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