Examples with ItemValueWithOrigin com.evolveum.midpoint.model.impl.lens.ItemValueWithOrigin used on opensource projects

Example 1 with ItemValueWithOrigin

use of com.evolveum.midpoint.model.impl.lens.ItemValueWithOrigin in project midpoint by Evolveum.

the class ObjectTemplateProcessor method processTemplate.

/**
	 * Process focus template: application of object template where focus is both source and target. 
	 */
public <F extends FocusType> void processTemplate(LensContext<F> context, ObjectTemplateMappingEvaluationPhaseType phase, XMLGregorianCalendar now, Task task, OperationResult result) throws ExpressionEvaluationException, ObjectNotFoundException, SchemaException, PolicyViolationException, ObjectAlreadyExistsException {
    LensFocusContext<F> focusContext = context.getFocusContext();
    if (focusContext.isDelete()) {
        LOGGER.trace("Skipping processing of object template: focus delete");
        return;
    }
    ObjectTemplateType objectTemplate = context.getFocusTemplate();
    if (objectTemplate == null) {
        // No applicable template
        LOGGER.trace("Skipping processing of object template: no object template");
        return;
    }
    int iteration = focusContext.getIteration();
    String iterationToken = focusContext.getIterationToken();
    ObjectDeltaObject<F> focusOdo = focusContext.getObjectDeltaObject();
    PrismObjectDefinition<F> focusDefinition = getObjectDefinition(focusContext.getObjectTypeClass());
    LOGGER.trace("Applying {} to {}, iteration {} ({}), phase {}", objectTemplate, focusContext.getObjectNew(), iteration, iterationToken, phase);
    Map<ItemPath, DeltaSetTriple<? extends ItemValueWithOrigin<?, ?>>> outputTripleMap = new HashMap<>();
    Map<ItemPath, ObjectTemplateItemDefinitionType> itemDefinitionsMap = collectItemDefinitionsFromTemplate(objectTemplate, objectTemplate.toString(), task, result);
    XMLGregorianCalendar nextRecomputeTime = collectTripleFromTemplate(context, objectTemplate, phase, focusOdo, focusOdo.getNewObject(), outputTripleMap, iteration, iterationToken, now, objectTemplate.toString(), task, result);
    if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("outputTripleMap before item delta computation:\n{}", DebugUtil.debugDumpMapMultiLine(outputTripleMap));
    }
    String contextDesc = "object template " + objectTemplate + " for focus " + focusOdo.getAnyObject();
    Collection<ItemDelta<?, ?>> itemDeltas = computeItemDeltas(outputTripleMap, itemDefinitionsMap, focusOdo.getObjectDelta(), focusOdo.getNewObject(), focusDefinition, contextDesc);
    focusContext.applyProjectionWaveSecondaryDeltas(itemDeltas);
    if (nextRecomputeTime != null) {
        boolean alreadyHasTrigger = false;
        PrismObject<F> objectCurrent = focusContext.getObjectCurrent();
        if (objectCurrent != null) {
            for (TriggerType trigger : objectCurrent.asObjectable().getTrigger()) {
                if (RecomputeTriggerHandler.HANDLER_URI.equals(trigger.getHandlerUri()) && nextRecomputeTime.equals(trigger.getTimestamp())) {
                    alreadyHasTrigger = true;
                    break;
                }
            }
        }
        if (!alreadyHasTrigger) {
            PrismObjectDefinition<F> objectDefinition = focusContext.getObjectDefinition();
            PrismContainerDefinition<TriggerType> triggerContDef = objectDefinition.findContainerDefinition(ObjectType.F_TRIGGER);
            ContainerDelta<TriggerType> triggerDelta = triggerContDef.createEmptyDelta(new ItemPath(ObjectType.F_TRIGGER));
            PrismContainerValue<TriggerType> triggerCVal = triggerContDef.createValue();
            triggerDelta.addValueToAdd(triggerCVal);
            TriggerType triggerType = triggerCVal.asContainerable();
            triggerType.setTimestamp(nextRecomputeTime);
            triggerType.setHandlerUri(RecomputeTriggerHandler.HANDLER_URI);
            focusContext.swallowToProjectionWaveSecondaryDelta(triggerDelta);
        }
    }
}

