internal ValidationContext(ActivityUtilities.ChildActivity owner, ActivityUtilities.ActivityCallStack parentChain, ProcessActivityTreeOptions options, LocationReferenceEnvironment environment)
{
this.owner = owner;
this.parentChain = parentChain;
this.options = options;
this.environment = environment;
}
internal ValidationContext(ActivityUtilities.ChildActivity owner, ActivityUtilities.ActivityCallStack parentChain, ProcessActivityTreeOptions options, LocationReferenceEnvironment environment)
{
this.owner = owner;
this.parentChain = parentChain;
this.options = options;
this.environment = environment;
}
internal ValidationResults InternalValidate()
{
this.options = ProcessActivityTreeOptions.GetValidationOptions(this.settings);
if (this.settings.OnlyUseAdditionalConstraints)
{
IList <ValidationError> validationErrors = null;
ActivityUtilities.CacheRootMetadata(this.rootToValidate, null, this.options, new ActivityUtilities.ProcessActivityCallback(this.ValidateElement), ref validationErrors);
}
else
{
ActivityUtilities.CacheRootMetadata(this.rootToValidate, null, this.options, new ActivityUtilities.ProcessActivityCallback(this.ValidateElement), ref this.errors);
}
return(new ValidationResults(this.errors));
}
internal ValidationResults InternalValidate()
{
this.options = ProcessActivityTreeOptions.GetValidationOptions(this.settings);
if (this.settings.OnlyUseAdditionalConstraints)
{
// We don't want the errors from CacheMetadata so we send those to a "dummy" list.
IList <ValidationError> suppressedErrors = null;
ActivityUtilities.CacheRootMetadata(this.rootToValidate, this.environment, this.options, new ActivityUtilities.ProcessActivityCallback(ValidateElement), ref suppressedErrors);
}
else
{
// We want to add the CacheMetadata errors to our errors collection
ActivityUtilities.CacheRootMetadata(this.rootToValidate, this.environment, this.options, new ActivityUtilities.ProcessActivityCallback(ValidateElement), ref this.errors);
}
return(new ValidationResults(this.errors));
}
internal static List <Activity> GetChildren(ActivityUtilities.ChildActivity root, ActivityUtilities.ActivityCallStack parentChain, ProcessActivityTreeOptions options)
{
ActivityUtilities.FinishCachingSubtree(root, parentChain, options);
List <Activity> listOfChildren = new List <Activity>();
foreach (Activity activity in WorkflowInspectionServices.GetActivities(root.Activity))
{
listOfChildren.Add(activity);
}
int toProcessIndex = 0;
while (toProcessIndex < listOfChildren.Count)
{
foreach (Activity activity in WorkflowInspectionServices.GetActivities(listOfChildren[toProcessIndex]))
{
listOfChildren.Add(activity);
}
toProcessIndex++;
}
return(listOfChildren);
}
private void ValidateElement(ActivityUtilities.ChildActivity childActivity, ActivityUtilities.ActivityCallStack parentChain)
{
Activity toValidate = childActivity.Activity;
if (!this.settings.SingleLevel || object.ReferenceEquals(toValidate, this.rootToValidate))
{
// 0. Open time violations are captured by the CacheMetadata walk.
// 1. Argument validations are done by the CacheMetadata walk.
// 2. Build constraints are done by the CacheMetadata walk.
// 3. Then do policy constraints
if (this.settings.HasAdditionalConstraints && childActivity.CanBeExecuted && parentChain.WillExecute)
{
bool suppressGetChildrenViolations = this.settings.OnlyUseAdditionalConstraints || this.settings.SingleLevel;
Type currentType = toValidate.GetType();
while (currentType != null)
{
if (this.settings.AdditionalConstraints.TryGetValue(currentType, out IList <Constraint> policyConstraints))
{
RunConstraints(childActivity, parentChain, policyConstraints, this.options, suppressGetChildrenViolations, ref this.errors);
}
if (currentType.IsGenericType)
{
Type genericDefinitionType = currentType.GetGenericTypeDefinition();
if (genericDefinitionType != null)
{
if (this.settings.AdditionalConstraints.TryGetValue(genericDefinitionType, out IList <Constraint> genericTypePolicyConstraints))
{
RunConstraints(childActivity, parentChain, genericTypePolicyConstraints, this.options, suppressGetChildrenViolations, ref this.errors);
}
}
}
currentType = currentType.BaseType;
}
}
//4. Validate if the argument expression subtree contains an activity that can induce idle.
if (childActivity.Activity.IsExpressionRoot)
{
if (childActivity.Activity.HasNonEmptySubtree)
{
this.expressionRoot = childActivity.Activity;
// Back-compat: In Dev10 we always used ProcessActivityTreeOptions.FullCachingOptions here, and ignored this.options.
