Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Workflow.Runtime/Hosting/WorkflowRuntimeService.cs

@@ -0,0 +1,102 @@
+// <copyright file="WorkflowRuntimeService.cs" company="Microsoft">Copyright (c) Microsoft Corporation.  All rights reserved.</copyright>
+
+using System;
+using System.Globalization;
+
+using System.Workflow.Runtime;
+
+namespace System.Workflow.Runtime.Hosting
+{
+    [Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
+    public enum WorkflowRuntimeServiceState
+    {
+        Stopped,
+        Starting,
+        Started,
+        Stopping
+    }
+
+    [Obsolete("The System.Workflow.* types are deprecated.  Instead, please use the new types from System.Activities.*")]
+    abstract public class WorkflowRuntimeService
+    {
+        private WorkflowRuntime _runtime;
+        private WorkflowRuntimeServiceState state = WorkflowRuntimeServiceState.Stopped;
+
+        protected WorkflowRuntime Runtime
+        {
+            get
+            {
+                return _runtime;
+            }
+
+        }
+
+        internal void SetRuntime(WorkflowRuntime runtime)
+        {
+            if (runtime == null && _runtime != null)
+            {
+                _runtime.Started -= this.HandleStarted;
+                _runtime.Stopped -= this.HandleStopped;
+            }
+            _runtime = runtime;
+            if (runtime != null)
+            {
+                _runtime.Started += this.HandleStarted;
+                _runtime.Stopped += this.HandleStopped;
+            }
+        }
+
+        protected void RaiseServicesExceptionNotHandledEvent(Exception exception, Guid instanceId)
+        {
+            Runtime.RaiseServicesExceptionNotHandledEvent(exception, instanceId);
+        }
+
+        internal void RaiseExceptionNotHandledEvent(Exception exception, Guid instanceId)
+        {
+            Runtime.RaiseServicesExceptionNotHandledEvent(exception, instanceId);
+        }
+
+        protected WorkflowRuntimeServiceState State
+        {
+            get { return state; }
+        }
+
+        virtual internal protected void Start()
+        {
+            if (_runtime == null)
+                throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, ExecutionStringManager.ServiceNotAddedToRuntime, this.GetType().Name));
+            if (state.Equals(WorkflowRuntimeServiceState.Started))
+                throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, ExecutionStringManager.ServiceAlreadyStarted, this.GetType().Name));
+
+            state = WorkflowRuntimeServiceState.Starting;
+        }
+
+        virtual internal protected void Stop()
+        {
+            if (_runtime == null)
+                throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, ExecutionStringManager.ServiceNotAddedToRuntime, this.GetType().Name));
+            if (state.Equals(WorkflowRuntimeServiceState.Stopped))
+                throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, ExecutionStringManager.ServiceNotStarted, this.GetType().Name));
+
+            state = WorkflowRuntimeServiceState.Stopping;
+        }
+
+        virtual protected void OnStarted()
+        { }
+
+        virtual protected void OnStopped()
+        { }
+
+        private void HandleStarted(object source, WorkflowRuntimeEventArgs e)
+        {
+            state = WorkflowRuntimeServiceState.Started;
+            this.OnStarted();
+        }
+
+        private void HandleStopped(object source, WorkflowRuntimeEventArgs e)
+        {
+            state = WorkflowRuntimeServiceState.Stopped;
+            this.OnStopped();
+        }
+    }
+}