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namespace System.Workflow.ComponentModel.Compiler
{
using System;
using System.Workflow.ComponentModel.Design;
#region Class CompositeActivityValidator
[Obsolete("The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*")]
public class CompositeActivityValidator : ActivityValidator
{
public override ValidationErrorCollection Validate(ValidationManager manager, object obj)
{
CompositeActivity compositeActivity = obj as CompositeActivity;
if (compositeActivity == null)
throw new ArgumentException(SR.GetString(SR.Error_UnexpectedArgumentType, typeof(CompositeActivity).FullName), "obj");
if (Helpers.IsActivityLocked(compositeActivity))
return new ValidationErrorCollection();
ValidationErrorCollection validationErrors = base.Validate(manager, obj);
// check if more than one cancellation handler or compensation or fault handlers are specified
int cancelHandlerCount = 0;
int exceptionHandlersCount = 0;
int compensationHandlerCount = 0;
foreach (Activity activity in ((ISupportAlternateFlow)compositeActivity).AlternateFlowActivities)
{
cancelHandlerCount += (activity is CancellationHandlerActivity) ? 1 : 0;
exceptionHandlersCount += (activity is FaultHandlersActivity) ? 1 : 0;
compensationHandlerCount += (activity is CompensationHandlerActivity) ? 1 : 0;
}
// check cancellation handlers
if (cancelHandlerCount > 1)
validationErrors.Add(new ValidationError(SR.GetString(SR.Error_MoreThanOneCancelHandler, compositeActivity.GetType().Name), ErrorNumbers.Error_ScopeMoreThanOneEventHandlersDecl));
// check exception handlers
if (exceptionHandlersCount > 1)
validationErrors.Add(new ValidationError(SR.GetString(SR.Error_MoreThanOneFaultHandlersActivityDecl, compositeActivity.GetType().Name), ErrorNumbers.Error_ScopeMoreThanOneFaultHandlersActivityDecl));
// check compensation handlers
if (compensationHandlerCount > 1)
validationErrors.Add(new ValidationError(SR.GetString(SR.Error_MoreThanOneCompensationDecl, compositeActivity.GetType().Name), ErrorNumbers.Error_ScopeMoreThanOneCompensationDecl));
if (manager.ValidateChildActivities)
{
foreach (Activity childActivity in Helpers.GetAllEnabledActivities(compositeActivity))
validationErrors.AddRange(ValidationHelpers.ValidateActivity(manager, childActivity));
}
return validationErrors;
}
public override ValidationError ValidateActivityChange(Activity activity, ActivityChangeAction action)
{
if (activity == null)
throw new ArgumentNullException("activity");
if (action == null)
throw new ArgumentNullException("action");
if (activity.ExecutionStatus != ActivityExecutionStatus.Initialized &&
activity.ExecutionStatus != ActivityExecutionStatus.Executing &&
activity.ExecutionStatus != ActivityExecutionStatus.Closed)
{
return new ValidationError(SR.GetString(SR.Error_DynamicActivity, activity.QualifiedName, Enum.GetName(typeof(ActivityExecutionStatus), activity.ExecutionStatus)), ErrorNumbers.Error_DynamicActivity);
}
return null;
}
}
#endregion
}
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