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java.lang.Object gov.nasa.arc.brahms.common.data.BrahmsObject gov.nasa.arc.brahms.common.data.ModelElement gov.nasa.arc.brahms.common.data.NamedModelElement gov.nasa.arc.brahms.common.data.BFrame gov.nasa.arc.brahms.common.data.Workframe gov.nasa.arc.brahms.vm.data.VMWorkframe
public class VMWorkframe
A VMWorkframe is a Workframe with extensions for use in the Brahms virtual machine. A Workframe is an action rule. It is a declarative description of under what condition(s) an agent or object performs the activities specified in the body of the rule.
A workframe consists of Precondition(s) defining the conditions under which the workframe can be activated and a Body which is executed when the workframe is active. The body of a workframe can consist of activities and Consequences.
As part of a workframe definition variables and detectables can be defined. The variables get their values assigned either through the preconditions matching with beliefs or facts or through activities. The detectables are conditions active while the workframe is active allowing for conditional detection of new facts and beliefs and allowing for immediate action on the newly detected fact or belief.
Workframe
,
Precondition
,
Variable
,
Detectable
,
Activity
,
Consequence
,
Serialized FormField Summary |
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Fields inherited from class gov.nasa.arc.brahms.common.data.BFrame |
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BODY_PROPERTY |
Fields inherited from class gov.nasa.arc.brahms.common.data.NamedModelElement |
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NAME_PROPERTY |
Fields inherited from interface gov.nasa.arc.brahms.common.IConstants |
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ABORT, ACTIVECLASS, ACTIVECONCEPT, ACTIVEINSTANCE, AGENT, ANONYMOUS, ANYAGENT, AREA, AREADEF, ASSIGNED, ATTRIBUTE, BASEAREADEF, BASECLASS, BASECONCEPTUALCLASS, BASEGROUP, BASELIBRARY, BOOLEAN, BROADCAST, BUILDING, BYTE, CCLOCK, CDATE, CHAR, CITY, CLASS, CLOCK, COLLECTALL, COMMUNICATE, COMPLETE, COMPOSITE, COMPUTER, CONCEPT, CONCEPTUALCLASS, CONCEPTUALCONCEPT, CONCEPTUALOBJECT, CONTINUE, COPY, CREATEAGENT, CREATEAREA, CREATEOBJECT, current, CURRENT, DATAFRAME, DATE, DB, DETECTABLE, DIV, DOUBLE, EMAIL, EMPTY_STRING, END, ENDACTIVITY, ENTAGENT, EQ, EXCEPTION, EXPR, FACE2FACE, FACTFRAME, FALSE, FAX, FLOAT, FOREACH, FORONE, G2, GE, GEOGRAPHYCONCEPT, GESTURE, GET, GROUP, GT, IMPASSE, INT, INVALID, JAVA, JAVA_TYPE, KNOWN_MODIFIER, KNOWNVAL_MODIFIER, LE, LOCAL, LONG, LT, MAP, MINUS, MOD, MOVE, MULT, NE, NEW, NONE, NOT_MODIFIER, NOWORK, O, OA, OBJECT, ONTOLOGY, PAGER, PARAMETER, PATH, PHONE, PLUS, PRIMITIVE, PRIVATE, PROAGENT, PROTECTED, PRSAGENT, PUBLIC, PUT, RECEIVE, RELATION, sACTIVECLASS, sACTIVECONCEPT, sACTIVEINSTANCE, sAGENT, sARCHIVE, sAREA, sAREADEF, sBOOLEAN, sBYTE, sBYTECODEEXT, sCHAR, sCLASS, sCOMPUTER, sCONCEPT, sCONCEPTUALCLASS, sCONCEPTUALCONCEPT, sCONCEPTUALOBJECT, sCOPY, sCURRENT, sDETECTABLE, sDOUBLE, sEMAIL, sEND, SEND, sFACE2FACE, sFAX, sFILEEXT, sFLOAT, sGEOGRAPHYCONCEPT, sGROUP, SHORT, SIMAGENT, sINT, sJAVA_TYPE, sLONG, sMAP, sNEW, sNONE, sNOWORK, sOBJECT, SOURCECODE, sPAGER, sPARAMETER, sPATH, sPHONE, sPRIVATE, sPROJECTEXT, sPROTECTED, sPUBLIC, sSHORT, sSTART, sSTRING, sSYMBOL, START, STRING, sUNKNOWN, sVOID, SYMBOL, TRUE, UDT, UML, UNASSIGNED, UNDEFINED, unknown, UNKNOWN, UNKNOWN_MODIFIER, V, VARIABLE, VOID, WHENEVER, WORKFRAME, WORLD, XML |
Constructor Summary | |
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VMWorkframe()
Constructor, creates a new workframe for use in the virtual machine. |
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VMWorkframe(java.lang.String name)
