SpeculativeRequestExecutionPolicy (Apache BookKeeper :: Parent 4.18.0-SNAPSHOT API)

All Known Implementing Classes:

DefaultSpeculativeRequestExecutionPolicy
```
public interface SpeculativeRequestExecutionPolicy
```
Define a policy for speculative request execution.
The implementation can define its execution policy. For example, when to issue speculative requests and how many speculative requests to issue.

Since:

4.5

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.concurrent.ScheduledFuture<?>`	`initiateSpeculativeRequest(java.util.concurrent.ScheduledExecutorService scheduler, SpeculativeRequestExecutor requestExecutor)`	Initialize the speculative request execution policy and initiate requests.

- Method Detail
  - initiateSpeculativeRequest
```
java.util.concurrent.ScheduledFuture<?> initiateSpeculativeRequest(java.util.concurrent.ScheduledExecutorService scheduler,
                                                                   SpeculativeRequestExecutor requestExecutor)
```
    Initialize the speculative request execution policy and initiate requests.
    
    Parameters:
    
    scheduler - The scheduler service to issue the speculative request
    
    requestExecutor - The executor is used to issue the actual speculative requests
    
    Returns:
    
    ScheduledFuture, in case caller needs to cancel it.