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org.eclipse.uml2.uml
Interface Transition

All Superinterfaces:
Element, org.eclipse.emf.ecore.EModelElement, org.eclipse.emf.ecore.EObject, NamedElement, Namespace, org.eclipse.emf.common.notify.Notifier, RedefinableElement
All Known Subinterfaces:
ProtocolTransition

public interface Transition
extends Namespace, RedefinableElement

A representation of the model object ' Transition '. A transition is a directed relationship between a source vertex and a target vertex. It may be part of a compound transition, which takes the state machine from one state configuration to another, representing the complete response of the state machine to an occurrence of an event of a particular type.

The following features are supported:

See Also:
UMLPackage.getTransition()

Field Summary
 
Fields inherited from interface org.eclipse.uml2.uml. NamedElement
SEPARATOR
 
Fields inherited from interface org.eclipse.uml2.uml. NamedElement
SEPARATOR
 
Method Summary
  StateMachine containingStateMachine ()
          The query containingStateMachine() returns the state machine that contains the transition either directly or transitively.
  Behavior createEffect (java.lang.String name, org.eclipse.emf.ecore.EClass eClass)
          Creates a new Behavior, with the specified ' Name ', and sets the ' Effect ' containment reference
  Constraint createGuard (java.lang.String name)
          Creates a new Constraint,with the specified ' Name ', and sets the ' Guard ' reference
  Constraint createGuard (java.lang.String name, org.eclipse.emf.ecore.EClass eClass)
          Creates a new Constraint, with the specified ' Name ', and sets the ' Guard ' reference
  Trigger createTrigger (java.lang.String name)
          Creates a new Trigger, with the specified ' Name ', and appends it to the ' Trigger ' containment reference list
  Region getContainer ()
          Returns the value of the ' Container ' container reference.
  Behavior getEffect ()
          Returns the value of the ' Effect ' containment reference.
  Constraint getGuard ()
          Returns the value of the ' Guard ' reference.
  TransitionKind getKind ()
          Returns the value of the ' Kind ' attribute.
  Transition getRedefinedTransition ()
          Returns the value of the ' Redefined Transition ' reference.
  Vertex getSource ()
          Returns the value of the ' Source ' reference
  Vertex getTarget ()
          Returns the value of the ' Target ' reference
  Trigger getTrigger (java.lang.String name)
          Retrieves the first Trigger with the specified ' Name ' from the ' Trigger ' containment reference list
  Trigger getTrigger (java.lang.String name, boolean ignoreCase, boolean createOnDemand)
          Retrieves the first Trigger with the specified ' Name ' from the ' Trigger ' containment reference list
 org.eclipse.emf.common.util.EList< Trigger> getTriggers ()
          Returns the value of the ' Trigger ' containment reference list.
  Classifier redefinitionContext ()
          The redefinition context of a transition is the nearest containing statemachine.
 void setContainer ( Region value)
          Sets the value of the ' Container' container reference
 void setEffect ( Behavior value)
          Sets the value of the ' Effect' containment reference
 void setGuard ( Constraint value)
          Sets the value of the ' Guard' reference
 void setKind ( TransitionKind value)
          Sets the value of the ' Kind' attribute
 void setRedefinedTransition ( Transition value)
          Sets the value of the ' Redefined Transition' reference
 void setSource ( Vertex value)
          Sets the value of the ' Source' reference
 void setTarget ( Vertex value)
          Sets the value of the ' Target' reference
 boolean validateForkSegmentGuards (org.eclipse.emf.common.util.DiagnosticChain diagnostics, java.util.Map<java.lang.Object,java.lang.Object> context)
          A fork segment must not have guards or triggers.
 boolean validateForkSegmentState (org.eclipse.emf.common.util.DiagnosticChain diagnostics, java.util.Map<java.lang.Object,java.lang.Object> context)
          A fork segment must always target a state.
 boolean validateInitialTransition (org.eclipse.emf.common.util.DiagnosticChain diagnostics, java.util.Map<java.lang.Object,java.lang.Object> context)
          An initial transition at the topmost level (region of a statemachine) either has no trigger or it has a trigger with the stereotype <>.
 boolean validateJoinSegmentGuards (org.eclipse.emf.common.util.DiagnosticChain diagnostics, java.util.Map<java.lang.Object,java.lang.Object> context)
          A join segment must not have guards or triggers.
 boolean validateJoinSegmentState (org.eclipse.emf.common.util.DiagnosticChain diagnostics, java.util.Map<java.lang.Object,java.lang.Object> context)
          A join segment must always originate from a state.
 boolean validateOutgoingPseudostates (org.eclipse.emf.common.util.DiagnosticChain diagnostics, java.util.Map<java.lang.Object,java.lang.Object> context)
          Transitions outgoing pseudostates may not have a trigger.
 boolean validateSignaturesCompatible (org.eclipse.emf.common.util.DiagnosticChain diagnostics, java.util.Map<java.lang.Object,java.lang.Object> context)
          In case of more than one trigger, the signatures of these must be compatible in case the parameters of the signal are assigned to local variables/attributes.
 
