mcs/class/referencesource/System.Workflow.Runtime/WorkflowEventArgs.cs

   1 // ****************************************************************************
   2 // Copyright (C) Microsoft Corporation.  All rights reserved.
   3 //
   4
   5 using System;
   6 using System.IO;
   7 using System.Threading;
   8 using System.Diagnostics;
   9 using System.Globalization;
  10 using System.Collections;
  11 using System.Collections.Generic;
  12 using System.Collections.ObjectModel;
  13
  14 using System.Workflow.Runtime;
  15 using System.Workflow.ComponentModel;
  16 using System.Workflow.Runtime.Hosting;
  17
  18 namespace System.Workflow.Runtime
  19 {
  20
  21     [Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
  22     public class WorkflowEventArgs : EventArgs
  23     {
  24         private WorkflowInstance _instance;
  25
  26         internal WorkflowEventArgs(WorkflowInstance instance)
  27         {
  28             _instance = instance;
  29         }
  30
  31         public WorkflowInstance WorkflowInstance
  32         {
  33             get
  34             {
  35                 return _instance;
  36             }
  37         }
  38     }
  39
  40     [Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
  41     public class WorkflowCompletedEventArgs : WorkflowEventArgs
  42     {
  43         private Dictionary<String, Object> _outputParameters;
  44         private Activity _originalWorkflowDefinition;
  45         private Activity _workflowDefinition;
  46
  47         internal WorkflowCompletedEventArgs(WorkflowInstance instance, Activity workflowDefinition)
  48             : base(instance)
  49         {
  50             this._outputParameters = new Dictionary<String, Object>();
  51             this._originalWorkflowDefinition = workflowDefinition;
  52             this._workflowDefinition = null;
  53         }
  54
  55         public Dictionary<String, Object> OutputParameters
  56         {
  57             get
  58             {
  59                 return this._outputParameters;
  60             }
  61         }
  62
  63         public Activity WorkflowDefinition
  64         {
  65             get
  66             {
  67                 if (this._workflowDefinition == null)
  68                 {
  69                     using (new WorkflowDefinitionLock(this._originalWorkflowDefinition))
  70                     {
  71                         if (this._workflowDefinition == null)
  72                         {
  73                             // Clone the original definition after locking the
  74                             // definition's sync object which was passed in
  75                             // the constructor.  This is so that the host cannot
  76                             // corrupt the shared definition
  77                             Activity tempDefinition = this._originalWorkflowDefinition.Clone();
  78                             Thread.MemoryBarrier();
  79                             this._workflowDefinition = tempDefinition;
  80                         }
  81                     }
  82                 }
  83
  84                 return this._workflowDefinition;
  85             }
  86         }
  87     }
  88
  89     [Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
  90     public class WorkflowSuspendedEventArgs : WorkflowEventArgs
  91     {
  92         private String _error;
  93
  94         internal WorkflowSuspendedEventArgs(WorkflowInstance instance, String error)
  95             : base(instance)
  96         {
  97             this._error = error;
  98         }
  99
 100         public String Error
 101         {
 102             get
 103             {
 104                 return this._error;
 105             }
 106         }
 107     }
 108
 109     [Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
 110     public class WorkflowTerminatedEventArgs : WorkflowEventArgs
 111     {
 112         private Exception exception;
 113
 114         internal WorkflowTerminatedEventArgs(WorkflowInstance instance, String error)
 115             : base(instance)
 116         {
 117             this.exception = new WorkflowTerminatedException(error);
 118         }
 119         internal WorkflowTerminatedEventArgs(WorkflowInstance instance, Exception e)
 120             : base(instance)
 121         {
 122             this.exception = e;
 123         }
 124
 125         public Exception Exception
 126         {
 127             get
 128             {
 129                 return this.exception;
 130             }
 131         }
 132     }
 133
 134     internal sealed class WorkflowDefinitionEventArgs : EventArgs
 135     {
 136         private Type _workflowType;
 137         private byte[] _xomlHashCode;
 138
 139         internal WorkflowDefinitionEventArgs(Type scheduleType)
 140         {
 141             _workflowType = scheduleType;
 142         }
 143
 144         internal WorkflowDefinitionEventArgs(byte[] scheduleDefHash)
 145         {
 146             _xomlHashCode = scheduleDefHash;
 147         }
 148
 149         public Type WorkflowType
 150         {
 151             get
 152             {
 153                 return _workflowType;
 154             }
 155         }
 156
 157         public byte[] WorkflowDefinitionHashCode
 158         {
 159             get
 160             {
 161                 return _xomlHashCode;
 162             }
 163         }
 164     }
 165 }