public void RemoveOrderByField(string field)
{
if (_orderByField != null)
{
if (_orderByField is CompoundField)
{
CompoundField obf = (CompoundField)_orderByField;
obf.RemoveField(field);
}
else
{
_orderByField = null;
}
}
}
public void RemoveGroupByField(string field)
{
if (_groupByField != null)
{
if (_groupByField is CompoundField)
{
CompoundField gbf = (CompoundField)_groupByField;
gbf.RemoveField(field);
}
else
{
_groupByField = null;
}
}
}
public void AddOrderByField(IEvaluable field, SortOrder order)
{
if (_orderByField == null)
{
_orderByField = new Field(field, Field.FieldType.Ordered, order);
}
else if (_orderByField is CompoundField)
{
CompoundField obf = (CompoundField)_orderByField;
obf.AddField(new Field(field, Field.FieldType.Ordered, order));
}
else
{
CompoundField obf = new CompoundField(Field.FieldType.Ordered);
obf.AddField(_orderByField);
obf.AddField(new Field(field, Field.FieldType.Ordered, order));
_orderByField = obf;
}
}
public void AddGroupByField(IEvaluable field)
{
if (_groupByField == null)
{
_groupByField = new Field(field, Field.FieldType.Grouped);
}
else if (_groupByField is CompoundField)
{
CompoundField gbf = (CompoundField)_groupByField;
gbf.AddField(new Field(field, Field.FieldType.Grouped));
}
else
{
CompoundField gbf = new CompoundField(Field.FieldType.Grouped);
gbf.AddField(_groupByField);
gbf.AddField(new Field(field, Field.FieldType.Grouped));
_groupByField = gbf;
}
}
public void AddDistinctField(IEvaluable projection)
{
if (_distinctField == null)
{
_distinctField = new Field(projection, Field.FieldType.Distinct);
}
else
{
var compoundField = _distinctField as CompoundField;
if (compoundField != null)
{
compoundField.AddField(new Field(projection, Field.FieldType.Distinct));
}
else
{
CompoundField field = new CompoundField(Field.FieldType.Distinct);
field.AddField(_distinctField);
field.AddField(new Field(projection, Field.FieldType.Distinct));
}
}
}