org.gcube.dataaccess.algorithms.drmalgorithms

Class SmartSampleOnTable

java.lang.Object

org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm

org.gcube.dataaccess.algorithms.drmalgorithms.SmartSampleOnTable

All Implemented Interfaces:

org.gcube.dataanalysis.ecoengine.interfaces.ComputationalAgent, org.gcube.dataanalysis.ecoengine.interfaces.Transducerer

public class SmartSampleOnTable
extends org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm

Class that allows to perform a smart sample operation on a table of a chosen database. It retrieves 100 rows of a table randomly that have the maximum number of columns not null.

Field Summary

Fields inherited from class org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm

config, inputs, outputParameters, resourceManager, status

Constructor Summary

Constructors

Constructor and Description
SmartSampleOnTable()

Method Summary

Methods

Modifier and Type	Method and Description
String	getDescription()
org.gcube.dataanalysis.ecoengine.datatypes.StatisticalType	getOutput()
void	init()
protected void	process()
protected void	setInputParameters()
void	shutdown()

Methods inherited from class org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm

addBooleanInput, addDoubleInput, addEnumerateInput, addFileInput, addIntegerInput, addOutputString, addRemoteDatabaseInput, addStringInput, compute, getInfrastructure, getInputParameter, getInputParameters, getResourceLoad, getResources, getStatus, log, setConfiguration

Methods inherited from class java.lang.Object

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

Constructor Detail

SmartSampleOnTable

public SmartSampleOnTable()

Method Detail

init

public void init()
          throws Exception

Specified by:

init in interface org.gcube.dataanalysis.ecoengine.interfaces.ComputationalAgent

Specified by:

init in class org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm

Throws:

Exception

getDescription

public String getDescription()

Specified by:

getDescription in interface org.gcube.dataanalysis.ecoengine.interfaces.ComputationalAgent

Specified by:

getDescription in class org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm

process

protected void process()
                throws Exception

Specified by:

process in class org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm

Throws:

Exception

setInputParameters

protected void setInputParameters()

Specified by:

setInputParameters in class org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm

getOutput

public org.gcube.dataanalysis.ecoengine.datatypes.StatisticalType getOutput()

Specified by:

getOutput in interface org.gcube.dataanalysis.ecoengine.interfaces.ComputationalAgent

Overrides:

getOutput in class org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm

shutdown

public void shutdown()

Specified by:

shutdown in interface org.gcube.dataanalysis.ecoengine.interfaces.ComputationalAgent

Specified by:

shutdown in class org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm