Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataWeb / Server / System / Data / Services / Epm / EpmContentDeSerializer.cs / 1305376 / EpmContentDeSerializer.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // //// Class used for deserializing EntityPropertyMappingAttribute content. // // // @owner [....] //--------------------------------------------------------------------- namespace System.Data.Services.Common { #region Namespaces using System.Collections.Generic; using System.Data.Services.Providers; using System.Diagnostics; using System.Linq; using System.ServiceModel.Syndication; #endregion ///DeSerializer for reading EPM content internal sealed class EpmContentDeSerializer { ///private readonly ResourceType resourceType; /// for which this serializer works Object for which this serializer works private readonly object element; ////// Constructor creates contained serializers /// /// Resource type being serialized /// Instance ofinternal EpmContentDeSerializer(ResourceType resourceType, object element) { Debug.Assert(resourceType.HasEntityPropertyMappings == true, "Must have entity property mappings to instantiate EpmContentDeSerializer"); this.resourceType = resourceType; this.element = element; this.resourceType.EnsureEpmInfoAvailability(); } /// Delegates to each of custom and syndication deserializers for serializing content ///to deserialize /// State of the deserializer internal void DeSerialize(SyndicationItem item, EpmContentDeserializerState state) { if (this.resourceType.EpmTargetTree.SyndicationRoot.SubSegments.Count > 0) { new EpmSyndicationContentDeSerializer(item, state).DeSerialize(this.resourceType, this.element); } if (this.resourceType.EpmTargetTree.NonSyndicationRoot.SubSegments.Count > 0) { new EpmCustomContentDeSerializer(item, state).DeSerialize(this.resourceType, this.element); } } /// Representation of deserializer state internal sealed class EpmContentDeserializerState { ///Is current operation an update public bool IsUpdateOperation { get; set; } ///IUpdatable used for updating the object public UpdatableWrapper Updatable { get; set; } ///Service instance public IDataService Service { get; set; } ///Properties that have been applied public EpmAppliedPropertyInfo PropertiesApplied { get; set; } } ///Holder of information about properties applied during deserialization of an object internal sealed class EpmAppliedPropertyInfo { ///Properties already applied private Listproperties; /// Map from properties to their corresponding type names private ListpropertyToTypeNameMap; /// Propeties already applied private IListProperties { get { if (this.properties == null) { this.properties = new List (); } return this.properties; } } /// Propeties to type name mappings private IListPropertyToTypeNameMap { get { if (this.propertyToTypeNameMap == null) { this.propertyToTypeNameMap = new List (); } return this.propertyToTypeNameMap; } } /// Adds the given property to the collection of applied ones /// Path of property /// Does the path include all sub-properties internal void AddAppliedProperty(String propertyPath, bool wholePathCovered) { this.Properties.Add(new EpmAppliedProperty { PropertyPath = propertyPath, ApplyRecursive = wholePathCovered }); } ///Adds the given property to the collection of applied ones /// Path of property /// Type of the property internal void AddPropertyToTypeMapItem(String propertyPath, String typeName) { this.PropertyToTypeNameMap.Add(new EpmPropertyToTypeMappingElement { PropertyPath = propertyPath, TypeName = typeName }); } ///Checks if the given path is already applied /// Given property path ///true if the property has already been applied, false otherwise internal bool Lookup(String propertyPath) { return this.properties != null && this.Properties.Any(e => e.PropertyPath == propertyPath || (e.ApplyRecursive == true && e.PropertyPath.Length <= propertyPath.Length && e.PropertyPath == propertyPath.Substring(0, e.PropertyPath.Length))); } ///Looksup the type given a property path /// Given property path ///String containing mapped type name, null otherwise internal String MapPropertyToType(String propertyPath) { if (this.propertyToTypeNameMap != null) { EpmPropertyToTypeMappingElement mapping = this.PropertyToTypeNameMap.FirstOrDefault(e => e.PropertyPath == propertyPath); return mapping != null ? mapping.TypeName : null; } else { return null; } } ///Property that is applied private sealed class EpmAppliedProperty { ///Path of property public String PropertyPath { get; set; } ///Is the property application path considered recursive public bool ApplyRecursive { get; set; } } ///Maps a property path with the type private sealed class EpmPropertyToTypeMappingElement { ///Path of property public String PropertyPath { get; set; } ///Type of the property public String TypeName { get; set; } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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