// So we need to continue to do that, unless the new Dev11 flag SkipRootConfigurationValidation is passed.
ProcessActivityTreeOptions options = this.options.SkipRootConfigurationValidation ? this.options : ProcessActivityTreeOptions.FullCachingOptions;
ActivityUtilities.FinishCachingSubtree(childActivity, parentChain, options, ValidateExpressionSubtree);
this.expressionRoot = null;
}
else if (childActivity.Activity.InternalCanInduceIdle)
{
Activity activity = childActivity.Activity;
RuntimeArgument runtimeArgument = GetBoundRuntimeArgument(activity);
ValidationError error = new ValidationError(SR.CanInduceIdleActivityInArgumentExpression(runtimeArgument.Name, activity.Parent.DisplayName, activity.DisplayName), true, runtimeArgument.Name, activity.Parent);
ActivityUtilities.Add(ref this.errors, error);
}
}
}
}
internal static void RunConstraints(ActivityUtilities.ChildActivity childActivity, ActivityUtilities.ActivityCallStack parentChain, IList <Constraint> constraints, ProcessActivityTreeOptions options, bool suppressGetChildrenViolations, ref IList <ValidationError> validationErrors)
{
if (constraints != null)
{
Activity toValidate = childActivity.Activity;
LocationReferenceEnvironment environment = toValidate.GetParentEnvironment();
Dictionary <string, object> inputDictionary = new Dictionary <string, object>(2);
for (int constraintIndex = 0; constraintIndex < constraints.Count; constraintIndex++)
{
Constraint constraint = constraints[constraintIndex];
// there may be null entries here
if (constraint == null)
{
continue;
}
inputDictionary[Constraint.ToValidateArgumentName] = toValidate;
ValidationContext validationContext = new ValidationContext(childActivity, parentChain, options, environment);
inputDictionary[Constraint.ToValidateContextArgumentName] = validationContext;
IDictionary <string, object> results = null;
try
{
results = WorkflowInvoker.Invoke(constraint, inputDictionary);
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
ValidationError constraintExceptionValidationError = new ValidationError(SR.InternalConstraintException(constraint.DisplayName, toValidate.GetType().FullName, toValidate.DisplayName, e.ToString()), false)
{
Source = toValidate,
Id = toValidate.Id
};
ActivityUtilities.Add(ref validationErrors, constraintExceptionValidationError);
}
if (results != null)
{
if (results.TryGetValue(Constraint.ValidationErrorListArgumentName, out object resultValidationErrors))
{
IList <ValidationError> validationErrorList = (IList <ValidationError>)resultValidationErrors;
if (validationErrorList.Count > 0)
{
if (validationErrors == null)
{
validationErrors = new List <ValidationError>();
}
string prefix = ActivityValidationServices.GenerateValidationErrorPrefix(childActivity.Activity, parentChain, options, out Activity source);
for (int validationErrorIndex = 0; validationErrorIndex < validationErrorList.Count; validationErrorIndex++)
{
ValidationError validationError = validationErrorList[validationErrorIndex];
validationError.Source = source;
validationError.Id = source.Id;
if (!string.IsNullOrEmpty(prefix))
{
validationError.Message = prefix + validationError.Message;
}
validationErrors.Add(validationError);
}
}
}
}
if (!suppressGetChildrenViolations)
{
validationContext.AddGetChildrenErrors(ref validationErrors);
}
}
}
}
static internal string GenerateValidationErrorPrefix(Activity toValidate, ActivityUtilities.ActivityCallStack parentChain, ProcessActivityTreeOptions options, out Activity source)
{
bool parentVisible = true;
string prefix = "";
source = toValidate;
// Processing for implementation of activity
// during build time
if (options.SkipRootConfigurationValidation)
{
// Check if the activity is a implementation child
if (toValidate.MemberOf.Parent != null)
{
// Check if activity is an immediate implementation child
// of x:class activity. This means that the activity is
// being designed and hence we do not want to add the
// prefix at build time
if (toValidate.MemberOf.Parent.Parent == null)
{
prefix = "";
source = toValidate;
}
else
{
// This means the activity is a child of immediate implementation child
// of x:class activity which means the activity is not visible.
