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

Example 1 with ExpressionFactory

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

the class MappingTestEvaluator method init.

public void init() throws SchemaException, SAXException, IOException {
    PrettyPrinter.setDefaultNamespacePrefix(MidPointConstants.NS_MIDPOINT_PUBLIC_PREFIX);
    PrismTestUtil.resetPrismContext(MidPointPrismContextFactory.FACTORY);
    prismContext = PrismTestUtil.createInitializedPrismContext();
    ObjectResolver resolver = new DirectoryFileObjectResolver(MidPointTestConstants.OBJECTS_DIR);
    protector = ExpressionTestUtil.createInitializedProtector(prismContext);
    ExpressionFactory expressionFactory = ExpressionTestUtil.createInitializedExpressionFactory(resolver, protector, prismContext, null);
    mappingFactory = new MappingFactory();
    mappingFactory.setExpressionFactory(expressionFactory);
    mappingFactory.setObjectResolver(resolver);
    mappingFactory.setPrismContext(prismContext);
    mappingFactory.setProfiling(true);
    mappingFactory.setProtector(protector);
}

Example 2 with ExpressionFactory

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

the class WfExpressionEvaluationHelper method evaluateExpression.

@SuppressWarnings("unchecked")
@NotNull
public <T> List<T> evaluateExpression(ExpressionType expressionType, ExpressionVariables variables, String contextDescription, Class<T> clazz, QName typeName, Function<Object, Object> additionalConvertor, Task task, OperationResult result) throws ObjectNotFoundException, SchemaException, ExpressionEvaluationException {
    ExpressionFactory expressionFactory = getExpressionFactory();
    PrismContext prismContext = expressionFactory.getPrismContext();
    PrismPropertyDefinition<String> resultDef = new PrismPropertyDefinitionImpl<>(new QName(SchemaConstants.NS_C, "result"), typeName, prismContext);
    Expression<PrismPropertyValue<String>, PrismPropertyDefinition<String>> expression = expressionFactory.makeExpression(expressionType, resultDef, contextDescription, task, result);
    ExpressionEvaluationContext context = new ExpressionEvaluationContext(null, variables, contextDescription, task, result);
    context.setAdditionalConvertor(additionalConvertor);
    PrismValueDeltaSetTriple<PrismPropertyValue<String>> exprResultTriple = ModelExpressionThreadLocalHolder.evaluateExpressionInContext(expression, context, task, result);
    return exprResultTriple.getZeroSet().stream().map(ppv -> (T) ppv.getRealValue()).collect(Collectors.toList());
}

Example 3 with ExpressionFactory

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

the class AbstractSearchExpressionEvaluator method evaluatePopulateExpression.

private <IV extends PrismValue, ID extends ItemDefinition, C extends Containerable> ItemDelta<IV, ID> evaluatePopulateExpression(PopulateItemType populateItem, ExpressionVariables variables, ExpressionEvaluationContext params, PrismContainerDefinition<C> objectDefinition, String contextDescription, boolean evaluateMinus, Task task, OperationResult result) throws SchemaException, ObjectNotFoundException, ExpressionEvaluationException {
    ExpressionType expressionType = populateItem.getExpression();
    if (expressionType == null) {
        LOGGER.warn("No expression in populateObject in assignment expression in {}, " + "skipping. Subsequent operations will most likely fail", contextDescription);
        return null;
    }
    VariableBindingDefinitionType targetType = populateItem.getTarget();
    if (targetType == null) {
        LOGGER.warn("No target in populateObject in assignment expression in {}, " + "skipping. Subsequent operations will most likely fail", contextDescription);
        return null;
    }
    ItemPathType itemPathType = targetType.getPath();
    if (itemPathType == null) {
        throw new SchemaException("No path in target definition in " + contextDescription);
    }
    ItemPath targetPath = itemPathType.getItemPath();
    ID propOutputDefinition = ExpressionUtil.resolveDefinitionPath(targetPath, variables, objectDefinition, "target definition in " + contextDescription);
    if (propOutputDefinition == null) {
        throw new SchemaException("No target item that would conform to the path " + targetPath + " in " + contextDescription);
    }
    String expressionDesc = "expression in assignment expression in " + contextDescription;
    ExpressionFactory expressionFactory = params.getExpressionFactory();
    Expression<IV, ID> expression = expressionFactory.makeExpression(expressionType, propOutputDefinition, expressionDesc, task, result);
    ExpressionEvaluationContext context = new ExpressionEvaluationContext(null, variables, expressionDesc, task, result);
    context.setExpressionFactory(expressionFactory);
    context.setStringPolicyResolver(params.getStringPolicyResolver());
    context.setDefaultTargetContext(params.getDefaultTargetContext());
    context.setSkipEvaluationMinus(true);
    context.setSkipEvaluationPlus(false);
    PrismValueDeltaSetTriple<IV> outputTriple = expression.evaluate(context);
    LOGGER.trace("output triple: {}", outputTriple.debugDump());
    Collection<IV> pvalues = outputTriple.getNonNegativeValues();
    // Maybe not really clean but it works. TODO: refactor later
    NameItemPathSegment first = (NameItemPathSegment) targetPath.first();
    if (first.isVariable()) {
        targetPath = targetPath.rest();
    }
    ItemDelta<IV, ID> itemDelta = propOutputDefinition.createEmptyDelta(targetPath);
    itemDelta.addValuesToAdd(PrismValue.cloneCollection(pvalues));
    LOGGER.trace("Item delta:\n{}", itemDelta.debugDump());
    return itemDelta;
}

