Examples with Assignment io.automatiko.engine.workflow.process.core.node.Assignment used on opensource projects

Example 6 with Assignment

use of io.automatiko.engine.workflow.process.core.node.Assignment in project automatiko-engine by automatiko-io.

the class ServerlessWorkflowFactory method consumeEventNode.

public EventNode consumeEventNode(long id, EventDefinition eventDefinition, EventDataFilter eventDataFilter, NodeContainer nodeContainer) {
    EventNode eventNode = new EventNode();
    eventNode.setId(id);
    eventNode.setName(eventDefinition.getName());
    EventTypeFilter eventFilter = new EventTypeFilter();
    eventFilter.setType("Message-" + eventDefinition.getName());
    eventNode.addEventFilter(eventFilter);
    eventNode.setMetaData(UNIQUE_ID_PARAM, Long.toString(id));
    eventNode.setMetaData(Metadata.TRIGGER_TYPE, "ConsumeMessage");
    eventNode.setMetaData(Metadata.TRIGGER_REF, eventDefinition.getName());
    eventNode.setMetaData(Metadata.EVENT_TYPE, "message");
    eventNode.setMetaData(Metadata.MESSAGE_TYPE, JSON_NODE);
    eventNode.setMetaData(Metadata.TRIGGER_FILTER_EXPR, "hasAttributeWithValue(eventData, \"type\", \"" + eventDefinition.getType() + "\")");
    eventNode.setVariableName(DEFAULT_WORKFLOW_VAR);
    if (eventDefinition.getMetadata() != null) {
        eventDefinition.getMetadata().forEach((k, v) -> eventNode.setMetaData(k, v));
    }
    if (eventDefinition.getCorrelation() != null && !eventDefinition.getCorrelation().isEmpty()) {
        eventNode.setMetaData("TriggerCorrelationExpr", "extensionAttribute(eventData, \"" + eventDefinition.getCorrelation().get(0).getContextAttributeName() + "\")");
    }
    // if (ServerlessWorkflowUtils.correlationExpressionFromSource(eventDefinition.getSource()) != null) {
    // eventNode.setMetaData(Metadata.TRIGGER_CORRELATION_EXPR,
    // ServerlessWorkflowUtils.correlationExpressionFromSource(eventDefinition.getSource()));
    // }
    boolean useData = true;
    String outputFilter = null;
    String scopeFilter = null;
    if (eventDataFilter != null) {
        useData = eventDataFilter.isUseData();
        outputFilter = unwrapExpression(eventDataFilter.getData());
        scopeFilter = unwrapExpression(eventDataFilter.getToStateData());
    }
    if (useData) {
        Assignment outAssignment = new Assignment("jq", null, null);
        outAssignment.setMetaData("Action", new TaskOutputJqAssignmentAction(outputFilter, scopeFilter, true));
        eventNode.addOutAssociation(new DataAssociation(Collections.emptyList(), "", Arrays.asList(outAssignment), null));
    }
    nodeContainer.addNode(eventNode);
    return eventNode;
}

Example 7 with Assignment

use of io.automatiko.engine.workflow.process.core.node.Assignment in project automatiko-engine by automatiko-io.

the class CompositeContextNodeInstance method processInputMappings.