// The source points to the first visible parent activity in the
// parent chain.
while (source.MemberOf.Parent.Parent != null)
{
source = source.Parent;
}
prefix = SR.ValidationErrorPrefixForHiddenActivity(source);
}
return(prefix);
}
}
// Find out if any of the parents of the activity are not publicly visible
for (int i = 0; i < parentChain.Count; i++)
{
if (parentChain[i].Activity.MemberOf.Parent != null)
{
parentVisible = false;
break;
}
}
// Figure out the source of validation error:
// - For hidden activity - source will be closest visible public parent
// - For visible activity - source will be the activity itself
// In current design an activity is visible only if it is in the root id space.
// In future, if we provide a knob for the user to specify the
// id spaces that are visible, then this check needs to be changed
// to iterate over the parentChain and find the closest parent activity that
// is in the visible id spaces.
while (source.MemberOf.Parent != null)
{
source = source.Parent;
}
if (toValidate.MemberOf.Parent != null)
{
// Activity itself is hidden
prefix = SR.ValidationErrorPrefixForHiddenActivity(source);
}
else
{
if (!parentVisible)
{
// Activity itself is public but has a private parent
prefix = SR.ValidationErrorPrefixForPublicActivityWithHiddenParent(source.Parent, source);
}
}
return(prefix);
}
internal static void RunConstraints(ActivityUtilities.ChildActivity childActivity, ActivityUtilities.ActivityCallStack parentChain, IList <Constraint> constraints, ProcessActivityTreeOptions options, bool suppressGetChildrenViolations, ref IList <ValidationError> validationErrors)
{
if (constraints != null)
{
Activity activity = childActivity.Activity;
LocationReferenceEnvironment parentEnvironment = activity.GetParentEnvironment();
Dictionary <string, object> inputs = new Dictionary <string, object>(2);
for (int i = 0; i < constraints.Count; i++)
{
Constraint workflow = constraints[i];
if (workflow != null)
{
object obj2;
inputs["ToValidate"] = activity;
ValidationContext context = new ValidationContext(childActivity, parentChain, options, parentEnvironment);
inputs["ToValidateContext"] = context;
IDictionary <string, object> dictionary2 = null;
try
{
dictionary2 = WorkflowInvoker.Invoke(workflow, inputs);
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
ValidationError data = new ValidationError(System.Activities.SR.InternalConstraintException(workflow.DisplayName, activity.GetType().FullName, activity.DisplayName, exception.ToString()), false)
{
Source = activity,
Id = activity.Id
};
ActivityUtilities.Add <ValidationError>(ref validationErrors, data);
}
if ((dictionary2 != null) && dictionary2.TryGetValue("ViolationList", out obj2))
{
IList <ValidationError> list = (IList <ValidationError>)obj2;
if (list.Count > 0)
{
Activity activity2;
if (validationErrors == null)
{
validationErrors = new List <ValidationError>();
}
string str = GenerateValidationErrorPrefix(childActivity.Activity, parentChain, out activity2);
for (int j = 0; j < list.Count; j++)
{
ValidationError item = list[j];
item.Source = activity2;
item.Id = activity2.Id;
if (!string.IsNullOrEmpty(str))
{
item.Message = str + item.Message;
}
validationErrors.Add(item);
}
}
}
if (!suppressGetChildrenViolations)
{
context.AddGetChildrenErrors(ref validationErrors);
}
}
}
}
}
internal static List <Activity> GetChildren(ActivityUtilities.ChildActivity root, ActivityUtilities.ActivityCallStack parentChain, ProcessActivityTreeOptions options)
{
ActivityUtilities.FinishCachingSubtree(root, parentChain, options);
List <Activity> list = new List <Activity>();
foreach (Activity activity in WorkflowInspectionServices.GetActivities(root.Activity))
{
list.Add(activity);
}
for (int i = 0; i < list.Count; i++)
{
foreach (Activity activity2 in WorkflowInspectionServices.GetActivities(list[i]))
{
list.Add(activity2);
}
}
return(list);
}