| /* |
| * Copyright (c) 2005, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM - initial API and implementation |
| * |
| * $Id: StateOperations.java,v 1.6 2006/01/06 02:26:06 khussey Exp $ |
| */ |
| package org.eclipse.uml2.uml.internal.operations; |
| |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.eclipse.emf.common.util.BasicDiagnostic; |
| import org.eclipse.emf.common.util.Diagnostic; |
| import org.eclipse.emf.common.util.DiagnosticChain; |
| import org.eclipse.emf.common.util.EList; |
| |
| import org.eclipse.uml2.uml.BehavioredClassifier; |
| import org.eclipse.uml2.uml.Classifier; |
| import org.eclipse.uml2.uml.RedefinableElement; |
| import org.eclipse.uml2.uml.Region; |
| import org.eclipse.uml2.uml.State; |
| import org.eclipse.uml2.uml.StateMachine; |
| |
| import org.eclipse.uml2.uml.util.UMLValidator; |
| |
| /** |
| * <!-- begin-user-doc --> |
| * A static utility class that provides operations related to '<em><b>State</b></em>' model objects. |
| * <!-- end-user-doc --> |
| * |
| * <p> |
| * The following operations are supported: |
| * <ul> |
| * <li>{@link org.eclipse.uml2.uml.State#validateSubmachineStates(org.eclipse.emf.common.util.DiagnosticChain, java.util.Map) <em>Validate Submachine States</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.State#validateDestinationsOrSourcesOfTransitions(org.eclipse.emf.common.util.DiagnosticChain, java.util.Map) <em>Validate Destinations Or Sources Of Transitions</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.State#validateSubmachineOrRegions(org.eclipse.emf.common.util.DiagnosticChain, java.util.Map) <em>Validate Submachine Or Regions</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.State#validateCompositeStates(org.eclipse.emf.common.util.DiagnosticChain, java.util.Map) <em>Validate Composite States</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.State#validateEntryOrExit(org.eclipse.emf.common.util.DiagnosticChain, java.util.Map) <em>Validate Entry Or Exit</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.State#isSimple() <em>Is Simple</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.State#isComposite() <em>Is Composite</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.State#isOrthogonal() <em>Is Orthogonal</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.State#isSubmachineState() <em>Is Submachine State</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.State#redefinitionContext() <em>Redefinition Context</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.State#isRedefinitionContextValid(org.eclipse.uml2.uml.State) <em>Is Redefinition Context Valid</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.State#isConsistentWith(org.eclipse.uml2.uml.RedefinableElement) <em>Is Consistent With</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.State#containingStateMachine() <em>Containing State Machine</em>}</li> |
| * </ul> |
| * </p> |
| * |
| * @generated |
| */ |
| public class StateOperations |
| extends NamespaceOperations { |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| protected StateOperations() { |
| super(); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * Only submachine states can have connection point references. |
| * isSubmachineState implies connection->notEmpty ( ) |
| * <!-- end-model-doc --> |
| * @generated |
| */ |
| public static boolean validateSubmachineStates(State state, |
| DiagnosticChain diagnostics, Map context) { |
| // TODO: implement this method |
| // -> specify the condition that violates the invariant |
| // -> verify the details of the diagnostic, including severity and message |
| // Ensure that you remove @generated or mark it @generated NOT |
| if (false) { |
| if (diagnostics != null) { |
| diagnostics |
| .add(new BasicDiagnostic( |
| Diagnostic.ERROR, |
| UMLValidator.DIAGNOSTIC_SOURCE, |
| UMLValidator.STATE__SUBMACHINE_STATES, |
| org.eclipse.emf.ecore.plugin.EcorePlugin.INSTANCE |
| .getString( |
| "_UI_GenericInvariant_diagnostic", new Object[]{"validateSubmachineStates", org.eclipse.emf.ecore.util.EObjectValidator.getObjectLabel(state, context)}), //$NON-NLS-1$ //$NON-NLS-2$ |
| new Object[]{state})); |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * The connection point references used as destinations/sources of transitions associated with a submachine state must be defined as entry/exit points in the submachine state machine. |
