlags.CreateInstance, null,
new object[] { this, property.Name }, null);
this.propMap[property.Name] = newSet;
return((TPropType)newSet);
}
if (propertyType.IsGenericInstanceOf(typeof(ICollection <>), typeof(IList <>)))
{
var newListType = typeof(PostResourceList <>).MakeGenericType(propertyType.GetGenericArguments());
var newList = Activator.CreateInstance(newListType,
BindingFlags.Instance | BindingFlags.NonPublic |
BindingFlags.CreateInstance, null,
new object[] { this, property.Name }, null);
this.propMap[property.Name] = newList;
return((TPropType)newList);
}
if (typeof(IClientResource).IsAssignableFrom(propertyType))
{
var resourceInfo =
propertyType.GetCustomAttributes(typeof(ResourceInfoAttribute), false)
.OfType <ResourceInfoAttribute>()
.FirstOrDefault();
if (resourceInfo != null && resourceInfo.IsValueObject)
{
var valueObjectForm = Activator.CreateInstance(resourceInfo.PostFormType);
this.propMap[property.Name] = valueObjectForm;
this.dirtyMap[property.Name] = true;
return((TPropType)valueObjectForm);
}
}
return(default(TPropType));
}
return((TPropType)value);
}
protected TPropType OnGet <TOwner, TPropType>(PropertyWrapper <TOwner, TPropType> property)
{
if (Client == null)
{
throw new InvalidOperationException(
$"{this}.Initialize(IResourceFetchContext) must be invoked before OnGet.");
}
try
{
Fetch();
}
catch (LoadException exception)
{
var resourcePath = this.expandPath ?? property.ToString();
throw new LazyLoadingDisabledException(resourcePath, exception);
}
return(property.Getter((TOwner)ProxyTarget));
}
protected void OnSet <TOwner, TPropType>(PropertyWrapper <TOwner, TPropType> property, TPropType value)
{
throw new InvalidOperationException($"{property} is just a proxy. Use Patch to modify a resource.");
}
protected virtual void OnSet <TOwner, TPropType>(PropertyWrapper <TOwner, TPropType> property, TPropType value)
{
this.propMap[property.Name] = value;
this.dirtyMap[property.Name] = true;
}