Examples with ErrorFlow org.osate.xtext.aadl2.errormodel.errorModel.ErrorFlow used on opensource projects

Example 1 with ErrorFlow

use of org.osate.xtext.aadl2.errormodel.errorModel.ErrorFlow in project osate2 by osate.

the class EMV2Util method getAllErrorPaths.

/**
 * return list of error paths including those inherited from classifiers being extended
 * @param cl Classifier
 * @return Collection<ErrorSource> list of error paths declared in the flow section
 */
public static Collection<ErrorPath> getAllErrorPaths(Classifier cl) {
    HashMap<String, ErrorPath> result = new LinkedHashMap<>();
    EList<ErrorModelSubclause> emslist = getAllContainingClassifierEMV2Subclauses(cl);
    for (ErrorModelSubclause errorModelSubclause : emslist) {
        EList<ErrorFlow> eflist = errorModelSubclause.getFlows();
        for (ErrorFlow errorFlow : eflist) {
            if (errorFlow instanceof ErrorPath) {
                if (!result.containsKey(errorFlow.getName())) {
                    result.put(errorFlow.getName(), (ErrorPath) errorFlow);
                }
            }
        }
    }
    return result.values();
}

Example 2 with ErrorFlow

use of org.osate.xtext.aadl2.errormodel.errorModel.ErrorFlow in project osate2 by osate.

the class PropagateErrorSources method traceErrorFlows.