Example 2 with ItemValueWithOrigin

use of com.evolveum.midpoint.model.impl.lens.ItemValueWithOrigin in project midpoint by Evolveum.

the class ObjectTemplateProcessor method collectTripleFromMappings.

private <V extends PrismValue, D extends ItemDefinition, F extends FocusType, T extends FocusType> XMLGregorianCalendar collectTripleFromMappings(Collection<ObjectTemplateMappingType> mappings, ObjectTemplateMappingEvaluationPhaseType phase, LensContext<F> context, ObjectTemplateType objectTemplateType, ObjectDeltaObject<F> focusOdo, PrismObject<T> target, Map<ItemPath, DeltaSetTriple<? extends ItemValueWithOrigin<?, ?>>> outputTripleMap, int iteration, String iterationToken, XMLGregorianCalendar now, String contextDesc, Task task, OperationResult result) throws SchemaException, ExpressionEvaluationException, ObjectNotFoundException, PolicyViolationException {
    XMLGregorianCalendar nextRecomputeTime = null;
    for (ObjectTemplateMappingType mappingType : mappings) {
        ObjectTemplateMappingEvaluationPhaseType mappingPhase = mappingType.getEvaluationPhase();
        if (mappingPhase == null) {
            mappingPhase = ObjectTemplateMappingEvaluationPhaseType.BEFORE_ASSIGNMENTS;
        }
        if (phase != null && mappingPhase != phase) {
            continue;
        }
        LOGGER.trace("Starting evaluation of mapping '{}' in {}", mappingType.getName(), contextDesc);
        // for mapping chaining
        ObjectDeltaObject<F> updatedFocusOdo = getUpdatedFocusOdo(context, focusOdo, outputTripleMap, mappingType, contextDesc);
        Mapping<V, D> mapping = mappingEvaluator.createFocusMapping(mappingFactory, context, mappingType, objectTemplateType, updatedFocusOdo, target, null, iteration, iterationToken, context.getSystemConfiguration(), now, contextDesc, task, result);
        if (mapping == null) {
            continue;
        }
        Boolean timeConstraintValid = mapping.evaluateTimeConstraintValid(task, result);
        if (timeConstraintValid != null && !timeConstraintValid) {
            // Delayed mapping. Just schedule recompute time
            XMLGregorianCalendar mappingNextRecomputeTime = mapping.getNextRecomputeTime();
            LOGGER.trace("Evaluation of mapping {} delayed to {}", mapping, mappingNextRecomputeTime);
            if (mappingNextRecomputeTime != null) {
                if (nextRecomputeTime == null || nextRecomputeTime.compare(mappingNextRecomputeTime) == DatatypeConstants.GREATER) {
                    nextRecomputeTime = mappingNextRecomputeTime;
                }
            }
            continue;
        }
        mappingEvaluator.evaluateMapping(mapping, context, task, result);
        ItemPath itemPath = mapping.getOutputPath();
        if (itemPath == null) {
            continue;
        }
        DeltaSetTriple<ItemValueWithOrigin<V, D>> outputTriple = ItemValueWithOrigin.createOutputTriple(mapping);
        if (LOGGER.isTraceEnabled()) {
            LOGGER.trace("Output triple for {}:\n{}", mapping, DebugUtil.debugDump(outputTriple));
        }
        if (outputTriple == null) {
            continue;
        }
        DeltaSetTriple<ItemValueWithOrigin<V, D>> mapTriple = (DeltaSetTriple<ItemValueWithOrigin<V, D>>) outputTripleMap.get(itemPath);
        if (mapTriple == null) {
            outputTripleMap.put(itemPath, outputTriple);
        } else {
            mapTriple.merge(outputTriple);
        }
    }
    return nextRecomputeTime;
}

Example 3 with ItemValueWithOrigin

use of com.evolveum.midpoint.model.impl.lens.ItemValueWithOrigin in project midpoint by Evolveum.

the class AssignmentProcessor method processAssignmentsProjectionsWithFocus.

