Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataWeb / Server / System / Data / Services / DataServiceOperationContext.cs / 1458001 / DataServiceOperationContext.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // //// Class holding all the context about the current request being // processed. // // // @owner [....] //--------------------------------------------------------------------- namespace System.Data.Services { #region Namespaces using System; using System.Diagnostics; using System.Net; #endregion Namespaces ////// Class holding all the context about the current operation being processed. /// public sealed class DataServiceOperationContext { #region Private Fields ////// Host interface for the current operation. /// private readonly IDataServiceHost hostInterface; ////// Host wrapper for the current operation. The wrapper class caches the request header values and validates the data from the host interface. /// private DataServiceHostWrapper hostWrapper; ////// True if the current operation is part of a batch request. /// private bool? isBatchRequest; #endregion Private Fields #region Constructor ////// Constructs a new instance of DataServiceOperationContext object /// /// Host instance for the current operation context. internal DataServiceOperationContext(IDataServiceHost host) { Debug.Assert(host != null, "host != null"); this.hostInterface = host; } ////// Constructs a new instance of DataServiceOperationContext object /// /// True if the current operation is part of a batch request. /// Host instance for the current operation context. internal DataServiceOperationContext(bool isBatchRequest, IDataServiceHost2 host) : this(host) { this.isBatchRequest = isBatchRequest; } #endregion Constructor #region Public Properties ////// True if the current operation is part of a batch request. /// public bool IsBatchRequest { get { if (!this.isBatchRequest.HasValue) { string[] segments = RequestUriProcessor.EnumerateSegments(this.AbsoluteRequestUri, this.AbsoluteServiceUri); if (segments.Length > 0 && segments[0] == XmlConstants.UriBatchSegment) { this.isBatchRequest = true; } else { this.isBatchRequest = false; } } return this.isBatchRequest.Value; } } ////// The HTTP request method (GET, POST, etc.) /// public string RequestMethod { get { return this.hostWrapper.RequestHttpMethod; } } ////// Request Uri for the current operation. /// public Uri AbsoluteRequestUri { get { return this.hostWrapper.AbsoluteRequestUri; } } ////// Base service Uri for the request. /// public Uri AbsoluteServiceUri { get { return this.hostWrapper.AbsoluteServiceUri; } } ////// Request headers for the current operation. /// public WebHeaderCollection RequestHeaders { get { return this.hostWrapper.RequestHeaders; } } ////// Response headers for the current operation. /// public WebHeaderCollection ResponseHeaders { get { return this.hostWrapper.ResponseHeaders; } } ////// Gets and sets the response status code /// public int ResponseStatusCode { get { return this.hostWrapper.ResponseStatusCode; } set { this.hostWrapper.ResponseStatusCode = value; } } #endregion Public Properties #region Internal Properties ////// Host instance for the current operation. /// internal DataServiceHostWrapper Host { get { Debug.Assert(this.hostWrapper != null, "Must call InitializeAndCacheHeaders() before calling the Host property."); return this.hostWrapper; } } #endregion Internal Properties #region Internal Methods ////// Creates a new instance of the host wrapper to cache the request headers and to validate the data from the host interface. /// internal void InitializeAndCacheHeaders() { Debug.Assert(this.hostInterface != null, "this.hostInterface != null"); this.hostWrapper = new DataServiceHostWrapper(this.hostInterface); } #endregion Internal Methods } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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