| * self.isSubmachineState implies (self.connection->forAll (cp | |
| * |
| * cp.entry->forAll (p | p.statemachine = self.submachine) and |
| * |
| * cp.exit->forAll (p | p.statemachine = self.submachine))) |
| * <!-- end-model-doc --> |
| * @generated |
| */ |
| public static boolean validateDestinationsOrSourcesOfTransitions( |
| State state, DiagnosticChain diagnostics, Map context) { |
| // TODO: implement this method |
| // -> specify the condition that violates the invariant |
| // -> verify the details of the diagnostic, including severity and message |
| // Ensure that you remove @generated or mark it @generated NOT |
| if (false) { |
| if (diagnostics != null) { |
| diagnostics |
| .add(new BasicDiagnostic( |
| Diagnostic.ERROR, |
| UMLValidator.DIAGNOSTIC_SOURCE, |
| UMLValidator.STATE__DESTINATIONS_OR_SOURCES_OF_TRANSITIONS, |
| org.eclipse.emf.ecore.plugin.EcorePlugin.INSTANCE |
| .getString( |
| "_UI_GenericInvariant_diagnostic", new Object[]{"validateDestinationsOrSourcesOfTransitions", org.eclipse.emf.ecore.util.EObjectValidator.getObjectLabel(state, context)}), //$NON-NLS-1$ //$NON-NLS-2$ |
| new Object[]{state})); |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * A state is not allowed to have both a submachine and regions. |
| * isComposite implies not isSubmachineState |
| * <!-- end-model-doc --> |
| * @generated |
| */ |
| public static boolean validateSubmachineOrRegions(State state, |
| DiagnosticChain diagnostics, Map context) { |
| // TODO: implement this method |
| // -> specify the condition that violates the invariant |
| // -> verify the details of the diagnostic, including severity and message |
| // Ensure that you remove @generated or mark it @generated NOT |
| if (false) { |
| if (diagnostics != null) { |
| diagnostics |
| .add(new BasicDiagnostic( |
| Diagnostic.ERROR, |
| UMLValidator.DIAGNOSTIC_SOURCE, |
| UMLValidator.STATE__SUBMACHINE_OR_REGIONS, |
| org.eclipse.emf.ecore.plugin.EcorePlugin.INSTANCE |
| .getString( |
| "_UI_GenericInvariant_diagnostic", new Object[]{"validateSubmachineOrRegions", org.eclipse.emf.ecore.util.EObjectValidator.getObjectLabel(state, context)}), //$NON-NLS-1$ //$NON-NLS-2$ |
| new Object[]{state})); |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * Only composite states can have entry or exit pseudostates defined. |
| * connectionPoint->notEmpty() implies isComoposite |
| * <!-- end-model-doc --> |
| * @generated |
| */ |
| public static boolean validateCompositeStates(State state, |
| DiagnosticChain diagnostics, Map context) { |
| // TODO: implement this method |
| // -> specify the condition that violates the invariant |
| // -> verify the details of the diagnostic, including severity and message |
| // Ensure that you remove @generated or mark it @generated NOT |
| if (false) { |
| if (diagnostics != null) { |
| diagnostics |
| .add(new BasicDiagnostic( |
| Diagnostic.ERROR, |
| UMLValidator.DIAGNOSTIC_SOURCE, |
| UMLValidator.STATE__COMPOSITE_STATES, |
| org.eclipse.emf.ecore.plugin.EcorePlugin.INSTANCE |
| .getString( |
| "_UI_GenericInvariant_diagnostic", new Object[]{"validateCompositeStates", org.eclipse.emf.ecore.util.EObjectValidator.getObjectLabel(state, context)}), //$NON-NLS-1$ //$NON-NLS-2$ |
| new Object[]{state})); |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * Only entry or exit pseudostates can serve as connection points. |
| * connectionPoint->forAll(cp|cp.kind = #entry or cp.kind = #exit) |
| * <!-- end-model-doc --> |
| * @generated |
| */ |
| public static boolean validateEntryOrExit(State state, |
| DiagnosticChain diagnostics, Map context) { |
| // TODO: implement this method |
| // -> specify the condition that violates the invariant |
| // -> verify the details of the diagnostic, including severity and message |
| // Ensure that you remove @generated or mark it @generated NOT |
| if (false) { |
| if (diagnostics != null) { |
| diagnostics |
| .add(new BasicDiagnostic( |
| Diagnostic.ERROR, |
| UMLValidator.DIAGNOSTIC_SOURCE, |
| UMLValidator.STATE__ENTRY_OR_EXIT, |
| org.eclipse.emf.ecore.plugin.EcorePlugin.INSTANCE |
| .getString( |
| "_UI_GenericInvariant_diagnostic", new Object[]{"validateEntryOrExit", org.eclipse.emf.ecore.util.EObjectValidator.getObjectLabel(state, context)}), //$NON-NLS-1$ //$NON-NLS-2$ |