Constructor, creates a new workframe with the specified name for use in the virtual machine. |
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VMWorkframe(java.lang.String file,
int line)
Constructor, creates a new workframe for use in the virtual machine and for which its specification is stored in the specified file at the specified line number. |
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VMWorkframe(java.lang.String name,
java.lang.String file,
int line)
Constructor, creates a new workframe with the specified name for use in the virtual machine and for which its specification is stored in the specified file at the specified line number. |
Method Summary | |
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boolean |
addActivityRef(ActivityRef act)
Adds the specified activity reference to the body of the workframe |
IFrameCtx |
createContext()
Creates a new context for this frame for use in a virtual machine. |
int |
getActivityCount()
Returns the number of activities specified in the body of the workframe |
boolean |
removeActivityRef(ActivityRef act)
Removes the specified activity reference from the body of the workframe |
Methods inherited from class gov.nasa.arc.brahms.common.data.Workframe |
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addAssignment, addDelete, addDetectable, addMethodInvocation, delete, getDetectable, getDetectables, getType, hasDetectables, removeAssignment, removeDelete, removeDetectable, removeMethodInvocation, setID, setType |
Methods inherited from class gov.nasa.arc.brahms.common.data.BFrame |
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addBodyElement, addConsequence, addPrecondition, addVariable, getBody, getBodyElement, getFullyQualifiedName, getNumberOfBodyElements, getNumberOfPreconditions, getPreconditions, getPriority, getQualifiedName, getVariable, getVariables, hasBody, hasPreconditions, hasVariables, isRepeat, removeBodyElement, removeConsequence, removePrecondition, removeVariable, setOwner, setOwner, setPriority, setRepeat |
Methods inherited from class gov.nasa.arc.brahms.common.data.NamedModelElement |
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getDisplayText, getName, getOwner, setDisplayText, setFullyQualifiedName, setName, setOwner, toString |
Methods inherited from class gov.nasa.arc.brahms.common.data.BrahmsObject |
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export, getFile, getID, getLine, getSerialNumber, isBCC, isDynamic, isLoaded, isResolved, setBCC, setDynamic, setFile, setID, setLine, setLoaded, setResolved, setSerialNumber |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public VMWorkframe()
public VMWorkframe(java.lang.String name)
name
- the name of the workframepublic VMWorkframe(java.lang.String file, int line)
file
- the file in which the workframe is specifiedline
- the line number at which the workframe's specification starts in the filepublic VMWorkframe(java.lang.String name, java.lang.String file, int line)
name
- the name of the workframefile
- the file in which the workframe is specifiedline
- the line number at which the workframe's specification starts in the fileMethod Detail |
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public boolean addActivityRef(ActivityRef act)
addActivityRef
in class Workframe
act
- the ActivityRef to be added to the body
public boolean removeActivityRef(ActivityRef act)
removeActivityRef
in class Workframe
act
- the ActivityRef to be removed from the body
public int getActivityCount()
public IFrameCtx createContext()
Note: This method always returns a new instance and does not verify whether one is already created.
createContext
in class Workframe
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