/**
     * Processing focus-projection assignments (including roles).
     */
@SuppressWarnings({ "rawtypes", "unchecked" })
private <F extends FocusType> void processAssignmentsProjectionsWithFocus(LensContext<F> context, XMLGregorianCalendar now, Task task, OperationResult result) throws SchemaException, ObjectNotFoundException, ExpressionEvaluationException, PolicyViolationException, CommunicationException, ConfigurationException, SecurityViolationException {
    // PREPARE ASSIGNMENT DELTA
    LensFocusContext<F> focusContext = context.getFocusContext();
    ObjectDelta<F> focusDelta = focusContext.getDelta();
    if (focusDelta != null && focusDelta.isDelete()) {
        processFocusDelete(context, result);
        return;
    }
    checkAssignmentDeltaSanity(context);
    // ASSIGNMENT EVALUATION
    // Initializing assignment evaluator. This will be used later to process all the assignments including the nested
    // assignments (roles).
    AssignmentEvaluator<F> assignmentEvaluator = createAssignmentEvaluator(context, now);
    ObjectType source = determineSource(focusContext);
    AssignmentTripleEvaluator<F> assignmentTripleEvaluator = new AssignmentTripleEvaluator<>();
    assignmentTripleEvaluator.setActivationComputer(activationComputer);
    assignmentTripleEvaluator.setAssignmentEvaluator(assignmentEvaluator);
    assignmentTripleEvaluator.setContext(context);
    assignmentTripleEvaluator.setNow(now);
    assignmentTripleEvaluator.setPrismContext(prismContext);
    assignmentTripleEvaluator.setResult(result);
    assignmentTripleEvaluator.setSource(source);
    assignmentTripleEvaluator.setTask(task);
    // Normal processing. The enforcement policy requires that assigned accounts should be added, so we need to figure out
    // which assignments were added. Do a complete recompute for all the enforcement modes. We can do that because this does
    // not create deltas, it just creates the triples. So we can decide what to do later when we convert triples to deltas.
    // Evaluates all assignments and sorts them to triple: added, removed and untouched assignments.
    // This is where most of the assignment-level action happens.
    DeltaSetTriple<EvaluatedAssignmentImpl<F>> evaluatedAssignmentTriple = assignmentTripleEvaluator.processAllAssignments();
    policyRuleProcessor.addGlobalPoliciesToAssignments(context, evaluatedAssignmentTriple, task, result);
    context.setEvaluatedAssignmentTriple((DeltaSetTriple) evaluatedAssignmentTriple);
    if (LOGGER.isTraceEnabled()) {
        LOGGER.trace("evaluatedAssignmentTriple:\n{}", evaluatedAssignmentTriple.debugDump());
    }
    // PROCESSING POLICIES
    policyRuleProcessor.processPolicies(context, evaluatedAssignmentTriple, result);
    boolean needToReevaluateAssignments = policyRuleProcessor.processPruning(context, evaluatedAssignmentTriple, result);
    if (needToReevaluateAssignments) {
        LOGGER.debug("Re-evaluating assignments because exclusion pruning rule was triggered");
        evaluatedAssignmentTriple = assignmentTripleEvaluator.processAllAssignments();
        context.setEvaluatedAssignmentTriple((DeltaSetTriple) evaluatedAssignmentTriple);
        policyRuleProcessor.addGlobalPoliciesToAssignments(context, evaluatedAssignmentTriple, task, result);
        if (LOGGER.isTraceEnabled()) {
            LOGGER.trace("re-evaluatedAssignmentTriple:\n{}", evaluatedAssignmentTriple.debugDump());
        }
        policyRuleProcessor.processPolicies(context, evaluatedAssignmentTriple, result);
    }
    //policyRuleProcessor.storeAssignmentPolicySituation(context, evaluatedAssignmentTriple, result);
    // PROCESSING FOCUS
    Map<ItemPath, DeltaSetTriple<? extends ItemValueWithOrigin<?, ?>>> focusOutputTripleMap = new HashMap<>();
    collectFocusTripleFromMappings(evaluatedAssignmentTriple.getPlusSet(), focusOutputTripleMap, PlusMinusZero.PLUS);
    collectFocusTripleFromMappings(evaluatedAssignmentTriple.getMinusSet(), focusOutputTripleMap, PlusMinusZero.MINUS);
    collectFocusTripleFromMappings(evaluatedAssignmentTriple.getZeroSet(), focusOutputTripleMap, PlusMinusZero.ZERO);
    ObjectDeltaObject<F> focusOdo = focusContext.getObjectDeltaObject();
    Collection<ItemDelta<?, ?>> focusDeltas = objectTemplateProcessor.computeItemDeltas(focusOutputTripleMap, null, focusOdo.getObjectDelta(), focusOdo.getNewObject(), focusContext.getObjectDefinition(), "focus mappings in assignments of " + focusContext.getHumanReadableName());
    LOGGER.trace("Computed focus deltas: {}", focusDeltas);
    focusContext.applyProjectionWaveSecondaryDeltas(focusDeltas);
    focusContext.recompute();
    // PROCESSING PROJECTIONS
    // Evaluate the constructions in assignements now. These were not evaluated in the first pass of AssignmentEvaluator
    // because there may be interaction from focusMappings of some roles to outbound mappings of other roles.
    // Now we have complete focus with all the focusMappings so we can evaluate the constructions
    evaluateConstructions(context, evaluatedAssignmentTriple, task, result);
    ComplexConstructionConsumer<ResourceShadowDiscriminator, Construction<F>> consumer = new ComplexConstructionConsumer<ResourceShadowDiscriminator, Construction<F>>() {

