Package adams.flow.sink

Class AbstractSink

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.flow.core.AbstractActor

adams.flow.sink.AbstractSink

All Implemented Interfaces:

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

Direct Known Subclasses:

AbstractDbSink, AbstractFileWriter, AbstractGraphicsGenerator, AbstractScript, Browser, CloseInputStream, CloseReader, Console, EnQueue, Exec, FileBrowser, FreeMemory, InformationDialog, JavaLogging, Logger, MenuItem, NotesWriter, Null, OpenFile, PDFCloseDocument, ProgrammaticSink, Publish, PyroSink, SendEmail, SendNotification, SendRemoteCommand, SimpleLogging, Socket, SpreadSheetDbWriter, TextWriter, WebSocketClient, WekaDatabaseWriter, WekaExperimentGenerator

public abstract class AbstractSink
extends AbstractActor
implements InputConsumer

Ancestor for all flow items that function as sink.

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static String	BACKUP_INPUT	the key for storing the input token in the backup.
protected Token	m_InputToken	the current token.

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
AbstractSink()

Method Summary

Modifier and Type	Method	Description
protected Hashtable<String,Object>	backupState()	Backs up the current state of the actor before update the variables.
Token	currentInput()	Returns the current input token, if any.
boolean	hasInput()	Returns whether an input token is currently present.
void	input(Token token)	The method that accepts the input token and then processes it.
protected String	postExecute()	Post-execute hook.
protected void	restoreState(Hashtable<String,Object> state)	Restores the state of the actor before the variables got updated.
void	wrapUp()	Cleans up after the execution has finished.

Methods inherited from class adams.flow.core.AbstractActor

annotationsTipText, canInspectOptions, canPerformSetUpCheck, cleanUp, compareTo, configureLogger, defineOptions, destroy, doExecute, equals, execute, 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, preExecute, pruneBackup, pruneBackup, reset, 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, defineOptions, getOptionManager

Methods inherited from interface adams.core.VariablesInspectionHandler

canInspectOptions

Field Detail

BACKUP_INPUT

public static final String BACKUP_INPUT

the key for storing the input token in the backup.

See Also:

Constant Field Values

m_InputToken

protected transient Token m_InputToken

the current token.

Constructor Detail

AbstractSink

public AbstractSink()

Method Detail

backupState

protected Hashtable<String,Object> backupState()

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

Overrides:

backupState in class AbstractActor

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 AbstractActor

Parameters:

state - the backup of the state to restore from

See Also:

AbstractActor.updateVariables(), AbstractActor.backupState()

input

public void input(Token token)

The method that accepts the input token and then processes it.

Specified by:

input in interface InputConsumer

Parameters:

token - the token to accept and process

See Also:

m_InputToken

hasInput

public boolean hasInput()

Returns whether an input token is currently present.

Specified by:

hasInput in interface InputConsumer

Returns:

true if input token present

currentInput

public Token currentInput()

Returns the current input token, if any.

Specified by:

currentInput in interface InputConsumer

Returns:

the input token, null if none present

postExecute

protected String postExecute()

Post-execute hook.

Overrides:

postExecute in class AbstractActor

Returns:

null if everything is fine, otherwise error message

See Also:

AbstractActor.m_Executed

wrapUp

public void wrapUp()

Cleans up after the execution has finished.

Specified by:

wrapUp in interface Actor

Overrides:

wrapUp in class AbstractActor