HelixGroupSelectionStrategy (venice API)

All Known Implementing Classes:

HelixGroupLeastLoadedStrategy, HelixGroupRoundRobinStrategy, HelixGroupSelector
```
public interface HelixGroupSelectionStrategy
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`finishRequest(long requestId, int groupId)`	Notify the corresponding Helix Group that the request is completed, and the implementation will decide whether any cleanup is required or not.
`int`	`getAvgGroupPendingRequest()`	Get the average of the pending requests among all the groups
`int`	`getMaxGroupPendingRequest()`	Get the maximum of the pending requests among all the groups
`int`	`getMinGroupPendingRequest()`	Get the minimum of the pending requests among all the groups
`int`	`selectGroup(long requestId, int groupCount)`	Select a Helix Group for the current request.

- Method Detail
  - selectGroup
```
int selectGroup(long requestId,
                int groupCount)
```
    Select a Helix Group for the current request.
  - finishRequest
```
void finishRequest(long requestId,
                   int groupId)
```
    Notify the corresponding Helix Group that the request is completed, and the implementation will decide whether any cleanup is required or not.
  - getMaxGroupPendingRequest
```
int getMaxGroupPendingRequest()
```
    Get the maximum of the pending requests among all the groups
  - getMinGroupPendingRequest
```
int getMinGroupPendingRequest()
```
    Get the minimum of the pending requests among all the groups
  - getAvgGroupPendingRequest
```
int getAvgGroupPendingRequest()
```
    Get the average of the pending requests among all the groups