/// <summary>
/// Merge two different object instances into a single object which is a super-set of the properties of both objects.
/// If property name collision occurs and no policy has been created to specify which to use using the .Use() method the property value from 'values1' will be used.
/// </summary>
/// <param name="values1">An object to be merged.</param>
/// <param name="values2">An object to be merged.</param>
/// <returns>New object containing properties from both objects</returns>
public static object Merge(object values1, object values2)
{
lock (Mutex)
{
// Create a name from the names of both Types
var name = $"{values1.GetType()}_{values2.GetType()}";
if (_typeMergerPolicy != null)
{
name += "_" + String.Join(",", _typeMergerPolicy.IgnoredProperties.Select(x => $"{x.Item1}_{x.Item2}"));
}
// Now that we're inside the lock - check one more time
var result = CreateInstance(name, values1, values2);
if (result != null)
{
_typeMergerPolicy = null;
return(result);
}
// Merge list of PropertyDescriptors for both objects
var pdc = GetProperties(values1, values2);
// Make sure static properties are properly initialized
InitializeAssembly();
// Create the type definition
var newType = CreateType(name, pdc);
// Add it to the cache
ObjectTypeCache.Add(name, newType);
// Return an instance of the new Type
result = CreateInstance(name, values1, values2);
_typeMergerPolicy = null;
return(result);
}
}
/// <summary>
/// Used internally by the TypeMergerPolicy class method chaining for specifying a policy to use during merging.
/// </summary>
internal static object Merge(object values1, object values2, TypeMergerPolicy policy)
{
_typeMergerPolicy = policy;
return(Merge(values1, values2));
}
