Package adams.flow.condition.bool

Interface BooleanCondition

All Superinterfaces:

QuickInfoSupporter, ShallowCopySupporter<BooleanCondition>, Stoppable

All Known Subinterfaces:

IndexedBooleanCondition

All Known Implementing Classes:

AbstractAttributeCapabilities, AbstractBooleanCondition, AbstractBooleanDatabaseCondition, AbstractExpression, AbstractMultiCondition, AbstractScript, AbstractScriptedCondition, AdamsInstanceCapabilities, And, BinaryFile, BooleanReportValue, BytesComplete, Counting, DirectoriesMatch, DirectoryExists, Expression, False, FileComplete, FileExists, FileInUse, FilesMatch, Groovy, HasClass, HasColumn, HasElements, HasExifTag, HashSet, HasInterface, HasLength, HasMapValue, HasProperty, HasQueue, HasRows, HasSize, HasStorageValue, HasVariable, HasVariableValue, InList, IsAndroid, IsArm64, IsArray, IsBoolean, IsByte, IsBzip2Compressed, IsDouble, IsFloat, IsGzipCompressed, IsInteger, IsLinux, IsLong, IsMac, IsMat5Array, IsMat5Matrix, IsMat5Struct, IsNull, IsNumeric, IsRarCompressed, IsShort, IsSubClass, IsWindows, IsXzCompressed, IsZipCompressed, IsZstdCompressed, Not, NotesErrors, Or, PromptUser, RegExp, ReportValueExists, Scripted, StorageFlagSet, TableExists, True, VariableFlagSet, WekaCapabilities, WekaClassification

public interface BooleanCondition
extends ShallowCopySupporter<BooleanCondition>, QuickInfoSupporter, Stoppable

Ancestor for conditions that get evaluated in, e.g., the IfThenElse control actor, deciding which branch to take.

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

Method Summary

Modifier and Type	Method	Description
Class[]	accepts()	Returns the class that the consumer accepts.
boolean	evaluate(Actor owner, Token token)	Evaluates whether to executed the "then" or "else" branch.
String	getQuickInfo()	Returns the quick info string to be displayed in the flow editor.
String	setUp(Actor owner)	Configures the condition.
BooleanCondition	shallowCopy()	Returns a shallow copy of itself, i.e., based on the commandline options.
BooleanCondition	shallowCopy(boolean expand)	Returns a shallow copy of itself, i.e., based on the commandline options.
void	stopExecution()	Stops the execution.

Method Detail

getQuickInfo

String getQuickInfo()

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

Specified by:

getQuickInfo in interface QuickInfoSupporter

Returns:

the info or null if no info to be displayed

accepts

Class[] accepts()

Returns the class that the consumer accepts.

Returns:

the accepted class

setUp

String setUp(Actor owner)

Configures the condition.

Parameters:

owner - the actor this condition belongs to

Returns:

null if everything is fine, otherwise error message

evaluate

boolean evaluate(Actor owner,
                 Token token)

Evaluates whether to executed the "then" or "else" branch.

Parameters:

owner - the owning actor

token - the current token passing through the actor

Returns:

true if the condition applies

shallowCopy

BooleanCondition shallowCopy()

Returns a shallow copy of itself, i.e., based on the commandline options.

Specified by:

shallowCopy in interface ShallowCopySupporter<BooleanCondition>

Returns:

the shallow copy

shallowCopy

BooleanCondition shallowCopy(boolean expand)

Returns a shallow copy of itself, i.e., based on the commandline options.

Specified by:

shallowCopy in interface ShallowCopySupporter<BooleanCondition>

Parameters:

expand - whether to expand variables to their current values

Returns:

the shallow copy

stopExecution

void stopExecution()

Stops the execution.

Specified by:

stopExecution in interface Stoppable