internal ModelMetadata(ModelMetadataProvider provider, Type containerType, Func<object> modelAccessor, Type modelType, string propertyName, EfficientTypePropertyKey<Type, string> cacheKey)
: this(provider, containerType, modelAccessor, modelType, propertyName)
{
if (cacheKey == null)
{
throw Error.ArgumentNull("cacheKey");
}
_cacheKey = cacheKey;
}
internal ModelMetadata(ModelMetadataProvider provider, Type containerType, Func <object> modelAccessor, Type modelType, string propertyName, EfficientTypePropertyKey <Type, string> cacheKey)
: this(provider, containerType, modelAccessor, modelType, propertyName)
{
if (cacheKey == null)
{
throw Error.ArgumentNull("cacheKey");
}
_cacheKey = cacheKey;
}
public ModelMetadata(ModelMetadataProvider provider, Type containerType, Func <object> modelAccessor, Type modelType, string propertyName)
{
if (provider == null)
{
throw Error.ArgumentNull("provider");
}
if (modelType == null)
{
throw Error.ArgumentNull("modelType");
}
Provider = provider;
_containerType = containerType;
_modelAccessor = modelAccessor;
_modelType = modelType;
_propertyName = propertyName;
// If metadata is for a property then containerType != null && propertyName != null
// If metadata is for a type then containerType == null && propertyName == null, so we have to use modelType for the cache key.
_cacheKey = new EfficientTypePropertyKey <Type, string>(_containerType ?? _modelType, _propertyName);
}
