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

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

public class OpenIndexTask
extends PerfTask

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

Accepts a param specifying the commit point as previously saved with CommitIndexTask. If you specify this, it rolls the index back to that commit on opening the IndexWriter.


Field Summary
static int DEFAULT_MAX_BUFFERED
           
static int DEFAULT_MAX_FIELD_LENGTH
           
static int DEFAULT_MERGE_PFACTOR
           
static double DEFAULT_RAM_FLUSH_MB
           
 
Fields inherited from class org.apache.lucene.benchmark.byTask.tasks.PerfTask
logStep, NEW_LINE, params, stopNow
 
Constructor Summary
OpenIndexTask(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 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

DEFAULT_MAX_BUFFERED

public static final int DEFAULT_MAX_BUFFERED
See Also:
Constant Field Values

DEFAULT_MAX_FIELD_LENGTH

public static final int DEFAULT_MAX_FIELD_LENGTH

DEFAULT_MERGE_PFACTOR

public static final int DEFAULT_MERGE_PFACTOR
See Also:
Constant Field Values

DEFAULT_RAM_FLUSH_MB

public static final double DEFAULT_RAM_FLUSH_MB
See Also:
Constant Field Values
Constructor Detail

OpenIndexTask

public OpenIndexTask(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.


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