Package adams.data.wekapyroproxy

Class SimpleJsonCommunicationProcessor

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.data.wekapyroproxy.AbstractCommunicationProcessor

adams.data.wekapyroproxy.SimpleJsonCommunicationProcessor

All Implemented Interfaces:

adams.core.Destroyable, adams.core.GlobalInfoSupporter, adams.core.logging.LoggingLevelHandler, adams.core.logging.LoggingSupporter, adams.core.option.OptionHandler, adams.core.SizeOfHandler, Serializable

public class SimpleJsonCommunicationProcessor
extends AbstractCommunicationProcessor

Turns Instances/Instance into simple JSON.
Train:

 {
   Model: 
   Train: {
     X:
       [...],  // single instance
       ...
     ],
     Y: [...]  // class values
   }
 }
 

 Predict (send):
 
 {
   Model: 
   Train: {
     X: [...],  // single instance
   }
 }
 

 Predict (receive):
 
 {
   Error: 
   Prediction: [...]  // distribution array (single double for numeric class)
 }
 

Author:

FracPete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Constructor Summary

Constructors

Constructor	Description
SimpleJsonCommunicationProcessor()

Method Summary

Modifier and Type	Method	Description
protected Object	doConvertDataset(PyroProxy owner, weka.core.Instances data)	Performs the initialization.
protected Object	doConvertInstance(PyroProxy owner, weka.core.Instance inst)	Converts the instance into a different format.
protected void	doInitialize(PyroProxy owner, weka.core.Instances data)	Performs the initialization.
protected double[]	doParsePrediction(PyroProxy owner, Object prediction)	Parses the prediction.
protected double[][]	doParsePredictions(PyroProxy owner, Object predictions)	Parses the predictions.
String	globalInfo()	Returns a string describing the object.
protected net.minidev.json.JSONArray	instanceToRow(weka.core.Instance inst)	Converts a single Instance into a JSON array (excluding class).
boolean	supportsBatchPredictions()	Returns whether batch predictions are supported.

Methods inherited from class adams.data.wekapyroproxy.AbstractCommunicationProcessor

checkDataset, checkInitialize, checkInstance, checkPrediction, checkPredictions, convertDataset, convertInstance, initialize, parsePrediction, parsePredictions

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, defineOptions, destroy, finishInit, getDefaultLoggingLevel, getOptionManager, initialize, loggingLevelTipText, newOptionManager, reset, setLoggingLevel, toCommandLine, toString

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

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

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel

Constructor Detail

SimpleJsonCommunicationProcessor

public SimpleJsonCommunicationProcessor()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing the object.

Specified by:

globalInfo in interface adams.core.GlobalInfoSupporter

Specified by:

globalInfo in class adams.core.option.AbstractOptionHandler

Returns:

a description suitable for displaying in the gui

doInitialize

protected void doInitialize(PyroProxy owner,
                            weka.core.Instances data)
                     throws Exception

Performs the initialization.

Specified by:

doInitialize in class AbstractCommunicationProcessor

Parameters:

owner - the owning classifier

data - the training data

Throws:

Exception - if initialization fails

instanceToRow

protected net.minidev.json.JSONArray instanceToRow(weka.core.Instance inst)

Converts a single Instance into a JSON array (excluding class).

Parameters:

inst - the instance to convert

Returns:

the JSON array

doConvertDataset

protected Object doConvertDataset(PyroProxy owner,
                                  weka.core.Instances data)
                           throws Exception

Performs the initialization.

Specified by:

doConvertDataset in class AbstractCommunicationProcessor

Parameters:

owner - the owning classifier

data - the training data

Returns:

the converted dataset

Throws:

Exception - if initialization fails

doConvertInstance

protected Object doConvertInstance(PyroProxy owner,
                                   weka.core.Instance inst)
                            throws Exception

Converts the instance into a different format.

Specified by:

doConvertInstance in class AbstractCommunicationProcessor

Parameters:

owner - the owning classifier

inst - the instance to convert

Returns:

the generated data structure

Throws:

Exception - if conversion fails

doParsePrediction

protected double[] doParsePrediction(PyroProxy owner,
                                     Object prediction)
                              throws Exception

Parses the prediction.

Specified by:

doParsePrediction in class AbstractCommunicationProcessor

Parameters:

owner - the owning classifier

prediction - the prediction to parse

Returns:

the class distribution

Throws:

Exception - if conversion fails

supportsBatchPredictions

public boolean supportsBatchPredictions()

Returns whether batch predictions are supported.

Specified by:

supportsBatchPredictions in class AbstractCommunicationProcessor

Returns:

true if supported

doParsePredictions

protected double[][] doParsePredictions(PyroProxy owner,
                                        Object predictions)
                                 throws Exception

Parses the predictions.

Specified by:

doParsePredictions in class AbstractCommunicationProcessor

Parameters:

owner - the owning classifier

predictions - the predictions to parse

Returns:

the class distribution

Throws:

Exception - if conversion fails