Package adams.flow.transformer

Class AbstractArrayProvider

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.flow.core.AbstractActor

adams.flow.transformer.AbstractTransformer

adams.flow.transformer.AbstractArrayProvider

All Implemented Interfaces:

AdditionalInformationHandler, ArrayProvider, CleanUpHandler, Destroyable, GlobalInfoSupporter, LoggingLevelHandler, LoggingSupporter, OptionHandler, QuickInfoSupporter, ShallowCopySupporter<Actor>, SizeOfHandler, Stoppable, StoppableWithFeedback, VariablesInspectionHandler, VariableChangeListener, Actor, ArrayProvider, ErrorHandler, InputConsumer, OutputProducer, Serializable, Comparable

Direct Known Subclasses:

AbstractDbArrayProvider, AbstractReportFileReader, AccessDatabaseInfo, ArrayHistogramRanges, BoofCVMultiImageOperation, BoofCVTransformer, BufferedImageMultiImageOperation, BufferedImageTransformer, ControlChart, EmailFileReader, GetImageObjectIndices, GetImageObjects, GetJsonKeys, GetJsonValue, GetMapKeys, GetMapKeyValuePairs, GetProperties, GetPropertyNames, GetPropertyValue, GroupByRegExp, LocateObjects, Mat5ArrayInfo, Mat5FileInfo, Mat5StructInfo, MatchReportFields, MultiMat5MatrixOperation, OpenCVMultiImageOperation, OpenCVTransformer, PDFInfo, PrepareFileBasedDataset, ReportField, SpreadSheetCellFinder, SpreadSheetColumnIterator, SpreadSheetExtractArray, SpreadSheetFileReader, SpreadSheetGetCell, SpreadSheetHistogramRanges, SpreadSheetInfo, SpreadSheetPlotGenerator, SpreadSheetRowToTimeseries, SpreadSheetToTimeseries, StringArraySplit, StringJoin, TimeseriesSplit, ViaAnnotationsToReports, WekaAttributeIterator, WekaEvaluationPostProcessor, WekaGeneticAlgorithm, WekaInstancesHistogramRanges, WekaInstancesInfo, WekaRandomSplit, WekaSplitGenerator

public abstract class AbstractArrayProvider
extends AbstractTransformer
implements ArrayProvider

Ancestor for transformer actors that can output items one by one or as a single array.

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static String	BACKUP_INDEX	the key for storing the index in the backup.
static String	BACKUP_QUEUE	the key for storing the elements in the backup.
protected int	m_Index	the current index.
protected boolean	m_OutputArray	whether to output an array instead of single items.
protected ArrayList	m_Queue	contains the items.

Fields inherited from class adams.flow.transformer.AbstractTransformer

BACKUP_INPUT, BACKUP_OUTPUT, m_InputToken, m_OutputToken

Fields inherited from class adams.flow.core.AbstractActor

m_Annotations, m_BackupState, m_DetectedObjectVariables, m_DetectedVariables, m_ErrorHandler, m_Executed, m_Executing, m_ExecutionListeningSupporter, m_FullName, m_LoggingPrefix, m_Name, m_Parent, m_ScopeHandler, m_Self, m_Silent, m_Skip, m_StopFlowOnError, m_StopMessage, m_Stopped, m_StorageHandler, m_VariablesUpdated

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Fields inherited from interface adams.flow.core.Actor

FILE_EXTENSION, FILE_EXTENSION_GZ

Constructor Summary

Constructors

Constructor	Description
AbstractArrayProvider()

Method Summary

Modifier and Type	Method	Description
protected Hashtable<String,Object>	backupState()	Backs up the current state of the actor before update the variables.
void	defineOptions()	Adds options to the internal list of options.
Class[]	generates()	Returns the class of objects that it generates.
protected abstract Class	getItemClass()	Returns the base class of the items.
boolean	getOutputArray()	Returns whether to output the items as array or as single strings.
boolean	hasPendingOutput()	Checks whether there is pending output to be collected after executing the flow item.
Token	output()	Returns the generated token.
abstract String	outputArrayTipText()	Returns the tip text for this property.
protected String	preExecute()	Resets the index.
protected void	pruneBackup()	Removes entries from the backup.
protected void	reset()	Resets the scheme.
protected void	restoreState(Hashtable<String,Object> state)	Restores the state of the actor before the variables got updated.
void	setOutputArray(boolean value)	Sets whether to output the items as array or as single strings.
void	wrapUp()	Cleans up after the execution has finished.

Methods inherited from class adams.flow.transformer.AbstractTransformer

currentInput, execute, hasInput, input, postExecute

Methods inherited from class adams.flow.core.AbstractActor

annotationsTipText, canInspectOptions, canPerformSetUpCheck, cleanUp, compareTo, configureLogger, destroy, doExecute, equals, finalUpdateVariables, findVariables, findVariables, forceVariables, forCommandLine, forName, forName, getAdditionalInformation, getAnnotations, getDefaultName, getDetectedVariables, getErrorHandler, getFlowActors, getFlowExecutionListeningSupporter, getFullName, getName, getNextSibling, getParent, getParentComponent, getPreviousSibling, getQuickInfo, getRoot, getScopeHandler, getSilent, getSkip, getStopFlowOnError, getStopMessage, getStorageHandler, getVariables, handleError, handleException, hasErrorHandler, hasStopMessage, index, initialize, isBackedUp, isExecuted, isExecuting, isFinished, isHeadless, isStopped, nameTipText, performSetUpChecks, performVariableChecks, pruneBackup, setAnnotations, setErrorHandler, setName, setParent, setSilent, setSkip, setStopFlowOnError, setUp, setVariables, shallowCopy, shallowCopy, silentTipText, sizeOf, skipTipText, stopExecution, stopExecution, stopFlowOnErrorTipText, updateDetectedVariables, updatePrefix, updateVariables, variableChanged

