org.apache.lucene.benchmark.byTask.tasks
Class OpenReaderTask

java.lang.Object
  extended by org.apache.lucene.benchmark.byTask.tasks.PerfTask
      extended by org.apache.lucene.benchmark.byTask.tasks.OpenReaderTask
All Implemented Interfaces:
Cloneable

public class OpenReaderTask
extends PerfTask

Open an index reader.
Other side effects: index reader object in perfRunData is set.
Optional params readOnly,commitUserData eg. OpenReader(false,commit1)


Field Summary
static String USER_DATA
           
 
Fields inherited from class org.apache.lucene.benchmark.byTask.tasks.PerfTask
logStep, NEW_LINE, params, stopNow
 
Constructor Summary
OpenReaderTask(PerfRunData runData)
           
 
Method Summary
 int doLogic()
          Perform the task once (ignoring repetitions specification) Return number of work items done by this task.
static IndexCommit findIndexCommit(Directory dir, String userData)
           
 void setParams(String params)
          Set the params of this task.
 boolean supportsParams()
          Sub classes that supports 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
 

Field Detail

USER_DATA

public static final String USER_DATA
See Also:
Constant Field Values
Constructor Detail

OpenReaderTask

public OpenReaderTask(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

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 supports parameters must override this method to return true.

Overrides:
supportsParams in class PerfTask
Returns:
true iff this task supports command line params.

findIndexCommit

public static IndexCommit findIndexCommit(Directory dir,
                                          String userData)
                                   throws IOException
Throws:
IOException


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