marf.FeatureExtraction
Class FeatureExtractionAggregator.FeatureExtractionThread

java.lang.Object
  java.lang.Thread
      marf.util.BaseThread
          marf.FeatureExtraction.FeatureExtractionAggregator.FeatureExtractionThread

All Implemented Interfaces:

java.lang.Runnable

Enclosing class:

FeatureExtractionAggregator

public class FeatureExtractionAggregator.FeatureExtractionThread
extends BaseThread

A feature extraction thread simply calls its concrete encapsulated feature extraction module and collects any results or errors from its run.

Since:

0.3.0.5

Author:

Serguei Mokhov

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

protected double[]	adSampleData Sample data container reference if the data is coming not from preprocessing.
protected boolean	bRetVal Keeps return value from extractFeatures() in case someone is interested.
protected IFeatureExtraction	oFeatureExtraction A reference to the feature extraction module.
protected java.lang.Exception	oLastException Last exception captured after feature extraction run.

Fields inherited from class marf.util.BaseThread

iTID, oTarget, siNextTID

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

FeatureExtractionAggregator.FeatureExtractionThread(IFeatureExtraction poFeatureExtraction, ExpandedThreadGroup poGroup)
Constructs a feature extraction thread with a given module.

FeatureExtractionAggregator.FeatureExtractionThread(IFeatureExtraction poFeatureExtraction, ExpandedThreadGroup poGroup, double[] padSampleData)
Constructs a feature extraction thread with a given module and sample data from external source.

Method Summary

IFeatureExtraction	getFeatureExtraction() Allows obtaining the reference to the contained feature extraction module.
java.lang.Exception	getLastException() Allows to query for the last error happened while extracting features.
boolean	getRetVal() Allows to query for the feature extraction success return value.
void	run() Internally calls extractFeatures() and collects its return value and possibly its last error.

Methods inherited from class marf.util.BaseThread

getMARFSourceCodeRevision, getNextTID, getTarget, getTID

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

oFeatureExtraction

protected IFeatureExtraction oFeatureExtraction

A reference to the feature extraction module.

bRetVal

protected boolean bRetVal

Keeps return value from extractFeatures() in case someone is interested.

See Also:

IFeatureExtraction.extractFeatures()

oLastException

protected java.lang.Exception oLastException

Last exception captured after feature extraction run.

adSampleData

protected double[] adSampleData

Sample data container reference if the data is coming not from preprocessing.

Since:

0.3.0.6

Constructor Detail

FeatureExtractionAggregator.FeatureExtractionThread

public FeatureExtractionAggregator.FeatureExtractionThread(IFeatureExtraction poFeatureExtraction,
                                                           ExpandedThreadGroup poGroup)

Constructs a feature extraction thread with a given module.

Parameters:

poFeatureExtraction - the module; must not be null

poGroup - the thread group to attach this thread to

FeatureExtractionAggregator.FeatureExtractionThread

public FeatureExtractionAggregator.FeatureExtractionThread(IFeatureExtraction poFeatureExtraction,
                                                           ExpandedThreadGroup poGroup,
                                                           double[] padSampleData)

Constructs a feature extraction thread with a given module and sample data from external source.

Parameters:

poFeatureExtraction - the module; must not be null

poGroup - the thread group to attach this thread to

padSampleData -

Since:

0.3.0.6

Method Detail

run

public void run()

Internally calls extractFeatures() and collects its return value and possibly its last error.

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class java.lang.Thread

See Also:

Runnable.run(), IFeatureExtraction.extractFeatures()

getRetVal

public boolean getRetVal()

Allows to query for the feature extraction success return value.

Returns:

the return value of extractFeatures()

See Also:

IFeatureExtraction.extractFeatures()

getFeatureExtraction

public IFeatureExtraction getFeatureExtraction()

Allows obtaining the reference to the contained feature extraction module.

Returns:

the internal feature extraction module reference

getLastException

public java.lang.Exception getLastException()

Allows to query for the last error happened while extracting features.

Returns:

the last exception; null if there were none (yet or postmortem)