private static void GetSelection(IFilterData data, out ParameterExpression parameterExp, out Expression propertyExp)
{
var childTree = FilterDataHelper.CreateChildTree(data);
var parentData = GetParent(childTree);
parameterExp = Expression.Variable(parentData.PropertyType);
propertyExp = CreatePropertyOrSelect(childTree, parameterExp, data);
}
private static void CreateParameters(IFilterData data, object value, out ParameterExpression parameterExp, out ConstantExpression constExp, out Expression propertyExp)
{
var childTree = FilterDataHelper.CreateChildTree(data);
var parentData = GetParent(childTree);
parameterExp = Expression.Variable(parentData.PropertyType);
constExp = Expression.Constant(value);
propertyExp = CreatePropertyExp(childTree, parameterExp);
}