Methods inherited from interface org.eclipse.uml2.uml. Namespace
createElementImport, createElementImport, createOwnedRule, createOwnedRule, createPackageImport, createPackageImport, excludeCollisions, getElementImport, getElementImport, getElementImports, getImportedElements, getImportedMember, getImportedMember, getImportedMembers, getImportedPackages, getMember, getMember, getMembers, getNamesOfMember, getOwnedMember, getOwnedMember, getOwnedMembers, getOwnedRule, getOwnedRule, getOwnedRules, getPackageImport, getPackageImport, getPackageImports, importMembers, membersAreDistinguishable, validateMembersDistinguishable
 
Methods inherited from interface org.eclipse.uml2.uml. NamedElement
allNamespaces, allOwningPackages, createDependency, createNameExpression, createUsage, getClientDependencies, getClientDependency, getClientDependency, getLabel, getLabel, getName, getNameExpression, getNamespace, getQualifiedName, getVisibility, isDistinguishableFrom, isSetName, isSetVisibility, separator, setName, setNameExpression, setVisibility, unsetName, unsetVisibility, validateHasNoQualifiedName, validateHasQualifiedName, validateVisibilityNeedsOwnership
 
Methods inherited from interface org.eclipse.uml2.uml. Element
addKeyword, allOwnedElements, applyStereotype, createEAnnotation, createOwnedComment, destroy, getApplicableStereotype, getApplicableStereotypes, getAppliedStereotype, getAppliedStereotypes, getAppliedSubstereotype, getAppliedSubstereotypes, getKeywords, getModel, getNearestPackage, getOwnedComments, getOwnedElements, getOwner, getRelationships, getRelationships, getRequiredStereotype, getRequiredStereotypes, getSourceDirectedRelationships, getSourceDirectedRelationships, getStereotypeApplication, getStereotypeApplications, getTargetDirectedRelationships, getTargetDirectedRelationships, getValue, hasKeyword, hasValue, isStereotypeApplicable, isStereotypeApplied, isStereotypeRequired, mustBeOwned, removeKeyword, setValue, unapplyStereotype, validateHasOwner, validateNotOwnSelf
 
Methods inherited from interface org.eclipse.emf.ecore.EModelElement
getEAnnotation, getEAnnotations
 
Methods inherited from interface org.eclipse.emf.ecore.EObject
eAllContents, eClass, eContainer, eContainingFeature, eContainmentFeature, eContents, eCrossReferences, eGet, eGet, eIsProxy, eIsSet, eResource, eSet, eUnset
 
Methods inherited from interface org.eclipse.emf.common.notify.Notifier
eAdapters, eDeliver, eNotify, eSetDeliver
 
Methods inherited from interface org.eclipse.uml2.uml. RedefinableElement
getRedefinedElement, getRedefinedElement, getRedefinedElements, getRedefinitionContext, getRedefinitionContext, getRedefinitionContexts, isConsistentWith, isLeaf, isRedefinitionContextValid, setIsLeaf, validateRedefinitionConsistent, validateRedefinitionContextValid
 
