TrackingExtract.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / RunTime / Tracking / TrackingExtract.cs / 1305376 / TrackingExtract.cs
                        
                        
                            using System; 
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Text; 
using System.Xml;
using System.Xml.Schema; 
using System.IO; 
using System.Reflection;
using System.Diagnostics; 
using System.Runtime.Serialization;
using System.Security.Permissions;
using System.Globalization;
 
//using System.Workflow.Activities;
using System.Workflow.ComponentModel; 
using System.Workflow.Runtime; 
using System.Workflow.Runtime.Hosting;
using Hosting = System.Workflow.Runtime.Hosting; 

namespace System.Workflow.Runtime.Tracking
{
    ///  
    /// Abstract base for classes that extract data
    ///  
    [Serializable] 
    public abstract class TrackingExtract
    { 
        public abstract TrackingAnnotationCollection Annotations { get; }
        public abstract string Member { get; set; }
        internal abstract void GetData(Activity activity, IServiceProvider provider, IList items);
    } 

    ///  
    /// Used to extract data members from a workflow's code separation partial class. 
    /// 
    [Serializable] 
    public class WorkflowDataTrackingExtract : TrackingExtract
    {
        #region Private DataMembers
 
        private string _name = null;
        private TrackingAnnotationCollection _annotations = new TrackingAnnotationCollection(); 
 
        #endregion
 
        #region Constructors

        /// 
        /// Default constructor. 
        /// 
        public WorkflowDataTrackingExtract() 
        { 
        }
        ///  
        /// Construct with a Member list.
        /// 
        /// List of "." delineated property names
        public WorkflowDataTrackingExtract(string member) 
        {
            _name = member; 
        } 

        #endregion 

        #region TrackingExtract

        public override string Member 
        {
            get { return _name; } 
            set { _name = value; } 
        }
 
        public override TrackingAnnotationCollection Annotations
        {
            get { return _annotations; }
        } 

        internal override void GetData(Activity activity, IServiceProvider provider, IList items) 
        { 
            Activity root = ContextActivityUtils.RootContextActivity(activity);
 
            if ((null == _name) || (0 == _name.Trim().Length))
            {
                //
                // If we don't have a name we get everything 
                PropertyHelper.GetAllMembers(root, items, _annotations);
            } 
            else 
            {
                TrackingDataItem item = null; 
                PropertyHelper.GetProperty(_name, root, _annotations, out item);
                if (null != item)
                    items.Add(item);
            } 
        }
 
        #endregion 
    }
    ///  
    /// Used to extract data members from an activity in a workflow instance.
    /// 
    [Serializable]
    public class ActivityDataTrackingExtract : TrackingExtract 
    {
        #region Private DataMembers 
 
        private string _name = null;
        private TrackingAnnotationCollection _annotations = new TrackingAnnotationCollection(); 

        #endregion

        #region Constructors 

        ///  
        /// Default constructor. 
        /// 
        public ActivityDataTrackingExtract() 
        {
        }
        /// 
        /// Construct with a Member list. 
        /// 
        /// List of "." delineated property names 
        public ActivityDataTrackingExtract(string member) 
        {
            _name = member; 
        }

        #endregion
 
        #region TrackingExtract
 
        public override string Member 
        {
            get { return _name; } 
            set { _name = value; }
        }

        public override TrackingAnnotationCollection Annotations 
        {
            get { return _annotations; } 
        } 

        internal override void GetData(Activity activity, IServiceProvider provider, IList items) 
        {

            if ((null == _name) || (0 == _name.Trim().Length))
            { 
                //
                // If we don't have a name we get everything 
                PropertyHelper.GetAllMembers(activity, items, _annotations); 
            }
            else 
            {
                TrackingDataItem item = null;
                PropertyHelper.GetProperty(_name, activity, _annotations, out item);
                if (null != item) 
                    items.Add(item);
            } 
        } 
        #endregion
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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TrackingExtract.cs source code in C# .NET

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