public IFilter GetColumnName(MemberExpression body)
{
if (body == null)
{
throw new ArgumentNullException("memberExpression");
}
var entityName = _entityInfos.GetNameForType(typeof(T));
var entityInfo = _entityInfos[entityName];
var property = body.Member;
var requestedProperty = entityInfo.GetField(property);
if (requestedProperty == null)
{
throw new NotSupportedException(string.Format("Type doesn't contains member expression property. Requested type:{0}. Property name:{1}.", typeof(T), property.Name));
}
return(_filterFactory.ToColumnValue(entityInfo, requestedProperty.FieldName));
}