/**
 * traverse through the destination of the connection instance
 * @param conni
 */
protected void traceErrorFlows(ComponentInstance ci, ErrorPropagation ep, TypeToken tt, int depth, String entryText) {
    if (ci == null) {
        return;
    }
    /**
     * With alreadyTreated, we have a cache that keep track of existing report
     * text for each component. For each component, we maintain a list of existing
     * entryText already reported. So, we do not duplicate the error report for each component
     * and make sure to report each entry only once.
     */
    if (!alreadyTreated.containsKey(ci)) {
        alreadyTreated.put(ci, new ArrayList<String>());
    }
    if (alreadyTreated.get(ci).contains(entryText)) {
        return;
    }
    alreadyTreated.get(ci).add(entryText);
    boolean handled = false;
    Collection<ErrorFlow> outefs = EMV2Util.findErrorFlowFromComponentInstance(ci, ep);
    for (ErrorFlow ef : outefs) {
        if (ef instanceof ErrorSink && Util.conditionHolds(ef, ci)) {
            /**
             * We try to find additional error propagation for this error sink.
             * For example, if the error sink triggers to switch to
             * another behavior state and that states is used to propagate
             * an error through an error source. Then, we do not consider
             * it as an error sink but as an error path and continue
             * to trace the flow using this additional error propagation.
             */
            if (EMV2TypeSetUtil.contains(ef.getTypeTokenConstraint(), tt)) {
                String maskText = ", " + generateFailureModeText(ci, ep, tt) + " [Masked],";
                reportEntry(entryText + maskText, depth);
                handled = true;
            } else {
                Collection<TypeToken> intersection = EMV2TypeSetUtil.getConstrainedTypeTokens(ef.getTypeTokenConstraint(), tt);
                for (TypeToken typeToken : intersection) {
                    String maskText = ", " + generateFailureModeText(ci, ep, typeToken) + " [Masked],";
                    reportEntry(entryText + maskText, depth);
                    handled = true;
                }
            }
        } else if (ef instanceof ErrorPath) {
            // error path
            Collection<ErrorPropagation> eplist = EMV2Util.getOutgoingPropagationOrAll((ErrorPath) ef);
            ErrorPropagation inep = ((ErrorPath) ef).getIncoming();
            if (ef.getTypeTokenConstraint() != null ? EMV2TypeSetUtil.contains(ef.getTypeTokenConstraint(), tt) : (inep != null ? EMV2TypeSetUtil.contains(inep.getTypeSet(), tt) : ((ErrorPath) ef).isAllIncoming())) {
                TypeToken newtt = EMV2Util.mapToken(tt, ef);
                for (ErrorPropagation outp : eplist) {
                    traceErrorPaths(ci, outp, newtt, depth + 1, entryText + ", " + generateFailureModeText(ci, ep, tt));
                    handled = true;
                }
            } else {
                Collection<TypeToken> intersection = Collections.emptyList();
                TypeSet ts = null;
                if (ef.getTypeTokenConstraint() != null) {
                    ts = ef.getTypeTokenConstraint();
                } else if (inep != null) {
                    ts = inep.getTypeSet();
                }
                if (ts != null) {
                    intersection = EMV2TypeSetUtil.getConstrainedTypeTokens(ts, tt);
                }
                for (TypeToken typeToken : intersection) {
                    TypeToken newtt = EMV2Util.mapToken(typeToken, ef);
                    for (ErrorPropagation outp : eplist) {
                        traceErrorPaths(ci, outp, newtt, depth + 1, entryText + ",\"" + generateFailureModeText(ci, ep, typeToken) + " [Subtype]\"");
                        handled = true;
                    }
                }
            }
        }
    }
    if (!handled) {
        // no error flows:. and no flows condition
        // try flows or propagate to all outgoing error propagations
        EList<FlowSpecificationInstance> flowlist = ci.getFlowSpecifications();
        if (!flowlist.isEmpty()) {
            for (FlowSpecificationInstance flowSpecificationInstance : flowlist) {
                if (flowSpecificationInstance.getSource() != null && flowSpecificationInstance.getSource().getFeature() == EMV2Util.getErrorPropagationFeature(ep, ci)) {
                    FeatureInstance outfi = flowSpecificationInstance.getDestination();
                    if (outfi != null) {
                        ErrorPropagation outp = EMV2Util.getOutgoingErrorPropagation(outfi);
                        if (outp != null) {
                            TypeToken newtt = EMV2Util.mapToken(tt, flowSpecificationInstance);
                            if (EMV2TypeSetUtil.contains(outp.getTypeSet(), newtt)) {
                                traceErrorPaths(ci, outp, newtt, depth + 1, entryText + ", " + generateFailureModeText(ci, ep, tt) + " [FlowPath]");
                                handled = true;
                            } else {
                                Collection<TypeToken> intersection = EMV2TypeSetUtil.getConstrainedTypeTokens(outp.getTypeSet(), newtt);
                                for (TypeToken typeToken : intersection) {
                                    traceErrorPaths(ci, outp, typeToken, depth + 1, entryText + ", " + generateFailureModeText(ci, ep, tt) + " [FlowPath TypeSubset]");
                                    handled = true;
                                }
                            }
                        }
                    } else {
                        // do all since we have a flow sink
                        EList<FeatureInstance> filist = ci.getFeatureInstances();
                        boolean res = doAllOutPropagationsOrFeatures(ci, filist, ep, tt, depth, entryText);
                        if (res) {
                            handled = true;
                        }
                    }
                }
            }
        } else {
            // now all outgoing propagations or features since we did not find flows
            EList<FeatureInstance> filist = ci.getFeatureInstances();
            boolean res = doAllOutPropagationsOrFeatures(ci, filist, ep, tt, depth, entryText);
            if (res) {
                handled = true;
            }
        }
    }
    if (!handled) {
        String errorText = "," + generateFailureModeText(ci, ep, tt) + " [Unhandled Failure Effect]";
        reportEntry(entryText + errorText, depth);
    }
}

Example 3 with ErrorFlow

use of org.osate.xtext.aadl2.errormodel.errorModel.ErrorFlow in project osate2 by osate.

the class PropagationGraphBackwardTraversal method traverseOutgoingErrorPropagation.

