org.apache.lucene.benchmark.byTask.tasks

## Class ForceMergeTask

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

- All Implemented Interfaces:
    Cloneable

      public class ForceMergeTask
      extends PerfTask

  Runs forceMerge on the index.
  Other side effects: none.

- - ### Field Summary

    - ### Fields inherited from class org.apache.lucene.benchmark.byTask.tasks.PerfTask

      `logStep, NEW_LINE, params, stopNow`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ForceMergeTask(PerfRunData runData)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `int` | `doLogic()` Perform the task once (ignoring repetitions specification) Return number of work items done by this task.
    `void` | `setParams(String params)` Set the params of this task.
    `boolean` | `supportsParams()` Sub classes that support parameters must override this method to return true.

    - ### 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, setRunInBackground, setup, shouldNeverLogAtStart, shouldNotRecordStats, stopNow, tearDown, toString`

    - ### Methods inherited from class java.lang.Object

      `equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### ForceMergeTask

          public ForceMergeTask(PerfRunData runData)

  - ### Method Detail

    - #### doLogic

          public int doLogic()
                      throws Exception

      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:
        `Exception`

    - #### setParams

          public void setParams(String params)

      Description copied from class: `PerfTask`
      Set the params of this task.
      Overrides:
        `setParams` in class `PerfTask`

    - #### supportsParams

          public boolean supportsParams()

      Description copied from class: `PerfTask`
      Sub classes that support parameters must override this method to return true.
      Overrides:
        `supportsParams` in class `PerfTask`
      Returns:
        true iff this task supports command line params.

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