RollbackIndexTask (Lucene 9.0.0 benchmark API)

java.lang.Object
- org.apache.lucene.benchmark.byTask.tasks.PerfTask
- - org.apache.lucene.benchmark.byTask.tasks.RollbackIndexTask

All Implemented Interfaces:

Cloneable
```
public class RollbackIndexTask
extends PerfTask
```
Rollback the index writer.

Field Summary
- Fields inherited from class org.apache.lucene.benchmark.byTask.tasks.PerfTask
  logStep, NEW_LINE, params, stopNow

Constructor Summary

Constructors
Constructor Description

RollbackIndexTask(PerfRunData runData)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`doLogic()`	Perform the task once (ignoring repetitions specification) Return number of work items done by this task.

Methods inherited from class org.apache.lucene.benchmark.byTask.tasks.PerfTask
clone, close, getAlgLineNum, getBackgroundDeltaPriority, getDepth, getLogMessage, getName, getParams, getRunData, getRunInBackground, isDisableCounting, runAndMaybeStats, setAlgLineNum, setDepth, setDisableCounting, setName, setParams, setRunInBackground, setup, shouldNeverLogAtStart, shouldNotRecordStats, stopNow, supportsParams, tearDown, toString

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - RollbackIndexTask
```
public RollbackIndexTask(PerfRunData runData)
```
- Method Detail
  - doLogic
```
public int doLogic()
            throws IOException
```
    Description copied from class: PerfTask
    
    Perform the task once (ignoring repetitions specification) Return number of work items done by this task. For indexing that can be number of docs added. For warming that can be number of scanned items, etc.
    
    Specified by:
    
    doLogic in class PerfTask
    
    Returns:
    
    number of work items done by this task.
    
    Throws:
    
    IOException