adams.flow.transformer
Class AbstractInstanceGenerator<T extends DataContainer>

java.lang.Object
  adams.core.ConsoleObject
      adams.core.option.AbstractOptionHandler
          adams.flow.core.AbstractActor
              adams.flow.transformer.AbstractTransformer
                  adams.flow.transformer.AbstractInstanceGenerator<T>

Type Parameters:

T - the data container to process

All Implemented Interfaces:

AdditionalInformationHandler, CleanUpHandler, Debuggable, DebugOutputHandler, Destroyable, OptionHandler, QuickInfoSupporter, ShallowCopySupporter<AbstractActor>, SizeOfHandler, Stoppable, VariableChangeListener, ErrorHandler, InputConsumer, OutputProducer, Serializable, Comparable

public abstract class AbstractInstanceGenerator<T extends DataContainer>
extends AbstractTransformer

Ancestor for transformers that turn data containers into WEKA Instance objects.

Version:

$Revision: 4584 $

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

protected AbstractInstanceGenerator

m_Generator the generator to use.

Fields inherited from class adams.flow.transformer.AbstractTransformer

BACKUP_INPUT, BACKUP_OUTPUT, m_InputToken, m_OutputToken

Fields inherited from class adams.flow.core.AbstractActor

FILE_EXTENSION, FILE_EXTENSION_GZ, m_Annotations, m_BackupState, m_DetectedObjectVariables, m_DetectedVariables, m_ErrorHandler, m_Executed, m_FullName, m_Headless, m_Name, m_Parent, m_Root, m_Self, m_Skip, m_StopFlowOnError, m_StopMessage, m_Stopped, m_StorageHandler, m_VariablesUpdated

Fields inherited from class adams.core.option.AbstractOptionHandler

m_DebugLevel, m_OptionManager

Constructor Summary

AbstractInstanceGenerator()

Method Summary

abstract Class[]	accepts() Returns the class that the consumer accepts.
void	defineOptions() Adds options to the internal list of options.
protected String	doExecute() Executes the flow item.
Class[]	generates() Returns the class of objects that it generates.
abstract String	generatorTipText() Returns the tip text for this property.
protected abstract AbstractDatabaseConnection	getDatabaseConnection() Returns the database connection to use.
protected abstract AbstractInstanceGenerator	getDefaultGenerator() Returns the default generator.
AbstractInstanceGenerator	getGenerator() Returns the generator in use.
String	getQuickInfo() Returns a quick info about the actor, which will be displayed in the GUI.
abstract String	globalInfo() Returns a string describing the object.
void	setGenerator(AbstractInstanceGenerator value) Sets the generator to use.
String	setUp() Initializes the item for flow execution.

Methods inherited from class adams.flow.transformer.AbstractTransformer

backupState, execute, hasPendingOutput, input, output, postExecute, reset, restoreState, wrapUp

Methods inherited from class adams.flow.core.AbstractActor

annotationsTipText, canInspectOptions, canPerformSetUpCheck, cleanUp, compareTo, debug, destroy, equals, findVariables, findVariables, findVariables, forceVariables, forCommandLine, forName, getAdditionalInformation, getAnnotations, getDefaultName, getDetectedVariables, getErrorHandler, getFlowActors, getFullName, getName, getNextSibling, getParent, getPreviousSibling, getRoot, getSkip, getStopFlowOnError, getStopMessage, getStorageHandler, getVariables, handleError, hasErrorHandler, hasStopMessage, index, initialize, isBackedUp, isExecuted, isFinished, isHeadless, isStopped, nameTipText, performSetUpChecks, preExecute, pruneBackup, pruneBackup, setAnnotations, setErrorHandler, setHeadless, setName, setParent, setSkip, setStopFlowOnError, setVariables, shallowCopy, shallowCopy, sizeOf, skipTipText, stopExecution, stopExecution, stopFlowOnErrorTipText, updateDetectedVariables, updatePrefix, updateVariables, variableChanged

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, debug, debugLevelTipText, finishInit, getDebugLevel, getOptionManager, isDebugOn, newOptionManager, setDebugLevel, toCommandLine, toString

Methods inherited from class adams.core.ConsoleObject

getDebugging, getSystemErr, getSystemOut

Methods inherited from class java.lang.Object

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

Field Detail

m_Generator

protected AbstractInstanceGenerator m_Generator

the generator to use.

Constructor Detail

AbstractInstanceGenerator

public AbstractInstanceGenerator()

Method Detail

globalInfo

public abstract String globalInfo()

Returns a string describing the object.

Specified by:

globalInfo in class AbstractOptionHandler

Returns:

a description suitable for displaying in the gui

defineOptions

public void defineOptions()

Adds options to the internal list of options.

Specified by:

defineOptions in interface OptionHandler

Overrides:

defineOptions in class AbstractActor

getDefaultGenerator

protected abstract AbstractInstanceGenerator getDefaultGenerator()

Returns the default generator.

Returns:

the generator

setGenerator

public void setGenerator(AbstractInstanceGenerator value)

Sets the generator to use.

Parameters:

value - the generator

getGenerator

public AbstractInstanceGenerator getGenerator()

Returns the generator in use.

Returns:

the generator

generatorTipText

public abstract String generatorTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

getQuickInfo

public String getQuickInfo()

Returns a quick info about the actor, which will be displayed in the GUI.

Specified by:

getQuickInfo in interface QuickInfoSupporter

Overrides:

getQuickInfo in class AbstractActor

Returns:

null if no info available, otherwise short string

accepts

public abstract Class[] accepts()

Returns the class that the consumer accepts.

Returns:

the accepted data container

generates

public Class[] generates()

Returns the class of objects that it generates.

Returns:

weka.core.Instance.class

getDatabaseConnection

protected abstract AbstractDatabaseConnection getDatabaseConnection()

Returns the database connection to use.

Returns:

the database connection

setUp

public String setUp()

Initializes the item for flow execution. Also calls the reset() method first before anything else.

Overrides:

setUp in class AbstractActor

Returns:

null if everything is fine, otherwise error message

doExecute

protected String doExecute()

Executes the flow item.

Specified by:

doExecute in class AbstractActor

Returns:

null if everything is fine, otherwise error message