| new Object[]{state})); |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * A simple state is a state without any regions. |
| * result = region.isEmpty() |
| * <!-- end-model-doc --> |
| * @generated NOT |
| */ |
| public static boolean isSimple(State state) { |
| return state.getRegions().isEmpty(); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * A composite state is a state with at least one region. |
| * result = region.notEmpty() |
| * <!-- end-model-doc --> |
| * @generated NOT |
| */ |
| public static boolean isComposite(State state) { |
| return !state.getRegions().isEmpty(); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * An orthogonal state is a composite state with at least 2 regions |
| * result = (region->size () > 1) |
| * <!-- end-model-doc --> |
| * @generated NOT |
| */ |
| public static boolean isOrthogonal(State state) { |
| return state.getRegions().size() > 1; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * Only submachine states can have a reference statemachine. |
| * result = submachine.notEmpty() |
| * <!-- end-model-doc --> |
| * @generated NOT |
| */ |
| public static boolean isSubmachineState(State state) { |
| return state.getSubmachine() != null; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * The redefinition context of a state is the nearest containing statemachine. |
| * result = let sm = containingStateMachine() in |
| * if sm.context->isEmpty() or sm.general->notEmpty() then |
| * sm |
| * else |
| * sm.context |
| * endif |
| * <!-- end-model-doc --> |
| * @generated NOT |
| */ |
| public static Classifier redefinitionContext(State state) { |
| StateMachine sm = state.containingStateMachine(); |
| |
| if (sm != null) { |
| BehavioredClassifier context = sm.getContext(); |
| return context == null || !sm.getGenerals().isEmpty() |
| ? sm |
| : context; |
| } |
| |
| return null; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * The query isRedefinitionContextValid() specifies whether the redefinition contexts of a state are properly related to the redefinition contexts of the specified state to allow this element to redefine the other. The containing region of a redefining state must redefine the containing region of the redefined state. |
| * result = true |
| * <!-- end-model-doc --> |
| * @generated NOT |
| */ |
| public static boolean isRedefinitionContextValid(State state, |
| State redefined) { |
| Region container = state.getContainer(); |
| |
| if (container != null && redefined != null) { |
| return container.getExtendedRegion() == redefined.getContainer(); |
| } |
| |
| return false; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * The query isConsistentWith() specifies that a redefining state is consistent with a redefined state provided that the redefining state is an extension of the redefined state: A simple state can be redefined (extended) to become a composite state (by adding a region) and a composite state can be redefined (extended) by adding regions and by adding vertices, states, and transitions to inherited regions. All states may add or replace entry, exit, and 'doActivity' actions. |
| * result = true |
| * <!-- end-model-doc --> |
| * @generated NOT |
| */ |
| public static boolean isConsistentWith(State state, |
| RedefinableElement redefinee) { |
| |
| if (redefinee.isRedefinitionContextValid(state)) { |
| State redefineeState = (State) redefinee; |
| |
| if (state.isSimple()) { |
| return redefineeState.isComposite(); |
| } else if (state.isComposite()) { |
| EList regions = state.getRegions(); |
| |
| for (Iterator redefineeRegions = redefineeState.getRegions() |
| .iterator(); redefineeRegions.hasNext();) { |
| |
| Region redefineeRegion = (Region) redefineeRegions.next(); |
| Region extendedRegion = redefineeRegion.getExtendedRegion(); |
| |
| if (regions.contains(extendedRegion) |
| && !extendedRegion.isConsistentWith(redefineeRegion)) { |
| |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * The query containingStateMachine() returns the state machine that |
| * contains the state either directly or transitively. result = |
| * container.containingStateMachine() |
| * <!-- end-model-doc --> |
| * @generated NOT |
| */ |
| public static StateMachine containingStateMachine(State state) { |
| Region container = state.getContainer(); |
| return container == null |
| ? null |
| : container.containingStateMachine(); |
| } |
| |
| } // StateOperations |
