void ValidateWorkflow(WorkflowInstanceExtensionManager extensionManager)
{
if (!WorkflowDefinition.IsRuntimeReady)
{
LocationReferenceEnvironment localEnvironment = this.hostEnvironment;
if (localEnvironment == null)
{
LocationReferenceEnvironment parentEnvironment = null;
if (extensionManager != null && extensionManager.SymbolResolver != null)
{
parentEnvironment = extensionManager.SymbolResolver.AsLocationReferenceEnvironment();
}
localEnvironment = new ActivityLocationReferenceEnvironment(parentEnvironment);
}
IList <ValidationError> validationErrors = null;
ActivityUtilities.CacheRootMetadata(WorkflowDefinition, localEnvironment, ProcessActivityTreeOptions.FullCachingOptions, null, ref validationErrors);
ActivityValidationServices.ThrowIfViolationsExist(validationErrors);
}
}
private static bool RequiresCompilation(IDynamicActivity dynamicActivity, LocationReferenceEnvironment environment, out string language)
{
language = null;
if (!((Activity)dynamicActivity).IsMetadataCached)
{
IList <ValidationError> validationErrors = null;
if (environment == null)
{
environment = new ActivityLocationReferenceEnvironment {
CompileExpressions = true
};
}
try
{
ActivityUtilities.CacheRootMetadata((Activity)dynamicActivity, environment, ProcessActivityTreeOptions.FullCachingOptions, null, ref validationErrors);
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.CompiledExpressionsCacheMetadataException(dynamicActivity.Name, e.ToString())));
}
}
DynamicActivityVisitor vistor = new DynamicActivityVisitor();
vistor.Visit((Activity)dynamicActivity, true);
if (!vistor.RequiresCompilation)
{
return(false);
}
if (vistor.HasLanguageConflict)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.DynamicActivityMultipleExpressionLanguages(vistor.GetConflictingLanguages().AsCommaSeparatedValues())));
}
language = vistor.Language;
return(true);
}
