public override Task SafeExecute(QueryContext <IProcessor> args)
{
// Get needed properties.
var element = args.GetPropertyValueOrNull <XElement>(GetProcessorProperties.XElement);
var attribute = args.GetPropertyValueOrNull <string>(GetProcessorProperties.ProcessorTypeAttribute);
// Check attribute presence.
XAttribute typeAttribute = element.Attribute(attribute);
if (typeAttribute == null)
{
args.AddWarning($"Attribute that should contain processor type [{attribute}] was not found. Try reviewing the XML element.");
return(Done);
}
// Get processor type name and assembly.
var processorType = typeAttribute.Value;
// Add property to the dictionary.
if (!string.IsNullOrWhiteSpace(processorType))
{
args.AddOrSkipPropertyIfExists(GetProcessorProperties.ProcessorTypeString, processorType);
}
else
{
args.AddWarning("The processor type contains an empty string.");
}
return(Done);
}
public override Task SafeExecute(QueryContext <IProcessor> args)
{
var typeObject = args.GetPropertyValueOrNull <Type>(GetProcessorProperties.ProcessorType);
var childValues = args.GetPropertyValueOrDefault(
GetProcessorProperties.ChildrenValues, Enumerable.Empty <KeyValuePair <string, string> >());
var constructors = typeObject.GetConstructors();
foreach (var constructor in constructors.OrderByDescending(x => x.GetParameters().Length))
{
var parameters = constructor.GetParameters();
if (parameters.Length > childValues.Count())
{
continue;
}
if (parameters.Select(x => x.Name).Intersect(childValues.Select(x => x.Key)).Count() != parameters.Length)
{
continue;
}
args.AddOrSkipPropertyIfExists(GetProcessorProperties.Constructor, constructor);
break;
}
return(Done);
}
public override Task SafeExecute(QueryContext <IProcessor> args)
{
var children = args.GetPropertyValueOrNull <IEnumerable <XElement> >(GetProcessorProperties.Children);
var childrenValues = children.ToDictionary(child => child.Name.LocalName, child => child.Value);
args.AddOrSkipPropertyIfExists(GetProcessorProperties.ChildrenValues, childrenValues);
return(Done);
}
public override Task SafeExecute(QueryContext <IProcessor> args)
{
var element = args.GetPropertyValueOrNull <XElement>(GetProcessorProperties.XElement);
if (!element.HasElements)
{
return(Done);
}
args.AddOrSkipPropertyIfExists(GetProcessorProperties.Children, element.Elements());
return(Done);
}
public override Task SafeExecute(QueryContext <IProcessor> args)
{
var constructor = args.GetPropertyValueOrNull <ConstructorInfo>(GetProcessorProperties.Constructor);
var childValues = args.GetPropertyValueOrDefault(
GetProcessorProperties.ChildrenValues, Enumerable.Empty <KeyValuePair <string, string> >());
var parameters = constructor.GetParameters().Select(x => x.Name).Join(childValues, x => x, x => x.Key, (x, y) => y.Value).Cast <object>().ToArray();
var instance = constructor.Invoke(parameters);
args.AddOrSkipPropertyIfExists(GetProcessorProperties.Instance, instance);
return(Done);
}
public override Task SafeExecute(QueryContext <IProcessor> args)
{
var type = args.GetPropertyValueOrNull <string>(GetProcessorProperties.ProcessorTypeString);
var typeObject = Type.GetType(type);
if (typeObject == null)
{
args.AddWarning($"Cannot obtain a type of the processor [{type}].");
return(Done);
}
args.AddOrSkipPropertyIfExists(GetProcessorProperties.ProcessorType, typeObject);
return(Done);
}