/**
 * process an Outgoing Error Propagation by going backwards in the propagation graph
 * if preProcessOutgoingerrorPropagation returns non-null return its value as traverse result.
 * First we attempt to go backwards according to the component error behavior, i.e., the OutgoingPropagationCondition.
 * If subresults is non-null then return value of postProcessingErrorPropagationCOndition.
 * If not present we do it according to error flow specifications.
 *
 * @param component ComponentInstance
 * @param errorPropagation outgoing ErrorPropagation
 * @param type ErrorTypes
 * @return EObject (can be null)
 */
public EObject traverseOutgoingErrorPropagation(final ComponentInstance component, final ErrorPropagation errorPropagation, TypeToken proptype, BigDecimal scale) {
    List<EObject> subResults = new LinkedList<EObject>();
    Collection<TypeToken> filteredTypes = filterTokenThroughConstraint(errorPropagation.getTypeSet(), proptype);
    if (filteredTypes.isEmpty()) {
        return null;
    }
    HashMultimap<ErrorPropagation, String> handledEOPs = HashMultimap.create();
    boolean traverse = false;
    boolean hasCycle = false;
    for (TypeToken type : filteredTypes) {
        // we did follow an OPC.
        boolean didProp = false;
        EObject found = preProcessOutgoingErrorPropagation(component, errorPropagation, type, scale);
        if (found != null) {
            addSubresult(subResults, found);
            // found common event
            continue;
        }
        // we want to track cycles.
        // we do that by tagging the feature instance of the error propagation with the error type (as token)
        ErrorModelState st = null;
        FeatureInstance fi = EMV2Util.findFeatureInstance(errorPropagation, component);
        if (fi != null) {
            st = (ErrorModelState) ErrorModelStateAdapterFactory.INSTANCE.adapt(fi, ErrorModelState.class);
        } else {
            st = (ErrorModelState) ErrorModelStateAdapterFactory.INSTANCE.adapt(component, ErrorModelState.class);
        }
        if (st.visited(errorPropagation, type)) {
            // we were there before.
            hasCycle = true;
            continue;
        } else {
            st.setVisitToken(errorPropagation, type);
        }
        // processing call has to be after the preproccessing call so it is not found and we proceed in processing.
        // On the other hand it needs to be called here so the event exists in ftamodel and is found the next time around.
        // Originally we were creating the events bottom up thus the loop did not find the event.
        // EObject myEvent = processOutgoingErrorPropagation(component, errorPropagation, type, scale);
        Collection<ErrorFlow> errorFlows = EMV2Util.getAllErrorFlows(component);
        Collection<OutgoingPropagationCondition> opcs = EMV2Util.getAllOutgoingPropagationConditions(component);
        for (OutgoingPropagationCondition opc : opcs) {
            if ((opc.getTypeToken() != null && !isNoError(opc.getTypeToken())) || opc.getTypeToken() == null) {
                if (opc.isAllPropagations() || (EMV2Util.isSame(opc.getOutgoing(), errorPropagation))) {
                    // opc token if OPC token is subtype or same type
                    Collection<TypeToken> opcFilteredTypes = filterTokenThroughConstraint(opc.getTypeToken(), type);
                    for (TypeToken opctype : opcFilteredTypes) {
                        if (contains(opc.getTypeToken(), opctype)) {
                            EObject res = handleOutgoingErrorPropagationCondition(component, opc, opctype, handledEOPs, scale);
                            addSubresult(subResults, res);
                            didProp = true;
                        }
                    }
                }
            }
        }
        // try to find a path from an outer to an inner out error propagation
        EList<PropagationPathEnd> propagationSources = Util.getAllPropagationSourceEnds(currentAnalysisModel, component, errorPropagation);
        for (PropagationPathEnd ppe : propagationSources) {
            ComponentInstance componentSource = ppe.getComponentInstance();
            ErrorPropagation propagationSource = ppe.getErrorPropagation();
            if (propagationSource.getDirection() == DirectionType.OUT) {
                Set<ErrorPropagation> eops = handledEOPs.keySet();
                if (!containsEOP(eops, propagationSource)) {
                    // if not already handled by a opc
                    EObject res = traverseOutgoingErrorPropagation(componentSource, propagationSource, type, scale);
                    addSubresult(subResults, res);
                    didProp = true;
                }
            }
        }
        for (ErrorFlow ef : errorFlows) {
            if (ef instanceof ErrorPath) {
                ErrorPath ep = (ErrorPath) ef;
                if (handledEOPs.containsEntry(ep.getIncoming(), EMV2Util.getPrintName(type))) {
                    // already handled by a opc
                    continue;
                }
                if (Util.conditionHolds(ef, component)) {
                    /**
                     * Make sure that the error type we are looking for is contained
                     * in the error types for the out propagation.
                     * This is a fix for the JMR/SAVI WBS model.
                     */
                    if (ep.isAllOutgoing() || EMV2Util.isSame(ep.getOutgoing(), errorPropagation)) {
                        BigDecimal newscale = scale;
                        double pathprobability = EMV2Properties.getProbability(component, ep, type);
                        if (pathprobability > 0) {
                            newscale = scale.multiply(BigDecimal.valueOf((pathprobability)));
                        }
                        if (ep.getTargetToken() != null) {
                            Collection<TypeToken> mappedTypes = filterTokenThroughConstraint(ep.getTargetToken(), type);
                            for (TypeToken mappedtype : mappedTypes) {
                                // we have a type mapping
                                EList<TypeToken> result;
                                if (ep.getTypeTokenConstraint() != null) {
                                    // get type from path constraint
                                    result = mapTokenThroughConstraint(ep.getTypeTokenConstraint(), mappedtype);
                                } else {
                                    // get incoming type from propagation
