ForceMergeTask (Lucene 3.6.2 API)
Keywords: org.apache.lucene.benchmark.byTask.tasks.ForceMergeTask class

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## 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
`ForceMergeTask(PerfRunData runData)`

Method Summary
`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, getBackgroundDeltaPriority, getDepth, getLogMessage, getName, getParams, getRunData, getRunInBackground, isDisableCounting, runAndMaybeStats, 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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