        private boolean processOnlyExistingProjCxts;

        @Override
        public boolean before(ResourceShadowDiscriminator rat) {
            if (rat.getResourceOid() == null) {
                throw new IllegalStateException("Resource OID null in ResourceAccountType during assignment processing");
            }
            if (rat.getIntent() == null) {
                throw new IllegalStateException("Account type is null in ResourceAccountType during assignment processing");
            }
            processOnlyExistingProjCxts = false;
            if (ModelExecuteOptions.isLimitPropagation(context.getOptions())) {
                if (context.getTriggeredResourceOid() != null && !rat.getResourceOid().equals(context.getTriggeredResourceOid())) {
                    LOGGER.trace("Skipping processing construction for shadow identified by {} because of limitation to propagate changes only for resource {}", rat, context.getTriggeredResourceOid());
                    return false;
                }
                if (SchemaConstants.CHANGE_CHANNEL_DISCOVERY.equals(QNameUtil.uriToQName(context.getChannel()))) {
                    // TODO is this message OK? [med]
                    LOGGER.trace("Processing of shadow identified by {} will be skipped because of limitation for discovery channel.");
                    processOnlyExistingProjCxts = true;
                }
            }
            return true;
        }

        @Override
        public void onAssigned(ResourceShadowDiscriminator rat, String desc) {
            LensProjectionContext projectionContext = LensUtil.getOrCreateProjectionContext(context, rat);
            projectionContext.setAssigned(true);
            projectionContext.setAssignedOld(false);
            projectionContext.setLegalOld(false);
            AssignmentPolicyEnforcementType assignmentPolicyEnforcement = projectionContext.getAssignmentPolicyEnforcementType();
            if (assignmentPolicyEnforcement != AssignmentPolicyEnforcementType.NONE) {
                LOGGER.trace("Projection {} legal: assigned (valid)", desc);
                projectionContext.setLegal(true);
            }
        }

        @Override
        public void onUnchangedValid(ResourceShadowDiscriminator key, String desc) {
            LensProjectionContext projectionContext = context.findProjectionContext(key);
            if (projectionContext == null) {
                if (processOnlyExistingProjCxts) {
                    return;
                }
                // The projection should exist before the change but it does not
                // This happens during reconciliation if there is an inconsistency. 
                // Pretend that the assignment was just added. That should do.
                projectionContext = LensUtil.getOrCreateProjectionContext(context, key);
            }
            LOGGER.trace("Projection {} legal: unchanged (valid)", desc);
            projectionContext.setLegal(true);
            projectionContext.setLegalOld(true);
            projectionContext.setAssigned(true);
            projectionContext.setAssignedOld(true);
        }

