UserDefinedAggregate (Teiid 15.0.0 API)

Type Parameters:

T -

All Known Subinterfaces:

ExposedStateUserDefinedAggregate<T>

All Known Implementing Classes:

GeometryUtils.Extent
```
public interface UserDefinedAggregate<T>
```
Interface to be implemented by a user defined aggregate function.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`T`	`getResult(CommandContext commandContext)`	Called to get the current value.
`void`	`reset()`	Called when state from the current partition can be forgotten

- Method Detail
  - reset
```
void reset()
```
    Called when state from the current partition can be forgotten
  - getResult
```
T getResult(CommandContext commandContext)
```
    Called to get the current value. May be called multiple times in the same partition for windowed aggregates.
    
    Parameters:
    
    commandContext -
    
    Returns: