private object[] BindParametesValues(IEnumerable <IParameterInput> inputParameters)
{
var parameters = new object[Parameters.Count];
var values = new ParameterValuesList <MethodParameter>(Parameters);
foreach (var inputParameter in inputParameters)
{
values.SetParameterValue(inputParameter);
}
var allValues = values.GetParameterValues();
foreach (var defPrm in Parameters)
{
object value;
if (!allValues.TryGetValue(defPrm, out value))
{
if (defPrm.AllowsDefaultValue)
{
parameters[defPrm.PositionIndex] = defPrm.DefaultValue;
continue;
}
throw new Exception($"{defPrm.Name} parameter value wasn't supplied");
}
parameters[defPrm.PositionIndex] = defPrm.IsCollection
? CollectionConstructor.CreateInstance(defPrm.Type, value)
: value;
}
return(parameters);
}
public PropertyParameter(PropertyInfo property, CommandParameterDescriptor description) :
base(description)
{
Property = property;
ValueType = IsCollection
? CollectionConstructor.GetElementType(property.PropertyType)
: property.PropertyType;
}
public MethodParameter(ParameterInfo parameter)
: base(CommandParameterDescriptor.CreateFor(parameter))
{
_parameter = parameter;
ValueType = IsCollection
? CollectionConstructor.GetElementType(_parameter.ParameterType)
: _parameter.ParameterType;
Debug.Assert(!parameter.IsOut);
}
public static CommandParameterDescriptor CreateFor(PropertyInfo property)
{
var descriptor = new CommandParameterDescriptor
{
AllowsDefaultValue = true,
Name = property.Name.ToLower(),
IsCollection = CollectionConstructor.IsSupportedCollectionType(property.PropertyType),
PositionIndex = -1
};
var attr = property.GetCustomAttribute <ParameterAttribute>();
if (attr == null)
{
return(descriptor);
}
attr.SetCreateDescriptorValues(descriptor);
return(descriptor);
}
public static CommandParameterDescriptor CreateFor(ParameterInfo parameter)
{
var descriptor = new CommandParameterDescriptor
{
Name = parameter.Name.ToLower(),
AllowsDefaultValue = parameter.HasDefaultValue,
DefaultValue = parameter.DefaultValue,
IsCollection = CollectionConstructor.IsSupportedCollectionType(parameter.ParameterType),
PositionIndex = parameter.Position
};
var attr = parameter.GetCustomAttribute <ParameterAttribute>();
if (attr == null)
{
return(descriptor);
}
attr.SetCreateDescriptorValues(descriptor);
return(descriptor);
}
