public Query and(string field, Query query)
{
try
{
List <Dictionary <string, Dictionary <string, object> > > list = new List <Dictionary <string, Dictionary <string, object> > >();
Dictionary <string, object> queryParam1 = (Dictionary <string, Object>)query.getQueryInfo().GetValueOrDefault(field);
Dictionary <string, object> queryParam2 = (Dictionary <string, Object>)queryInfo.GetValueOrDefault(field);
Dictionary <string, Dictionary <string, object> > parameter1 = new Dictionary <string, Dictionary <string, object> >();
parameter1.Add(field, queryParam1);
Dictionary <string, Dictionary <String, Object> > parameter2 = new Dictionary <string, Dictionary <string, object> >();
parameter2.Add(field, queryParam2);
list.Add(parameter1);
list.Add(parameter2);
queryInfo.Remove(field);
queryInfo.Add("$and", list);
}
catch (Exception ex)
{
//e.printStackTrace();
throw ex;
}
return(this);
}