EpmContentSerializerBase.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataWeb / Server / System / Data / Services / Epm / EpmContentSerializerBase.cs / 1305376 / EpmContentSerializerBase.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//  
// Base Classes used for EntityPropertyMappingAttribute related content
// serializers 
//  
//
// @owner  [....] 
//---------------------------------------------------------------------

namespace System.Data.Services.Common
{ 
    using System.Collections.Generic;
    using System.Diagnostics; 
    using System.Linq; 
#if ASTORIA_CLIENT
    using System.Xml; 
#else
    using System.ServiceModel.Syndication;
    using System.Data.Services.Providers;
#endif 

    ///  
    /// What kind of xml nodes to serialize 
    /// 
    internal enum EpmSerializationKind 
    {
        /// 
        /// Serialize only attributes
        ///  
        Attributes,
 
        ///  
        /// Serialize only elements
        ///  
        Elements,

        /// 
        /// Serialize everything 
        /// 
        All 
    } 

    ///  
    /// Base visitor class for performing serialization of content whose location in the syndication
    /// feed is provided through EntityPropertyMappingAttributes
    /// 
    internal abstract class EpmContentSerializerBase 
    {
        ///  
        /// Constructor decided whether to use syndication or non-syndication sub-tree for target content mappings 
        /// 
        /// Target tree containing mapping information 
        /// Helps in deciding whether to use syndication sub-tree or non-syndication one
        /// Object to be serialized
        /// SyndicationItem to which content will be added
#if ASTORIA_CLIENT 
        protected EpmContentSerializerBase(EpmTargetTree tree, bool isSyndication, object element, XmlWriter target)
#else 
        protected EpmContentSerializerBase(EpmTargetTree tree, bool isSyndication, object element, SyndicationItem target) 
#endif
        { 
            this.Root = isSyndication ? tree.SyndicationRoot : tree.NonSyndicationRoot;
            this.Element = element;
            this.Target = target;
            this.Success = false; 
        }
 
        /// Root of the target tree containing mapped xml elements/attribute 
        protected EpmTargetPathSegment Root
        { 
            get;
            private set;
        }
 
        /// Object whose properties we will read
        protected object Element 
        { 
            get;
            private set; 
        }

        /// Target SyndicationItem on which we are going to add the serialized content
#if ASTORIA_CLIENT 
        protected XmlWriter Target
#else 
        protected SyndicationItem Target 
#endif
        { 
            get;
            private set;
        }
 
        /// Indicates the success or failure of serialization
        protected bool Success 
        { 
            get;
            private set; 
        }

#if ASTORIA_CLIENT
        /// Public interface used by the EpmContentSerializer class 
        internal void Serialize()
#else 
        /// Public interface used by the EpmContentSerializer class 
        /// Data Service provider used for rights verification.
        internal void Serialize(DataServiceProviderWrapper provider) 
#endif
        {
            foreach (EpmTargetPathSegment targetSegment in this.Root.SubSegments)
            { 
#if ASTORIA_CLIENT
                this.Serialize(targetSegment, EpmSerializationKind.All); 
#else 
                this.Serialize(targetSegment, EpmSerializationKind.All, provider);
#endif 
            }

            this.Success = true;
        } 

#if ASTORIA_CLIENT 
        ///  
        /// Internal interface to be overridden in the subclasses.
        /// Goes through each subsegments and invokes itself for the children 
        /// 
        /// Current root segment in the target tree
        /// Which sub segments to serialize
        protected virtual void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind) 
#else
        ///  
        /// Internal interface to be overridden in the subclasses. 
        /// Goes through each subsegments and invokes itself for the children
        ///  
        /// Current root segment in the target tree
        /// Which sub segments to serialize
        /// Data Service provider used for rights verification.
        protected virtual void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind, DataServiceProviderWrapper provider) 
#endif
        { 
            IEnumerable segmentsToSerialize; 
            switch (kind)
            { 
                case EpmSerializationKind.Attributes:
                    segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == true);
                    break;
                case EpmSerializationKind.Elements: 
                    segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == false);
                    break; 
                default: 
                    Debug.Assert(kind == EpmSerializationKind.All, "Must serialize everything");
                    segmentsToSerialize = targetSegment.SubSegments; 
                    break;
            }

            foreach (EpmTargetPathSegment segment in segmentsToSerialize) 
            {
#if ASTORIA_CLIENT 
                this.Serialize(segment, kind); 
#else
                this.Serialize(segment, kind, provider); 
#endif
            }
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//  
// Base Classes used for EntityPropertyMappingAttribute related content
// serializers 
//  
//
// @owner  [....] 
//---------------------------------------------------------------------

namespace System.Data.Services.Common
{ 
    using System.Collections.Generic;
    using System.Diagnostics; 
    using System.Linq; 
#if ASTORIA_CLIENT
    using System.Xml; 
#else
    using System.ServiceModel.Syndication;
    using System.Data.Services.Providers;
#endif 

