Package adams.flow.transformer

Class AbstractDataContainerFileReader<T extends DataContainer>

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.AbstractDataContainerFileReader<T>

Type Parameters:

T - the type of data that is read from disk

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:

TimeseriesFileReader, WekaInstanceFileReader

public abstract class AbstractDataContainerFileReader<T extends DataContainer>
extends AbstractTransformer
implements ArrayProvider

Abstract ancestor for actors that read data containers from disk.

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static String	BACKUP_CONTAINERS	the key for storing the current containers in the backup.
protected List	m_Containers	the containers that were read.
protected boolean	m_OutputArray	whether to output an array instead of single items.
protected DataContainerReader<T>	m_Reader	the reader 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

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
AbstractDataContainerFileReader()

Method Summary

Modifier and Type	Method	Description
Class[]	accepts()	Returns the class that the consumer accepts.
protected Hashtable<String,Object>	backupState()	Backs up the current state of the actor before update the variables.
void	cleanUp()	Cleans up after the execution has finished.
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.
protected abstract DataContainerReader	getDefaultReader()	Returns the default reader to use.
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.
String	getQuickInfo()	Returns a quick info about the actor, which will be displayed in the GUI.
DataContainerReader	getReader()	Returns the reader in use.
boolean	hasPendingOutput()	Checks whether there is pending output to be collected after executing the flow item.
Token	output()	Returns the generated token.
String	outputArrayTipText()	Returns the tip text for this property.
protected void	pruneBackup()	Removes entries from the backup.
String	readerTipText()	Returns the tip text for this property.
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	setReader(DataContainerReader value)	Sets the reader to use.
void	stopExecution()	Stops the execution.

Methods inherited from class adams.flow.transformer.AbstractTransformer

currentInput, execute, hasInput, input, postExecute, wrapUp

Methods inherited from class adams.flow.core.AbstractActor

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

compareTo, destroy, equals, execute, findVariables, getAnnotations, getDefaultName, getDetectedVariables, getErrorHandler, getFlowExecutionListeningSupporter, getFullName, getName, getNextSibling, getParent, getParentComponent, getPreviousSibling, 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, toCommandLine, variableChanged, wrapUp

Methods inherited from interface adams.core.AdditionalInformationHandler

getAdditionalInformation

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_CONTAINERS

public static final String BACKUP_CONTAINERS

the key for storing the current containers in the backup.

See Also:

Constant Field Values

m_Reader

protected DataContainerReader<T extends DataContainer> m_Reader

the reader to use.

m_OutputArray

protected boolean m_OutputArray

whether to output an array instead of single items.

m_Containers

protected List m_Containers

the containers that were read.

Constructor Detail

AbstractDataContainerFileReader

public AbstractDataContainerFileReader()

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

getDefaultReader

protected abstract DataContainerReader getDefaultReader()

Returns the default reader to use.

Returns:

the default reader

setReader

public void setReader(DataContainerReader value)

Sets the reader to use.

Parameters:

value - the filter

getReader

public DataContainerReader getReader()

Returns the reader in use.

Returns:

the reader

readerTipText

public String readerTipText()

Returns the tip text for this property.

Returns:

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

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 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.

getQuickInfo

public String getQuickInfo()

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

Specified by:

getQuickInfo in interface Actor

Specified by:

getQuickInfo in interface QuickInfoSupporter

Overrides:

getQuickInfo in class AbstractActor

Returns:

null if no info available, otherwise short string

accepts

public Class[] accepts()

Returns the class that the consumer accepts.

Specified by:

accepts in interface InputConsumer

Returns:

java.lang.String.class

getItemClass

protected abstract Class getItemClass()

Returns the base class of the items.

Returns:

the class

generates

public Class[] generates()

Returns the class of objects that it generates.

Specified by:

generates in interface OutputProducer

Returns:

the classes

pruneBackup

protected void pruneBackup()

Removes entries from the backup.

Overrides:

pruneBackup in class AbstractActor

See Also:

AbstractActor.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()

reset

protected void reset()

Resets the scheme.

Overrides:

reset in class AbstractActor

doExecute

protected String doExecute()

Executes the flow item.

Specified by:

doExecute in class AbstractActor

Returns:

null if everything is fine, otherwise error message

stopExecution

public void stopExecution()

Stops the execution. No message set.

Specified by:

stopExecution in interface Actor

Specified by:

stopExecution in interface Stoppable

Overrides:

stopExecution in class AbstractActor

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

cleanUp

public void cleanUp()

Cleans up after the execution has finished. Also removes graphical components.

Specified by:

cleanUp in interface Actor

Specified by:

cleanUp in interface CleanUpHandler

Overrides:

cleanUp in class AbstractActor