Examples with VariablesProvider com.evolveum.midpoint.cases.api.temporary.VariablesProvider used on opensource projects

Example 1 with VariablesProvider

use of com.evolveum.midpoint.cases.api.temporary.VariablesProvider in project midpoint by Evolveum.

the class StageComputeHelper method computeStageApprovers.

// TODO method name
public ComputationResult computeStageApprovers(ApprovalStageDefinitionType stageDef, CaseType theCase, VariablesProvider variablesProvider, @NotNull ComputationMode computationMode, Task opTask, OperationResult opResult) throws SchemaException {
    ComputationResult rv = new ComputationResult();
    VariablesMap variablesMap = null;
    VariablesProvider enhancedVariablesProvider = () -> {
        VariablesMap variables = variablesProvider.get();
        variables.put(ExpressionConstants.VAR_STAGE_DEFINITION, stageDef, ApprovalStageDefinitionType.class);
        variables.put(ExpressionConstants.VAR_POLICY_RULES, ApprovalContextUtil.getRulesForStage(theCase.getApprovalContext(), stageDef.getNumber()), List.class);
        return variables;
    };
    if (stageDef.getAutomaticallyCompleted() != null) {
        try {
            variablesMap = enhancedVariablesProvider.get();
            String outcome = evaluateAutoCompleteExpression(stageDef, variablesMap, opTask, opResult);
            if (outcome != null) {
                rv.predeterminedOutcome = ApprovalUtils.approvalLevelOutcomeFromUri(outcome);
                rv.automatedCompletionReason = AUTO_COMPLETION_CONDITION;
            }
        } catch (Exception e) {
            // todo
            throw new SystemException("Couldn't evaluate auto-approval expression", e);
        }
    }
    rv.approverRefs = new HashSet<>();
    if (rv.predeterminedOutcome == null) {
        rv.approverRefs.addAll(CloneUtil.cloneCollectionMembers(stageDef.getApproverRef()));
        if (!stageDef.getApproverExpression().isEmpty()) {
            try {
                if (variablesMap == null) {
                    variablesMap = enhancedVariablesProvider.get();
                }
                rv.approverRefs.addAll(evaluationHelper.evaluateRefExpressions(stageDef.getApproverExpression(), variablesMap, "resolving approver expression", opTask, opResult));
            } catch (ExpressionEvaluationException | ObjectNotFoundException | SchemaException | RuntimeException | CommunicationException | ConfigurationException | SecurityViolationException e) {
                throw new SystemException("Couldn't evaluate approvers expressions", e);
            }
        }
        LOGGER.trace("Approvers at the stage {} (before potential group expansion) are: {}", stageDef, rv.approverRefs);
        if (stageDef.getGroupExpansion() == GroupExpansionType.ON_WORK_ITEM_CREATION) {
            if (shouldExpandGroup(computationMode, opResult)) {
                // see MID-4105
                rv.approverRefs = expandGroups(rv.approverRefs);
                LOGGER.trace("Approvers at the stage {} (after group expansion) are: {}", stageDef, rv.approverRefs);
            } else {
                LOGGER.trace("Groups will not be expanded; computation mode = {}", computationMode);
            }
        }
        if (rv.approverRefs.isEmpty()) {
            rv.noApproversFound = true;
            rv.predeterminedOutcome = defaultIfNull(stageDef.getOutcomeIfNoApprovers(), REJECT);
            rv.automatedCompletionReason = NO_ASSIGNEES_FOUND;
        }
    }
    return rv;
}