Methods inherited from interface org.eclipse.uml2.uml. NamedElement
allNamespaces, allOwningPackages, createDependency, createNameExpression, createUsage, getClientDependencies, getClientDependency, getClientDependency, getLabel, getLabel, getName, getNameExpression, getNamespace, getQualifiedName, getVisibility, isDistinguishableFrom, isSetName, isSetVisibility, separator, setName, setNameExpression, setVisibility, unsetName, unsetVisibility, validateHasNoQualifiedName, validateHasQualifiedName, validateVisibilityNeedsOwnership
 
Methods inherited from interface org.eclipse.uml2.uml. Element
addKeyword, allOwnedElements, applyStereotype, createEAnnotation, createOwnedComment, destroy, getApplicableStereotype, getApplicableStereotypes, getAppliedStereotype, getAppliedStereotypes, getAppliedSubstereotype, getAppliedSubstereotypes, getKeywords, getModel, getNearestPackage, getOwnedComments, getOwnedElements, getOwner, getRelationships, getRelationships, getRequiredStereotype, getRequiredStereotypes, getSourceDirectedRelationships, getSourceDirectedRelationships, getStereotypeApplication, getStereotypeApplications, getTargetDirectedRelationships, getTargetDirectedRelationships, getValue, hasKeyword, hasValue, isStereotypeApplicable, isStereotypeApplied, isStereotypeRequired, mustBeOwned, removeKeyword, setValue, unapplyStereotype, validateHasOwner, validateNotOwnSelf
 
Methods inherited from interface org.eclipse.emf.ecore.EModelElement
getEAnnotation, getEAnnotations
 
Methods inherited from interface org.eclipse.emf.ecore.EObject
eAllContents, eClass, eContainer, eContainingFeature, eContainmentFeature, eContents, eCrossReferences, eGet, eGet, eIsProxy, eIsSet, eResource, eSet, eUnset
 
Methods inherited from interface org.eclipse.emf.common.notify.Notifier
eAdapters, eDeliver, eNotify, eSetDeliver
 

Method Detail

getKind

TransitionKind getKind()
Returns the value of the ' Kind ' attribute. The default value is "external". The literals are from the enumeration TransitionKind. Indicates the precise type of the transition.

Returns:
the value of the 'Kind' attribute.
See Also:
TransitionKind, setKind(TransitionKind), UMLPackage.getTransition_Kind()

setKind

void setKind(
TransitionKind value)
Sets the value of the ' Kind' attribute.

Parameters:
value - the new value of the 'Kind' attribute.
See Also:
TransitionKind, getKind()

getContainer

Region getContainer()
Returns the value of the ' Container ' container reference. It is bidirectional and its opposite is ' Transition'.

This feature subsets the following features:

Designates the region that owns this transition.

Returns:
the value of the 'Container' container reference.
See Also:
setContainer(Region), UMLPackage.getTransition_Container(), Region.getTransitions()

setContainer

void setContainer(
Region value)
Sets the value of the ' Container' container reference.

Parameters:
value - the new value of the 'Container' container reference.
See Also:
getContainer()

getTarget

Vertex getTarget()
Returns the value of the ' Target ' reference. Designates the target vertex that is reached when the transition is taken.

Returns:
the value of the 'Target' reference.
See Also:
setTarget(Vertex), UMLPackage.getTransition_Target()

setTarget

void setTarget(
Vertex value)
Sets the value of the ' Target' reference.

Parameters:
value - the new value of the 'Target' reference.
See Also:
getTarget()

getRedefinedTransition

Transition getRedefinedTransition()
Returns the value of the ' Redefined Transition ' reference.

This feature subsets the following features:

The transition that is redefined by this transition.

Returns:
the value of the 'Redefined Transition' reference.
See Also:
setRedefinedTransition(Transition), UMLPackage.getTransition_RedefinedTransition()

setRedefinedTransition

void setRedefinedTransition(
Transition value)
Sets the value of the ' Redefined Transition' reference.

Parameters:
value - the new value of the 'Redefined Transition' reference.
See Also:
getRedefinedTransition()

getGuard

Constraint getGuard()
Returns the value of the ' Guard ' reference.