                                    result = mapTokenThroughConstraint(ep.getIncoming().getTypeSet(), mappedtype);
                                }
                                for (TypeToken newToken : result) {
                                    if (ep.isAllIncoming()) {
                                        Collection<ErrorPropagation> inprops = EMV2Util.getAllIncomingErrorPropagations(component);
                                        for (ErrorPropagation eprop : inprops) {
                                            handledEOPs.put(eprop, EMV2Util.getPrintName(newToken));
                                            EObject newEvent = traverseIncomingErrorPropagation(component, eprop, newToken, newscale);
                                            addSubresult(subResults, newEvent);
                                            didProp = true;
                                        }
                                    } else {
                                        handledEOPs.put(ep.getIncoming(), EMV2Util.getPrintName(newToken));
                                        EObject newEvent = traverseIncomingErrorPropagation(component, ep.getIncoming(), newToken, newscale);
                                        addSubresult(subResults, newEvent);
                                        didProp = true;
                                    }
                                }
                            }
                        } else {
                            // no type mapping
                            if (ep.isAllIncoming()) {
                                Collection<ErrorPropagation> inprops = EMV2Util.getAllIncomingErrorPropagations(component);
                                for (ErrorPropagation eprop : inprops) {
                                    TypeSet matchtype = ep.getTypeTokenConstraint();
                                    if (matchtype == null) {
                                        matchtype = eprop.getTypeSet();
                                    }
                                    EList<TypeToken> filteredtypes = filterTokenThroughConstraint(matchtype, type);
                                    for (TypeToken subtype : filteredtypes) {
                                        handledEOPs.put(eprop, EMV2Util.getPrintName(subtype));
                                        EObject newEvent = traverseIncomingErrorPropagation(component, eprop, subtype, newscale);
                                        addSubresult(subResults, newEvent);
                                        didProp = true;
                                    }
                                }
                            } else {
                                ErrorPropagation inep = ep.getIncoming();
                                TypeSet matchtype = ep.getTypeTokenConstraint();
                                if (matchtype == null) {
                                    matchtype = inep.getTypeSet();
                                }
                                Collection<TypeToken> mappedtypes = filterTokenThroughConstraint(matchtype, type);
                                for (TypeToken subtype : mappedtypes) {
                                    handledEOPs.put(inep, EMV2Util.getPrintName(subtype));
                                    EObject newEvent = traverseIncomingErrorPropagation(component, inep, subtype, newscale);
                                    addSubresult(subResults, newEvent);
                                    didProp = true;
                                }
                            }
                        }
                    }
                }
            } else if (ef instanceof ErrorSource) {
                ErrorSource errorSource = (ErrorSource) ef;
                NamedElement src = errorSource.getSourceModelElement();
                if (src instanceof ErrorPropagation) {
                    // check if error source was already handled by opc
                    ErrorPropagation srcep = (ErrorPropagation) src;
                    if (targetsEOP(opcs, srcep, type)) {
                        // already handled by a opc with the same target
                        continue;
                    }
                }
                if (Util.conditionHolds(ef, component)) {
                    if (errorSource.isAll() || EMV2Util.isSame(errorSource.getSourceModelElement(), errorPropagation)) {
                        Collection<TypeToken> mappedTypes = filterTokenThroughConstraint(errorSource.getTypeTokenConstraint(), type);
                        for (TypeToken mappedType : mappedTypes) {
                            if (src instanceof ErrorPropagation) {
                                handledEOPs.put((ErrorPropagation) src, EMV2Util.getPrintName(mappedType));
                            }
                            if (errorSource.getFailureModeReference() != null) {
                                List<EObject> stResults = new LinkedList<EObject>();
                                ErrorBehaviorState ebs = errorSource.getFailureModeReference();
                                EObject sEvent = traverseErrorBehaviorState(component, ebs, mappedType, scale);
                                addSubresult(stResults, sEvent);
                                EObject newEvent = postProcessErrorSource(component, errorSource, proptype, stResults, scale);
                                addSubresult(subResults, newEvent);
                                didProp = true;
                            } else {
                                EObject newEvent = processErrorSource(component, errorSource, mappedType, scale);
                                addSubresult(subResults, newEvent);
                                didProp = true;
                            }
                        }
                    }
                }
            }
        }
        st.removeVisitedToken(errorPropagation, type);
        if (didProp) {
            traverse = true;
        }
    }
    if (!subResults.isEmpty()) {
        // out propagation with sub elements
        return postProcessOutgoingErrorPropagation(component, errorPropagation, proptype, subResults, scale);
    }
    if (hasCycle) {
        return null;
    }
    if (traverse && !handledEOPs.isEmpty()) {
        // we handled error out propagations
        return null;
    }
    // out propagation as end point
    return processOutgoingErrorPropagation(component, errorPropagation, proptype, scale);
}

