/// <summary>
/// Attempts to get the value of the Property called <paramref name="name" /> from the underlying Entity.
/// <remarks>
/// Only properties that exist on <see cref="EntityType" /> can be retrieved.
/// Both modified and unmodified properties can be retrieved.
/// </remarks>
/// </summary>
/// <param name="name">The name of the Property</param>
/// <param name="value">The value of the Property</param>
/// <returns>True if the Property was found</returns>
public bool TryGetPropertyValue(string name, out object value)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (_propertiesThatExist.ContainsKey(name))
{
PropertyAccessor <TEntityType> cacheHit = _propertiesThatExist[name];
value = cacheHit.GetValue(_entity);
return(true);
}
else
{
value = null;
return(false);
}
}
/// <summary>
/// Attempts to set the Property called <paramref name="name" /> to the <paramref name="value" /> specified.
/// <remarks>
/// Only properties that exist on <see cref="EntityType" /> can be set.
/// If there is a type mismatch the request will fail.
/// </remarks>
/// </summary>
/// <param name="name">The name of the Property</param>
/// <param name="value">The new value of the Property</param>
/// <returns>True if successful</returns>
public bool TrySetPropertyValue(string name, object value)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (!_propertiesThatExist.ContainsKey(name))
{
return(false);
}
PropertyAccessor <TEntityType> cacheHit = _propertiesThatExist[name];
if (value == null && !IsNullable(cacheHit.Property.PropertyType))
{
return(false);
}
if (value != null)
{
if (value is JToken)
{
try {
value = JsonConvert.DeserializeObject(value.ToString(), cacheHit.Property.PropertyType);
} catch (Exception ex) {
Log.Error().Exception(ex).Message("Error deserializing value: {0}", value.ToString()).Report().Write();
return(false);
}
}
else
{
bool isGuid = cacheHit.Property.PropertyType == typeof(Guid) && value is string;
bool isEnum = cacheHit.Property.PropertyType.IsEnum && value is Int64 && (long)value <= int.MaxValue;
bool isInt32 = cacheHit.Property.PropertyType == typeof(int) && value is Int64 && (long)value <= int.MaxValue;
if (!cacheHit.Property.PropertyType.IsPrimitive && !isGuid && !isEnum && !cacheHit.Property.PropertyType.IsAssignableFrom(value.GetType()))
{
return(false);
}
if (isGuid)
{
value = new Guid((string)value);
}
if (isInt32)
{
value = (int)(long)value;
}
if (isEnum)
{
value = Enum.Parse(cacheHit.Property.PropertyType, value.ToString());
}
}
}
//.Setter.Invoke(_entity, new object[] { value });
cacheHit.SetValue(_entity, value);
_changedProperties.Add(name);
return(true);
}