This feature subsets the following features:

A guard is a constraint that provides a fine-grained control over the firing of the transition. The guard is evaluated when an event occurrence is dispatched by the state machine. If the guard is true at that time, the transition may be enabled, otherwise, it is disabled. Guards should be pure expressions without side effects. Guard expressions with side effects are ill formed.

Returns:
the value of the 'Guard' reference.
See Also:
setGuard(Constraint), UMLPackage.getTransition_Guard()

setGuard

void setGuard(
Constraint value)
Sets the value of the ' Guard' reference.

Parameters:
value - the new value of the 'Guard' reference.
See Also:
getGuard()

createGuard

Constraint createGuard(java.lang.String name,
                       org.eclipse.emf.ecore.EClass eClass)
Creates a new Constraint, with the specified ' Name ', and sets the ' Guard ' reference.

Parameters:
name - The ' Name ' for the new Constraint, or null.
eClass - The Ecore class of the Constraint to create.
Returns:
The new Constraint.
See Also:
getGuard()

createGuard

Constraint createGuard(java.lang.String name)
Creates a new Constraint,with the specified ' Name ', and sets the ' Guard ' reference.

Parameters:
name - The ' Name ' for the new Constraint, or null.
Returns:
The new Constraint.
See Also:
getGuard()

getEffect

Behavior getEffect()
Returns the value of the ' Effect ' containment reference.

This feature subsets the following features:

Specifies an optional behavior to be performed when the transition fires.

Returns:
the value of the 'Effect' containment reference.
See Also:
setEffect(Behavior), UMLPackage.getTransition_Effect()

setEffect

void setEffect(
Behavior value)
Sets the value of the ' Effect' containment reference.

Parameters:
value - the new value of the 'Effect' containment reference.
See Also:
getEffect()

createEffect

Behavior createEffect(java.lang.String name,
                      org.eclipse.emf.ecore.EClass eClass)
Creates a new Behavior, with the specified ' Name ', and sets the ' Effect ' containment reference.

Parameters:
name - The ' Name ' for the new Behavior, or null.
eClass - The Ecore class of the Behavior to create.
Returns:
The new Behavior.
See Also:
getEffect()

getTriggers

org.eclipse.emf.common.util.EList<
Trigger> getTriggers()
Returns the value of the ' Trigger ' containment reference list. The list contents are of type Trigger. Specifies the triggers that may fire the transition.

Returns:
the value of the 'Trigger' containment reference list.
See Also:
UMLPackage.getTransition_Trigger()

createTrigger

Trigger createTrigger(java.lang.String name)
Creates a new Trigger, with the specified ' Name ', and appends it to the ' Trigger ' containment reference list.

Parameters:
name - The ' Name ' for the new Trigger, or null.
Returns:
The new Trigger.
See Also:
getTriggers()

getTrigger

Trigger getTrigger(java.lang.String name)
Retrieves the first Trigger with the specified ' Name ' from the ' Trigger ' containment reference list.

Parameters:
name - The ' Name ' of the Trigger to retrieve, or null.
Returns:
The first Trigger with the specified ' Name ', or null.
See Also:
getTriggers()

getTrigger

Trigger getTrigger(java.lang.String name,
                   boolean ignoreCase,
                   boolean createOnDemand)
Retrieves the first Trigger with the specified ' Name ' from the ' Trigger ' containment reference list.

Parameters:
name - The ' Name ' of the Trigger to retrieve, or null.
ignoreCase - Whether to ignore case in String comparisons.
createOnDemand - Whether to create a Trigger on demand if not found.
Returns:
The first Trigger with the specified ' Name ', or null.
See Also:
getTriggers()

getSource

Vertex getSource()
Returns the value of the ' Source ' reference. Designates the originating vertex (state or pseudostate) of the transition.

Returns:
the value of the 'Source' reference.
See Also:
setSource(Vertex), UMLPackage.getTransition_Source()

setSource

void setSource(
Vertex value)
Sets the value of the ' Source' reference.

