GroupResolver (Mckoi SQL Database (MckoiSQLDB) 1.0.6 API)

```
public interface GroupResolver
```
Similar to VariableResolver, this method is used by grouping Functions to find information about the current group being evaluated (used for evaluating aggregate functions).

Author:

Tobias Downer

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`VariableResolver`	`getVariableResolver(int set_index)`	Returns a VariableResolver that can be used to resolve variable in the get set of the group.
`int`	`groupID()`	A number that uniquely identifies this group from all the others in the set of groups.
`TObject`	`resolve(Variable variable, int set_index)`	Returns the value of a variable of a group.
`int`	`size()`	The total number of set items in this group.

- Method Detail
  - groupID
```
int groupID()
```
    A number that uniquely identifies this group from all the others in the set of groups.
  - size
```
int size()
```
    The total number of set items in this group.
  - resolve
```
TObject resolve(Variable variable,
                int set_index)
```
    Returns the value of a variable of a group. The set index signifies the set item of the group. For example, if the group contains 10 items, then set_index may be between 0 and 9. Return types must be either a String, BigDecimal or Boolean.
  - getVariableResolver
```
VariableResolver getVariableResolver(int set_index)
```
    Returns a VariableResolver that can be used to resolve variable in the get set of the group. The object returned is undefined after the next call to this method.