## org.apache.lucene.benchmark.byTask.tasks
Class CreateIndexTask

    java.lang.Object
      org.apache.lucene.benchmark.byTask.tasks.PerfTask
          org.apache.lucene.benchmark.byTask.tasks.CreateIndexTask

All Implemented Interfaces:
  Cloneable

    public class CreateIndexTask

extends PerfTask

Create an index.
Other side effects: index writer object in perfRunData is set.
Relevant properties: `merge.factor, max.buffered, max.field.length, ram.flush.mb [default 0], autocommit [default true]`.

Field Summary

Fields inherited from class org.apache.lucene.benchmark.byTask.tasks.PerfTask
`NEW_LINE, params`

Constructor Summary
`CreateIndexTask(PerfRunData runData)`

Method Summary
`int` `doLogic()` Perform the task once (ignoring repetions specification) Return number of work items done by this task.
`static void` `setIndexWriterConfig(IndexWriter writer, Config config)`

Methods inherited from class org.apache.lucene.benchmark.byTask.tasks.PerfTask
`clone, getDepth, getName, getParams, getRunData, isDisableCounting, runAndMaybeStats, setDepth, setDisableCounting, setName, setParams, setup, shouldNeverLogAtStart, shouldNotRecordStats, supportsParams, tearDown, toString`

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

Constructor Detail

### CreateIndexTask

    public CreateIndexTask(PerfRunData runData)

Method Detail

### setIndexWriterConfig

    public static void setIndexWriterConfig(IndexWriter writer,
                                            Config config)
                                     throws IOException

  Throws:
    `IOException`

### doLogic

    public int doLogic()
                throws IOException

  Description copied from class: `PerfTask`
  Perform the task once (ignoring repetions 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`

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