Example 4 with ExpressionFactory

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

the class ExpressionTestUtil method createInitializedExpressionFactory.

public static ExpressionFactory createInitializedExpressionFactory(ObjectResolver resolver, ProtectorImpl protector, PrismContext prismContext, SecurityEnforcer securityEnforcer) {
    ExpressionFactory expressionFactory = new ExpressionFactory(resolver, securityEnforcer, prismContext);
    // asIs
    AsIsExpressionEvaluatorFactory asIsFactory = new AsIsExpressionEvaluatorFactory(prismContext, protector);
    expressionFactory.addEvaluatorFactory(asIsFactory);
    expressionFactory.setDefaultEvaluatorFactory(asIsFactory);
    // value
    LiteralExpressionEvaluatorFactory valueFactory = new LiteralExpressionEvaluatorFactory(prismContext);
    expressionFactory.addEvaluatorFactory(valueFactory);
    // const
    ConstantsManager constManager = new ConstantsManager(createConfiguration());
    ConstExpressionEvaluatorFactory constFactory = new ConstExpressionEvaluatorFactory(protector, constManager, prismContext);
    expressionFactory.addEvaluatorFactory(constFactory);
    // path
    PathExpressionEvaluatorFactory pathFactory = new PathExpressionEvaluatorFactory(prismContext, resolver, protector);
    expressionFactory.addEvaluatorFactory(pathFactory);
    // generate
    ValuePolicyProcessor valuePolicyGenerator = new ValuePolicyProcessor();
    valuePolicyGenerator.setExpressionFactory(expressionFactory);
    GenerateExpressionEvaluatorFactory generateFactory = new GenerateExpressionEvaluatorFactory(protector, resolver, valuePolicyGenerator, prismContext);
    expressionFactory.addEvaluatorFactory(generateFactory);
    // script
    Collection<FunctionLibrary> functions = new ArrayList<FunctionLibrary>();
    functions.add(FunctionLibraryUtil.createBasicFunctionLibrary(prismContext, protector));
    functions.add(FunctionLibraryUtil.createLogFunctionLibrary(prismContext));
    ScriptExpressionFactory scriptExpressionFactory = new ScriptExpressionFactory(resolver, prismContext, protector);
    scriptExpressionFactory.setFunctions(functions);
    XPathScriptEvaluator xpathEvaluator = new XPathScriptEvaluator(prismContext);
    scriptExpressionFactory.registerEvaluator(XPathScriptEvaluator.XPATH_LANGUAGE_URL, xpathEvaluator);
    Jsr223ScriptEvaluator groovyEvaluator = new Jsr223ScriptEvaluator("Groovy", prismContext, protector);
    scriptExpressionFactory.registerEvaluator(groovyEvaluator.getLanguageUrl(), groovyEvaluator);
    ScriptExpressionEvaluatorFactory scriptExpressionEvaluatorFactory = new ScriptExpressionEvaluatorFactory(scriptExpressionFactory, securityEnforcer);
    expressionFactory.addEvaluatorFactory(scriptExpressionEvaluatorFactory);
    return expressionFactory;
}