        @Override
        public void onUnchangedInvalid(ResourceShadowDiscriminator rat, String desc) {
            LensProjectionContext projectionContext = context.findProjectionContext(rat);
            if (projectionContext == null) {
                if (processOnlyExistingProjCxts) {
                    return;
                }
                // The projection should exist before the change but it does not
                // This happens during reconciliation if there is an inconsistency. 
                // Pretend that the assignment was just added. That should do.
                projectionContext = LensUtil.getOrCreateProjectionContext(context, rat);
            }
            LOGGER.trace("Projection {} illegal: unchanged (invalid)", desc);
            projectionContext.setLegal(false);
            projectionContext.setLegalOld(false);
            projectionContext.setAssigned(false);
            projectionContext.setAssignedOld(false);
        }

        @Override
        public void onUnassigned(ResourceShadowDiscriminator rat, String desc) {
            if (accountExists(context, rat)) {
                LensProjectionContext projectionContext = context.findProjectionContext(rat);
                if (projectionContext == null) {
                    if (processOnlyExistingProjCxts) {
                        return;
                    }
                    projectionContext = LensUtil.getOrCreateProjectionContext(context, rat);
                }
                projectionContext.setAssigned(false);
                projectionContext.setAssignedOld(true);
                projectionContext.setLegalOld(true);
                AssignmentPolicyEnforcementType assignmentPolicyEnforcement = projectionContext.getAssignmentPolicyEnforcementType();
                // TODO: check for MARK and LEGALIZE enforcement policies ....add delete laso for relative enforcemenet
                if (assignmentPolicyEnforcement == AssignmentPolicyEnforcementType.FULL || assignmentPolicyEnforcement == AssignmentPolicyEnforcementType.RELATIVE) {
                    LOGGER.trace("Projection {} illegal: unassigned", desc);
                    projectionContext.setLegal(false);
                } else {
                    LOGGER.trace("Projection {} legal: unassigned, but allowed by policy ({})", desc, assignmentPolicyEnforcement);
                    projectionContext.setLegal(true);
                }
            } else {
                LOGGER.trace("Projection {} nothing: unassigned (valid->invalid) but not there", desc);
            // We have to delete something that is not there. Nothing to do.
            }
        }

        @Override
        public void after(ResourceShadowDiscriminator rat, String desc, DeltaMapTriple<ResourceShadowDiscriminator, ConstructionPack<Construction<F>>> constructionMapTriple) {
            PrismValueDeltaSetTriple<PrismPropertyValue<Construction>> projectionConstructionDeltaSetTriple = new PrismValueDeltaSetTriple<>(getConstructions(constructionMapTriple.getZeroMap().get(rat), true), getConstructions(constructionMapTriple.getPlusMap().get(rat), true), getConstructions(constructionMapTriple.getMinusMap().get(rat), false));
            LensProjectionContext projectionContext = context.findProjectionContext(rat);
            if (projectionContext != null) {
                // This can be null in a exotic case if we delete already deleted account
                if (LOGGER.isTraceEnabled()) {
                    LOGGER.trace("Construction delta set triple for {}:\n{}", rat, projectionConstructionDeltaSetTriple.debugDump(1));
                }
                projectionContext.setConstructionDeltaSetTriple(projectionConstructionDeltaSetTriple);
                if (isForceRecon(constructionMapTriple.getZeroMap().get(rat)) || isForceRecon(constructionMapTriple.getPlusMap().get(rat)) || isForceRecon(constructionMapTriple.getMinusMap().get(rat))) {
                    projectionContext.setDoReconciliation(true);
                }
            }
        }
    };
    constructionProcessor.processConstructions(context, evaluatedAssignmentTriple, evaluatedAssignment -> evaluatedAssignment.getConstructionTriple(), construction -> getConstructionMapKey(context, construction, task, result), consumer, task, result);
    removeIgnoredContexts(context);
    finishLegalDecisions(context);
}

Example 4 with ItemValueWithOrigin

use of com.evolveum.midpoint.model.impl.lens.ItemValueWithOrigin in project midpoint by Evolveum.

the class AssignmentProcessor method collectFocusTripleFromMappings.

