Examples with SourceTriple com.evolveum.midpoint.repo.common.expression.SourceTriple used on opensource projects

Example 1 with SourceTriple

use of com.evolveum.midpoint.repo.common.expression.SourceTriple in project midpoint by Evolveum.

the class AbstractValueTransformationExpressionEvaluator method evaluateRelativeExpression.

private PrismValueDeltaSetTriple<V> evaluateRelativeExpression(final List<SourceTriple<?, ?>> sourceTriples, final ExpressionVariables variables, final boolean skipEvaluationMinus, final boolean skipEvaluationPlus, final Boolean includeNulls, final ExpressionEvaluationContext evaluationContext, final String contextDescription, final Task task, final OperationResult result) throws ExpressionEvaluationException, ObjectNotFoundException, SchemaException {
    List<Collection<? extends PrismValue>> valueCollections = new ArrayList<>(sourceTriples.size());
    for (SourceTriple<?, ?> sourceTriple : sourceTriples) {
        Collection<? extends PrismValue> values = sourceTriple.union();
        if (values.isEmpty()) {
            // No values for this source. Add null instead. It will make sure that the expression will
            // be evaluate at least once.
            values.add(null);
        }
        valueCollections.add(values);
    }
    final PrismValueDeltaSetTriple<V> outputTriple = new PrismValueDeltaSetTriple<>();
    Processor<Collection<? extends PrismValue>> processor = pvalues -> {
        if (includeNulls != null && !includeNulls && MiscUtil.isAllNull(pvalues)) {
            return;
        }
        Map<QName, Object> sourceVariables = new HashMap<>();
        Iterator<SourceTriple<PrismValue, ?>> sourceTriplesIterator = (Iterator) sourceTriples.iterator();
        boolean hasMinus = false;
        boolean hasZero = false;
        boolean hasPlus = false;
        for (PrismValue pval : pvalues) {
            SourceTriple<PrismValue, ?> sourceTriple = sourceTriplesIterator.next();
            QName name = sourceTriple.getName();
            sourceVariables.put(name, getRealContent(pval, sourceTriple.getResidualPath()));
            if (sourceTriple.presentInPlusSet(pval)) {
                hasPlus = true;
            } else if (sourceTriple.presentInZeroSet(pval)) {
                hasZero = true;
            } else if (sourceTriple.presentInMinusSet(pval)) {
                hasMinus = true;
            }
        }
        if (!hasPlus && !hasMinus && !hasZero && !MiscUtil.isAllNull(pvalues)) {
            throw new IllegalStateException("Internal error! The impossible has happened! pvalues=" + pvalues + "; source triples: " + sourceTriples + "; in " + contextDescription);
        }
        if (hasPlus && hasMinus) {
            return;
        }
        if (hasPlus && skipEvaluationPlus) {
            return;
        } else if (hasMinus && skipEvaluationMinus) {
            return;
        }
        ExpressionVariables scriptVariables = new ExpressionVariables();
        scriptVariables.addVariableDefinitions(sourceVariables);
        PlusMinusZero valueDestination = null;
        boolean useNew = false;
        if (hasPlus) {
            scriptVariables.addVariableDefinitionsNew(variables);
            valueDestination = PlusMinusZero.PLUS;
            useNew = true;
        } else if (hasMinus) {
            scriptVariables.addVariableDefinitionsOld(variables);
            valueDestination = PlusMinusZero.MINUS;
        } else {
            scriptVariables.addVariableDefinitionsNew(variables);
            valueDestination = PlusMinusZero.ZERO;
            useNew = true;
        }
        List<V> scriptResults;
        try {
            scriptResults = transformSingleValue(scriptVariables, valueDestination, useNew, evaluationContext, contextDescription, task, result);
        } catch (ExpressionEvaluationException e) {
            throw new TunnelException(new ExpressionEvaluationException(e.getMessage() + "(" + dumpSourceValues(sourceVariables) + ") in " + contextDescription, e));
        } catch (ObjectNotFoundException e) {
            throw new TunnelException(new ObjectNotFoundException(e.getMessage() + "(" + dumpSourceValues(sourceVariables) + ") in " + contextDescription, e));
        } catch (SchemaException e) {
            throw new TunnelException(new SchemaException(e.getMessage() + "(" + dumpSourceValues(sourceVariables) + ") in " + contextDescription, e));
        } catch (RuntimeException e) {
            throw new TunnelException(new RuntimeException(e.getMessage() + "(" + dumpSourceValues(sourceVariables) + ") in " + contextDescription, e));
        }
        outputTriple.addAllToSet(valueDestination, scriptResults);
    };
    try {
        MiscUtil.carthesian((Collection) valueCollections, (Processor) processor);
    } catch (TunnelException e) {
        Throwable originalException = e.getCause();
        if (originalException instanceof ExpressionEvaluationException) {
            throw (ExpressionEvaluationException) originalException;
        } else if (originalException instanceof ObjectNotFoundException) {
            throw (ObjectNotFoundException) originalException;
        } else if (originalException instanceof SchemaException) {
            throw (SchemaException) originalException;
        } else if (originalException instanceof RuntimeException) {
            throw (RuntimeException) originalException;
        } else {
            throw new IllegalStateException("Unexpected exception: " + e + ": " + e.getMessage(), e);
        }
    }
    cleanupTriple(outputTriple);
    return outputTriple;
}