    ///  
    /// What kind of xml nodes to serialize 
    /// 
    internal enum EpmSerializationKind 
    {
        /// 
        /// Serialize only attributes
        ///  
        Attributes,
 
        ///  
        /// Serialize only elements
        ///  
        Elements,

        /// 
        /// Serialize everything 
        /// 
        All 
    } 

    ///  
    /// Base visitor class for performing serialization of content whose location in the syndication
    /// feed is provided through EntityPropertyMappingAttributes
    /// 
    internal abstract class EpmContentSerializerBase 
    {
        ///  
        /// Constructor decided whether to use syndication or non-syndication sub-tree for target content mappings 
        /// 
        /// Target tree containing mapping information 
        /// Helps in deciding whether to use syndication sub-tree or non-syndication one
        /// Object to be serialized
        /// SyndicationItem to which content will be added
#if ASTORIA_CLIENT 
        protected EpmContentSerializerBase(EpmTargetTree tree, bool isSyndication, object element, XmlWriter target)
#else 
        protected EpmContentSerializerBase(EpmTargetTree tree, bool isSyndication, object element, SyndicationItem target) 
#endif
        { 
            this.Root = isSyndication ? tree.SyndicationRoot : tree.NonSyndicationRoot;
            this.Element = element;
            this.Target = target;
            this.Success = false; 
        }
 
        /// Root of the target tree containing mapped xml elements/attribute 
        protected EpmTargetPathSegment Root
        { 
            get;
            private set;
        }
 
        /// Object whose properties we will read
        protected object Element 
        { 
            get;
            private set; 
        }

        /// Target SyndicationItem on which we are going to add the serialized content
#if ASTORIA_CLIENT 
        protected XmlWriter Target
#else 
        protected SyndicationItem Target 
#endif
        { 
            get;
            private set;
        }
 
        /// Indicates the success or failure of serialization
        protected bool Success 
        { 
            get;
            private set; 
        }

#if ASTORIA_CLIENT
        /// Public interface used by the EpmContentSerializer class 
        internal void Serialize()
#else 
        /// Public interface used by the EpmContentSerializer class 
        /// Data Service provider used for rights verification.
        internal void Serialize(DataServiceProviderWrapper provider) 
#endif
        {
            foreach (EpmTargetPathSegment targetSegment in this.Root.SubSegments)
            { 
#if ASTORIA_CLIENT
                this.Serialize(targetSegment, EpmSerializationKind.All); 
#else 
                this.Serialize(targetSegment, EpmSerializationKind.All, provider);
#endif 
            }

            this.Success = true;
        } 

#if ASTORIA_CLIENT 
        ///  
        /// Internal interface to be overridden in the subclasses.
        /// Goes through each subsegments and invokes itself for the children 
        /// 
        /// Current root segment in the target tree
        /// Which sub segments to serialize
        protected virtual void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind) 
#else
        ///  
        /// Internal interface to be overridden in the subclasses. 
        /// Goes through each subsegments and invokes itself for the children
        ///  
        /// Current root segment in the target tree
        /// Which sub segments to serialize
        /// Data Service provider used for rights verification.
        protected virtual void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind, DataServiceProviderWrapper provider) 
#endif
        { 
            IEnumerable segmentsToSerialize; 
            switch (kind)
            { 
                case EpmSerializationKind.Attributes:
                    segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == true);
                    break;
                case EpmSerializationKind.Elements: 
                    segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == false);
                    break; 
                default: 
                    Debug.Assert(kind == EpmSerializationKind.All, "Must serialize everything");
                    segmentsToSerialize = targetSegment.SubSegments; 
                    break;
            }

            foreach (EpmTargetPathSegment segment in segmentsToSerialize) 
            {
#if ASTORIA_CLIENT 
                this.Serialize(segment, kind); 
#else
                this.Serialize(segment, kind, provider); 
#endif
            }
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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