private <V extends PrismValue, D extends ItemDefinition, F extends FocusType> XMLGregorianCalendar collectFocusTripleFromMappings(Collection<EvaluatedAssignmentImpl<F>> evaluatedAssignments, Map<ItemPath, DeltaSetTriple<? extends ItemValueWithOrigin<?, ?>>> outputTripleMap, PlusMinusZero plusMinusZero) throws SchemaException {
    XMLGregorianCalendar nextRecomputeTime = null;
    for (EvaluatedAssignmentImpl<F> ea : evaluatedAssignments) {
        Collection<Mapping<V, D>> focusMappings = (Collection) ea.getFocusMappings();
        for (Mapping<V, D> mapping : focusMappings) {
            ItemPath itemPath = mapping.getOutputPath();
            DeltaSetTriple<ItemValueWithOrigin<V, D>> outputTriple = ItemValueWithOrigin.createOutputTriple(mapping);
            if (outputTriple == null) {
                continue;
            }
            if (plusMinusZero == PlusMinusZero.PLUS) {
                outputTriple.addAllToPlusSet(outputTriple.getZeroSet());
                outputTriple.clearZeroSet();
                outputTriple.clearMinusSet();
            } else if (plusMinusZero == PlusMinusZero.MINUS) {
                outputTriple.addAllToMinusSet(outputTriple.getZeroSet());
                outputTriple.clearZeroSet();
                outputTriple.clearPlusSet();
            }
            DeltaSetTriple<ItemValueWithOrigin<V, D>> mapTriple = (DeltaSetTriple<ItemValueWithOrigin<V, D>>) outputTripleMap.get(itemPath);
            if (mapTriple == null) {
                outputTripleMap.put(itemPath, outputTriple);
            } else {
                mapTriple.merge(outputTriple);
            }
        }
    }
    return nextRecomputeTime;
}

Example 5 with ItemValueWithOrigin

use of com.evolveum.midpoint.model.impl.lens.ItemValueWithOrigin in project midpoint by Evolveum.

the class ReconciliationProcessor method reconcileProjectionAttribute.

