Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / Common / AuthoringOM / Serializer / ActivitySurrogateSelector.cs / 1305376 / ActivitySurrogateSelector.cs
namespace System.Workflow.ComponentModel.Serialization { using System; using System.IO; using System.Reflection; using System.Collections; using System.Collections.Generic; using System.Xml; using System.Runtime.Serialization; using System.Runtime.Serialization.Formatters.Binary; using System.Security.Permissions; public sealed class ActivitySurrogateSelector : SurrogateSelector { private ActivitySurrogate activitySurrogate = new ActivitySurrogate(); private ActivityExecutorSurrogate activityExecutorSurrogate = new ActivityExecutorSurrogate(); private ObjectSurrogate objectSurrogate = new ObjectSurrogate(); private DependencyStoreSurrogate dependencyStoreSurrogate = new DependencyStoreSurrogate(); private XmlDocumentSurrogate domDocSurrogate = new XmlDocumentSurrogate(); private DictionarySurrogate dictionarySurrogate = new DictionarySurrogate(); private GenericQueueSurrogate genericqueueSurrogate = new GenericQueueSurrogate(); private QueueSurrogate queueSurrogate = new QueueSurrogate(); private ListSurrogate listSurrogate = new ListSurrogate(); private SimpleTypesSurrogate simpleTypesSurrogate = new SimpleTypesSurrogate(); private static ActivitySurrogateSelector defaultActivitySurrogateSelector = new ActivitySurrogateSelector(); private static DictionarysurrogateCache = new Dictionary (); public static ActivitySurrogateSelector Default { get { return defaultActivitySurrogateSelector; } } public override ISerializationSurrogate GetSurrogate(Type type, StreamingContext context, out ISurrogateSelector selector) { if (type == null) throw new ArgumentNullException("type"); selector = this; ISerializationSurrogate result = null; bool found; lock (surrogateCache) { found = surrogateCache.TryGetValue(type, out result); } if (found) { return result == null ? base.GetSurrogate(type, context, out selector) : result; } // if type is assignable to activity, then return the surrogate if (typeof(Activity).IsAssignableFrom(type)) { result = this.activitySurrogate; } else if (typeof(ActivityExecutor).IsAssignableFrom(type)) { result = this.activityExecutorSurrogate; } else if (typeof(IDictionary ).IsAssignableFrom(type)) { result = this.dependencyStoreSurrogate; } else if (typeof(XmlDocument).IsAssignableFrom(type)) { result = this.domDocSurrogate; } /*else if (type.IsGenericType) { Type genericType = type.GetGenericTypeDefinition(); if (genericType == typeof(Dictionary<,>)) { result = this.dictionarySurrogate; } else if (genericType == typeof(Queue<>)) { result = this.genericqueueSurrogate; } else if (genericType == typeof(List<>)) { result = this.listSurrogate; } }*/ else if (typeof(Queue) == type) { result = this.queueSurrogate; } else if (typeof(Guid) == type) { result = this.simpleTypesSurrogate; } // else if (typeof(ActivityBind).IsAssignableFrom(type)) { result = this.objectSurrogate; } // else if (typeof(DependencyObject).IsAssignableFrom(type)) { result = this.objectSurrogate; } lock (surrogateCache) { surrogateCache[type] = result; } return result == null ? base.GetSurrogate(type, context, out selector) : result; } private sealed class ObjectSurrogate : ISerializationSurrogate { public void GetObjectData(object obj, SerializationInfo info, StreamingContext context) { info.AddValue("type", obj.GetType()); string[] names = null; MemberInfo[] members = FormatterServicesNoSerializableCheck.GetSerializableMembers(obj.GetType(), out names); object[] memberDatas = FormatterServices.GetObjectData(obj, members); info.AddValue("memberDatas", memberDatas); info.SetType(typeof(ObjectSerializedRef)); } public object SetObjectData(object obj, SerializationInfo info, StreamingContext context, ISurrogateSelector selector) { return null; } [Serializable] private sealed class ObjectSerializedRef : IObjectReference, IDeserializationCallback { private Type type = null; private object[] memberDatas = null; [NonSerialized] private object returnedObject = null; Object IObjectReference.GetRealObject(StreamingContext context) { if (this.returnedObject == null) this.returnedObject = FormatterServices.GetUninitializedObject(this.type); return this.returnedObject; } void IDeserializationCallback.OnDeserialization(object sender) { if (this.returnedObject != null) { string[] names = null; MemberInfo[] members = FormatterServicesNoSerializableCheck.GetSerializableMembers(this.type, out names); FormatterServices.PopulateObjectMembers(this.returnedObject, members, this.memberDatas); this.returnedObject = null; } } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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