Package adams.flow.condition.bool

Class DirectoryExists

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.flow.condition.bool.AbstractBooleanCondition

adams.flow.condition.bool.DirectoryExists

All Implemented Interfaces:

Destroyable, GlobalInfoSupporter, LoggingLevelHandler, LoggingSupporter, OptionHandler, QuickInfoSupporter, ShallowCopySupporter<BooleanCondition>, SizeOfHandler, Stoppable, BooleanCondition, Serializable

public class DirectoryExists
extends AbstractBooleanCondition

Evaluates to 'true' if the directory exists.

Valid options are:

-D <int> (property: debugLevel)
    The greater the number the more additional info the scheme may output to 
    the console (0 = off).
    default: 0
    minimum: 0
 

-directory <adams.core.io.PlaceholderDirectory> (property: directory)
    The directory to look for.
    default: ${CWD}
 

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected PlaceholderDirectory	m_Directory	the directory to look for.

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Constructor Summary

Constructors

Constructor	Description
DirectoryExists()

Method Summary

Modifier and Type	Method	Description
Class[]	accepts()	Returns the class that the consumer accepts.
void	defineOptions()	Adds options to the internal list of options.
String	directoryTipText()	Returns the tip text for this property.
protected boolean	doEvaluate(Actor owner, Token token)	Performs the actual evaluation.
PlaceholderDirectory	getDirectory()	Returns the directory to look for.
String	getQuickInfo()	Returns the quick info string to be displayed in the flow editor.
String	globalInfo()	Returns a string describing the object.
void	setDirectory(PlaceholderDirectory value)	Sets the directory to look for.
String	setUp(Actor owner)	Configures the condition.

Methods inherited from class adams.flow.condition.bool.AbstractBooleanCondition

evaluate, preEvaluate, shallowCopy, shallowCopy, stopExecution

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, destroy, finishInit, getDefaultLoggingLevel, getOptionManager, initialize, loggingLevelTipText, newOptionManager, reset, setLoggingLevel, toCommandLine, toString

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

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

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel

Field Detail

m_Directory

protected PlaceholderDirectory m_Directory

the directory to look for.

Constructor Detail

DirectoryExists

public DirectoryExists()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing the object.

Specified by:

globalInfo in interface GlobalInfoSupporter

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 AbstractOptionHandler

setDirectory

public void setDirectory(PlaceholderDirectory value)

Sets the directory to look for.

Parameters:

value - the directory

getDirectory

public PlaceholderDirectory getDirectory()

Returns the directory to look for.

Returns:

the directory

directoryTipText

public String directoryTipText()

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 the quick info string to be displayed in the flow editor.

Specified by:

getQuickInfo in interface BooleanCondition

Specified by:

getQuickInfo in interface QuickInfoSupporter

Specified by:

getQuickInfo in class AbstractBooleanCondition

Returns:

the info or null if no info to be displayed

accepts

public Class[] accepts()

Returns the class that the consumer accepts.

Specified by:

accepts in interface BooleanCondition

Specified by:

accepts in class AbstractBooleanCondition

Returns:

Unknown

setUp

public String setUp(Actor owner)

Configures the condition.

Specified by:

setUp in interface BooleanCondition

Overrides:

setUp in class AbstractBooleanCondition

Parameters:

owner - the actor this condition belongs to

Returns:

null if everything is fine, otherwise error message

doEvaluate

protected boolean doEvaluate(Actor owner,
                             Token token)

Performs the actual evaluation.

Specified by:

doEvaluate in class AbstractBooleanCondition

Parameters:

owner - the owning actor

token - the current token passing through

Returns:

the result of the evaluation