private <T> void reconcileProjectionAttribute(QName attrName, LensProjectionContext projCtx, Map<QName, DeltaSetTriple<ItemValueWithOrigin<PrismPropertyValue<?>, PrismPropertyDefinition<?>>>> squeezedAttributes, RefinedObjectClassDefinition rOcDef, PrismObject<ShadowType> shadowNew, PrismContainer attributesContainer) throws SchemaException {
    //			LOGGER.trace("Attribute reconciliation processing attribute {}",attrName);
    RefinedAttributeDefinition<T> attributeDefinition = projCtx.findAttributeDefinition(attrName);
    if (attributeDefinition == null) {
        String msg = "No definition for attribute " + attrName + " in " + projCtx.getResourceShadowDiscriminator();
        throw new SchemaException(msg);
    }
    DeltaSetTriple<ItemValueWithOrigin<PrismPropertyValue<T>, PrismPropertyDefinition<T>>> pvwoTriple = squeezedAttributes != null ? (DeltaSetTriple) squeezedAttributes.get(attrName) : null;
    if (attributeDefinition.isIgnored(LayerType.MODEL)) {
        LOGGER.trace("Skipping reconciliation of attribute {} because it is ignored", attrName);
        return;
    }
    PropertyLimitations limitations = attributeDefinition.getLimitations(LayerType.MODEL);
    if (limitations != null) {
        PropertyAccessType access = limitations.getAccess();
        if (access != null) {
            if (projCtx.isAdd() && (access.isAdd() == null || !access.isAdd())) {
                LOGGER.trace("Skipping reconciliation of attribute {} because it is non-createable", attrName);
                return;
            }
            if (projCtx.isModify() && (access.isModify() == null || !access.isModify())) {
                LOGGER.trace("Skipping reconciliation of attribute {} because it is non-updateable", attrName);
                return;
            }
        }
    }
    Collection<ItemValueWithOrigin<PrismPropertyValue<T>, PrismPropertyDefinition<T>>> shouldBePValues;
    if (pvwoTriple == null) {
        shouldBePValues = new HashSet<>();
    } else {
        shouldBePValues = new HashSet<>(pvwoTriple.getNonNegativeValues());
    }
    // We consider values explicitly requested by user to be among "should be values".
    addPropValuesFromDelta(shouldBePValues, projCtx.getPrimaryDelta(), attrName);
    // But we DO NOT take values from sync delta (because they just reflect what's on the resource),
    // nor from secondary delta (because these got there from mappings).
    boolean hasStrongShouldBePValue = false;
    for (ItemValueWithOrigin<? extends PrismPropertyValue<T>, PrismPropertyDefinition<T>> shouldBePValue : shouldBePValues) {
        if (shouldBePValue.getMapping() != null && shouldBePValue.getMapping().getStrength() == MappingStrengthType.STRONG) {
            hasStrongShouldBePValue = true;
            break;
        }
    }
    PrismProperty<T> attribute = attributesContainer.findProperty(attrName);
    Collection<PrismPropertyValue<T>> arePValues;
    if (attribute != null) {
        arePValues = attribute.getValues();
    } else {
        arePValues = new HashSet<>();
    }
    // Too loud :-)
    //			if (LOGGER.isTraceEnabled()) {
    //				StringBuilder sb = new StringBuilder();
    //				sb.append("Reconciliation\nATTR: ").append(PrettyPrinter.prettyPrint(attrName));
    //				sb.append("\n  Should be:");
    //				for (ItemValueWithOrigin<?,?> shouldBePValue : shouldBePValues) {
    //					sb.append("\n    ");
    //					sb.append(shouldBePValue.getItemValue());
    //					PrismValueDeltaSetTripleProducer<?, ?> shouldBeMapping = shouldBePValue.getMapping();
    //					if (shouldBeMapping.getStrength() == MappingStrengthType.STRONG) {
    //						sb.append(" STRONG");
    //					}
    //					if (shouldBeMapping.getStrength() == MappingStrengthType.WEAK) {
    //						sb.append(" WEAK");
    //					}
    //					if (!shouldBePValue.isValid()) {
    //						sb.append(" INVALID");
    //					}
    //				}
    //				sb.append("\n  Is:");
    //				for (PrismPropertyValue<Object> isPVal : arePValues) {
    //					sb.append("\n    ");
    //					sb.append(isPVal);
    //				}
    //				LOGGER.trace("{}", sb.toString());	
    //			}
    ValueMatcher<T> valueMatcher = ValueMatcher.createMatcher(attributeDefinition, matchingRuleRegistry);
    boolean hasValue = false;
    for (ItemValueWithOrigin<? extends PrismPropertyValue<T>, PrismPropertyDefinition<T>> shouldBePvwo : shouldBePValues) {
        PrismValueDeltaSetTripleProducer<?, ?> shouldBeMapping = shouldBePvwo.getMapping();
        if (shouldBeMapping == null) {
            continue;
        }
        T shouldBeRealValue = shouldBePvwo.getItemValue().getValue();
        if (shouldBeMapping.getStrength() != MappingStrengthType.STRONG && (!arePValues.isEmpty() || hasStrongShouldBePValue)) {
            // weak or normal value and the attribute already has a
            // value. Skip it.
            // we cannot override it as it might have been legally
            // changed directly on the projection resource object
            LOGGER.trace("Skipping reconciliation of value {} of the attribute {}: the mapping is not strong", shouldBeRealValue, attributeDefinition.getName().getLocalPart());
            continue;
        }
        if (!isInValues(valueMatcher, shouldBeRealValue, arePValues)) {
            if (attributeDefinition.isSingleValue()) {
                if (hasValue) {
                    throw new SchemaException("Attempt to set more than one value for single-valued attribute " + attrName + " in " + projCtx.getResourceShadowDiscriminator());
                }
                recordDelta(valueMatcher, projCtx, SchemaConstants.PATH_ATTRIBUTES, attributeDefinition, ModificationType.REPLACE, shouldBeRealValue, shouldBePvwo.getSource(), "it is given by a mapping");
            } else {
                recordDelta(valueMatcher, projCtx, SchemaConstants.PATH_ATTRIBUTES, attributeDefinition, ModificationType.ADD, shouldBeRealValue, shouldBePvwo.getSource(), "it is given by a mapping");
            }
            hasValue = true;
        }
    }
    decideIfTolerate(projCtx, attributeDefinition, arePValues, shouldBePValues, valueMatcher);
}