Parameters:
value - the new value of the 'Source' reference.
See Also:
getSource()

validateForkSegmentGuards

boolean validateForkSegmentGuards(org.eclipse.emf.common.util.DiagnosticChain diagnostics,
                                  java.util.Map<java.lang.Object,java.lang.Object> context)
A fork segment must not have guards or triggers. (source.oclIsKindOf(Pseudostate) and source.kind = #fork) implies (guard->isEmpty() and trigger->isEmpty())

Parameters:
diagnostics - The chain of diagnostics to which problems are to be appended.
context - The cache of context-specific information.

validateJoinSegmentGuards

boolean validateJoinSegmentGuards(org.eclipse.emf.common.util.DiagnosticChain diagnostics,
                                  java.util.Map<java.lang.Object,java.lang.Object> context)
A join segment must not have guards or triggers. (target.oclIsKindOf(Pseudostate) and target.kind = #join) implies (guard->isEmpty() and trigger->isEmpty())

Parameters:
diagnostics - The chain of diagnostics to which problems are to be appended.
context - The cache of context-specific information.

validateForkSegmentState

boolean validateForkSegmentState(org.eclipse.emf.common.util.DiagnosticChain diagnostics,
                                 java.util.Map<java.lang.Object,java.lang.Object> context)
A fork segment must always target a state. (source.oclIsKindOf(Pseudostate) and source.kind = #fork) implies (target.oclIsKindOf(State))

Parameters:
diagnostics - The chain of diagnostics to which problems are to be appended.
context - The cache of context-specific information.

validateJoinSegmentState

boolean validateJoinSegmentState(org.eclipse.emf.common.util.DiagnosticChain diagnostics,
                                 java.util.Map<java.lang.Object,java.lang.Object> context)
A join segment must always originate from a state. (target.oclIsKindOf(Pseudostate) and target.kind = #join) implies (source.oclIsKindOf(State))

Parameters:
diagnostics - The chain of diagnostics to which problems are to be appended.
context - The cache of context-specific information.

validateOutgoingPseudostates

boolean validateOutgoingPseudostates(org.eclipse.emf.common.util.DiagnosticChain diagnostics,
                                     java.util.Map<java.lang.Object,java.lang.Object> context)
Transitions outgoing pseudostates may not have a trigger. source.oclIsKindOf(Pseudostate) and (source.kind <> #initial)) implies trigger->isEmpty()

Parameters:
diagnostics - The chain of diagnostics to which problems are to be appended.
context - The cache of context-specific information.

validateInitialTransition

boolean validateInitialTransition(org.eclipse.emf.common.util.DiagnosticChain diagnostics,
                                  java.util.Map<java.lang.Object,java.lang.Object> context)
An initial transition at the topmost level (region of a statemachine) either has no trigger or it has a trigger with the stereotype <>. self.source.oclIsKindOf(Pseudostate) implies (self.source.oclAsType(Pseudostate).kind = #initial) implies (self.source.container = self.stateMachine.top) implies ((self.trigger->isEmpty) or (self.trigger.stereotype.name = 'create'))

Parameters:
diagnostics - The chain of diagnostics to which problems are to be appended.
context - The cache of context-specific information.

validateSignaturesCompatible

boolean validateSignaturesCompatible(org.eclipse.emf.common.util.DiagnosticChain diagnostics,
                                     java.util.Map<java.lang.Object,java.lang.Object> context)
In case of more than one trigger, the signatures of these must be compatible in case the parameters of the signal are assigned to local variables/attributes. true

Parameters:
diagnostics - The chain of diagnostics to which problems are to be appended.
context - The cache of context-specific information.

redefinitionContext

Classifier redefinitionContext()
The redefinition context of a transition is the nearest containing statemachine. result = let sm = containingStateMachine() in if sm.context->isEmpty() or sm.general->notEmpty() then sm else sm.context endif


containingStateMachine

StateMachine containingStateMachine()
The query containingStateMachine() returns the state machine that contains the transition either directly or transitively. result = container.containingStateMachine()


Copyright 2003, 2007 IBM Corporation and others.
All Rights Reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire