Exemplo n.º 1
0
        /// <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 for thread safe writing
            lock (_syncLock) {
                //create a name from the names of both Types
                var name = String.Format("{0}_{1}", values1.GetType(),
                                         values2.GetType());

                if (typeMergerPolicy != null)
                {
                    name += "_" + string.Join(",", typeMergerPolicy.IgnoredProperties.Select(x => String.Format("{0}_{1}", 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
                anonymousTypes.Add(name, newType);

                //return an instance of the new Type
                result           = CreateInstance(name, values1, values2);
                typeMergerPolicy = null;
                return(result);
            }
        }
Exemplo n.º 2
0
 /// <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));
 }