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, finishInit, getDefaultLoggingLevel, getOptionManager, globalInfo, loggingLevelTipText, newOptionManager, setLoggingLevel, toCommandLine, toString

Methods inherited from class adams.core.logging.LoggingObject

getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled

Methods inherited from class java.lang.Object

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

Methods inherited from interface adams.flow.core.Actor

cleanUp, compareTo, destroy, equals, execute, findVariables, getAnnotations, getDefaultName, getDetectedVariables, getErrorHandler, getFlowExecutionListeningSupporter, getFullName, getName, getNextSibling, getParent, getParentComponent, getPreviousSibling, getQuickInfo, getRoot, getScopeHandler, getSilent, getSkip, getStopFlowOnError, getStopMessage, getStorageHandler, getVariables, handleError, hasErrorHandler, hasStopMessage, index, isExecuted, isFinished, isHeadless, isStopped, setAnnotations, setErrorHandler, setName, setParent, setSilent, setSkip, setStopFlowOnError, setUp, setVariables, shallowCopy, shallowCopy, sizeOf, stopExecution, stopExecution, toCommandLine, variableChanged

Methods inherited from interface adams.core.AdditionalInformationHandler

getAdditionalInformation

Methods inherited from interface adams.flow.core.InputConsumer

accepts

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel, setLoggingLevel

Methods inherited from interface adams.core.logging.LoggingSupporter

getLogger, isLoggingEnabled

Methods inherited from interface adams.core.option.OptionHandler

cleanUpOptions, getOptionManager

Methods inherited from interface adams.core.VariablesInspectionHandler

canInspectOptions

Field Detail

BACKUP_QUEUE

public static final String BACKUP_QUEUE

the key for storing the elements in the backup.

See Also:

Constant Field Values

BACKUP_INDEX

public static final String BACKUP_INDEX

the key for storing the index in the backup.

See Also:

Constant Field Values

m_Queue

protected ArrayList m_Queue

contains the items.

m_OutputArray

protected boolean m_OutputArray

whether to output an array instead of single items.

m_Index

protected int m_Index

the current index.

Constructor Detail

AbstractArrayProvider

public AbstractArrayProvider()

Method Detail

defineOptions

public void defineOptions()

Adds options to the internal list of options.

Specified by:

defineOptions in interface OptionHandler

Overrides:

defineOptions in class AbstractActor

getItemClass

protected abstract Class getItemClass()

Returns the base class of the items.

Returns:

the class

setOutputArray

public void setOutputArray(boolean value)

Sets whether to output the items as array or as single strings.

Specified by:

setOutputArray in interface ArrayProvider

Specified by:

setOutputArray in interface ArrayProvider

Parameters:

value - true if output is an array

getOutputArray

public boolean getOutputArray()

Returns whether to output the items as array or as single strings.

Specified by:

getOutputArray in interface ArrayProvider

Specified by:

getOutputArray in interface ArrayProvider

Returns:

true if output is an array

outputArrayTipText

public abstract String outputArrayTipText()

Returns the tip text for this property.

Specified by:

outputArrayTipText in interface ArrayProvider

Specified by:

outputArrayTipText in interface ArrayProvider

Returns:

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

generates

public Class[] generates()

Returns the class of objects that it generates.

Specified by:

generates in interface OutputProducer

Returns:

the classes

reset

protected void reset()

Resets the scheme.

Overrides:

reset in class AbstractActor

pruneBackup

protected void pruneBackup()

Removes entries from the backup.

Overrides:

pruneBackup in class AbstractActor

See Also:

reset()

backupState

protected Hashtable<String,Object> backupState()

Backs up the current state of the actor before update the variables.

Overrides:

backupState in class AbstractTransformer

Returns:

the backup

See Also:

AbstractActor.updateVariables(), AbstractActor.restoreState(Hashtable)

restoreState

protected void restoreState(Hashtable<String,Object> state)

Restores the state of the actor before the variables got updated.

Overrides:

restoreState in class AbstractTransformer

Parameters:

state - the backup of the state to restore from

See Also:

AbstractActor.updateVariables(), AbstractActor.backupState()

preExecute

protected String preExecute()

Resets the index.

Overrides:

preExecute in class AbstractActor

Returns:

null if everything is fine, otherwise error message

See Also:

m_Index

output

public Token output()

Returns the generated token.

Specified by:

output in interface OutputProducer

Overrides:

output in class AbstractTransformer

Returns:

the generated token

hasPendingOutput

public boolean hasPendingOutput()

Checks whether there is pending output to be collected after executing the flow item.

Specified by:

hasPendingOutput in interface OutputProducer

Overrides:

hasPendingOutput in class AbstractTransformer

Returns:

true if there is pending output

wrapUp

public void wrapUp()

Cleans up after the execution has finished.

Specified by:

wrapUp in interface Actor

Overrides:

wrapUp in class AbstractTransformer