Example 4 with ErrorFlow

use of org.osate.xtext.aadl2.errormodel.errorModel.ErrorFlow in project osate2 by osate.

the class ErrorFlowHandler method getGraphicalConfiguration.

@Override
public Optional<GraphicalConfiguration> getGraphicalConfiguration(final GetGraphicalConfigurationContext ctx) {
    final ErrorFlow bo = ctx.getBusinessObjectContext().getBusinessObject(ErrorFlow.class).get();
    final BusinessObjectContext classifierBoc = ctx.getBusinessObjectContext().getParent();
    if (classifierBoc == null) {
        return Optional.empty();
    }
    // Determine the type of graphic and the source and destination of the connection
    final ErrorFlowEnd src;
    final ErrorFlowEnd dst;
    final Graphic graphic;
    if (bo instanceof ErrorSource) {
        graphic = SOURCE_GRAPHIC;
        final ErrorSource es = (ErrorSource) bo;
        src = getErrorFlowEnd(ctx.getQueryService(), classifierBoc, es.isAll(), es.getSourceModelElement()).orElse(null);
        dst = null;
    } else if (bo instanceof ErrorSink) {
        graphic = SINK_GRAPHIC;
        final ErrorSink es = (ErrorSink) bo;
        src = getErrorFlowEnd(ctx.getQueryService(), classifierBoc, es.isAllIncoming(), es.getIncoming()).orElse(null);
        dst = null;
    } else if (bo instanceof ErrorPath) {
        graphic = PATH_GRAPHIC;
        final ErrorPath ep = (ErrorPath) bo;
        src = getErrorFlowEnd(ctx.getQueryService(), classifierBoc, ep.isAllIncoming(), ep.getIncoming()).orElse(null);
        dst = getErrorFlowEnd(ctx.getQueryService(), classifierBoc, ep.isAllOutgoing(), ep.getOutgoing()).orElse(null);
    } else {
        return Optional.empty();
    }
    // Determine style
    final StyleBuilder sb = StyleBuilder.create(GraphicalExtensionUtil.isInherited(ctx.getBusinessObjectContext()) ? GraphicalExtensionUtil.STYLE_INHERITED_ELEMENT : Style.EMPTY).lineWidth(4.0);
    final boolean partial = (src != null && src.partial) || (dst != null && dst.partial);
    if (partial) {
        sb.dotted();
    }
    return Optional.of(GraphicalConfigurationBuilder.create().graphic(graphic).style(sb.build()).defaultDockingPosition(DockingPosition.ANY).source(src == null ? null : src.boc).destination(dst == null ? null : dst.boc).build());
}

Example 5 with ErrorFlow

use of org.osate.xtext.aadl2.errormodel.errorModel.ErrorFlow in project osate2 by osate.

the class ErrorModelTooltipContributor method createLabel.

private void createLabel(final Composite parent, final EObject bo) {
    final boolean showSource = bo instanceof ErrorType || bo instanceof TypeSet || bo instanceof ErrorBehaviorTransition || bo instanceof TransitionBranch || bo instanceof ErrorBehaviorEvent || bo instanceof ErrorBehaviorState || bo instanceof ErrorPropagation || bo instanceof PropagationPoint || bo instanceof ErrorFlow || bo instanceof PropagationPath;
    if (!showSource) {
        return;
    }
    final INode n = NodeModelUtils.getNode(bo);
    if (n == null) {
        return;
    }
    final String txt = NodeModelUtils.getTokenText(n);
    if (txt == null) {
        return;
    }
    final Label lbl = new Label(parent, SWT.WRAP);
    lbl.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_INFO_FOREGROUND));
    lbl.setText(txt);
}