@SuppressWarnings({ "unchecked", "rawtypes" })
protected void processInputMappings() {
    VariableScopeInstance compositeVariableScopeInstance = (VariableScopeInstance) getContextInstance(VARIABLE_SCOPE);
    for (DataAssociation association : getCompositeContextNode().getInAssociations()) {
        if (association.getTransformation() != null) {
            Transformation transformation = association.getTransformation();
            DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
            if (transformer != null) {
                Object parameterValue = transformer.transform(transformation.getCompiledExpression(), getProcessInstance().getVariables());
                if (parameterValue != null) {
                    compositeVariableScopeInstance.setVariable(association.getTarget(), parameterValue);
                }
            }
        } else if (association.getAssignments() == null || association.getAssignments().isEmpty()) {
            Object parameterValue = null;
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VARIABLE_SCOPE, association.getSources().get(0));
            if (variableScopeInstance != null) {
                parameterValue = variableScopeInstance.getVariable(association.getSources().get(0));
            } else {
                try {
                    ExpressionEvaluator evaluator = (ExpressionEvaluator) ((WorkflowProcess) getProcessInstance().getProcess()).getDefaultContext(ExpressionEvaluator.EXPRESSION_EVALUATOR);
                    parameterValue = evaluator.evaluate(association.getSources().get(0), new NodeInstanceResolverFactory(this));
                } catch (Throwable t) {
                    logger.error("Could not find variable scope for variable {}", association.getSources().get(0));
                    logger.error("Continuing without setting parameter.");
                }
            }
            if (parameterValue != null) {
                compositeVariableScopeInstance.setVariable(association.getTarget(), parameterValue);
            }
        } else {
            association.getAssignments().stream().forEach(assignment -> handleAssignment(assignment, compositeVariableScopeInstance));
        }
    }
}

Example 8 with Assignment

use of io.automatiko.engine.workflow.process.core.node.Assignment in project automatiko-engine by automatiko-io.

the class CompositeContextNodeInstance method triggerCompleted.

@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public void triggerCompleted(String outType) {
    VariableScopeInstance compositeVariableScopeInstance = (VariableScopeInstance) getContextInstance(VARIABLE_SCOPE);
    for (DataAssociation association : getCompositeContextNode().getOutAssociations()) {
        if (association.getTransformation() != null) {
            Transformation transformation = association.getTransformation();
            DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
            if (transformer != null) {
                Object parameterValue = transformer.transform(transformation.getCompiledExpression(), compositeVariableScopeInstance.getVariables());
                if (parameterValue != null) {
                    getProcessInstance().setVariable(association.getTarget(), parameterValue);
                }
            }
        } else if (association.getAssignments() == null || association.getAssignments().isEmpty()) {
            Object parameterValue = null;
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VARIABLE_SCOPE, association.getSources().get(0));
            if (variableScopeInstance != null) {
                parameterValue = variableScopeInstance.getVariable(association.getSources().get(0));
            } else {
                try {
                    ExpressionEvaluator evaluator = (ExpressionEvaluator) ((WorkflowProcess) getProcessInstance().getProcess()).getDefaultContext(ExpressionEvaluator.EXPRESSION_EVALUATOR);
                    parameterValue = evaluator.evaluate(association.getSources().get(0), new NodeInstanceResolverFactory(this));
                } catch (Throwable t) {
                    logger.error("Could not find variable scope for variable {}", association.getSources().get(0));
                    logger.error("Continuing without setting parameter.");
                }
            }
            if (parameterValue != null) {
                getProcessInstance().setVariable(association.getTarget(), parameterValue);
            }
        } else {
            association.getAssignments().stream().forEach(assignment -> handleAssignment(assignment, compositeVariableScopeInstance));
        }
    }
    super.triggerCompleted(outType);
}

Example 9 with Assignment

use of io.automatiko.engine.workflow.process.core.node.Assignment in project automatiko-engine by automatiko-io.

the class MappableNodeFactory method inMappingWithJqAssignment.

default MappableNodeFactory inMappingWithJqAssignment(String inputExpression, String... params) {
    Assignment assignment = new Assignment("jq", null, null);
    assignment.setMetaData("Action", new TaskInputJqAssignmentAction(inputExpression, params));
    getMappableNode().addInAssociation(new DataAssociation(Collections.emptyList(), "", Arrays.asList(assignment), null));
    return this;
}

Example 10 with Assignment

use of io.automatiko.engine.workflow.process.core.node.Assignment in project automatiko-engine by automatiko-io.

the class ScriptTaskHandler method readDataOutputAssociation.

protected void readDataOutputAssociation(org.w3c.dom.Node xmlNode, ActionNode actionNode, Map<String, String> dataOutputs) {
    // sourceRef
    org.w3c.dom.Node subNode = xmlNode.getFirstChild();
    List<String> sources = new ArrayList<>();
    sources.add(subNode.getTextContent());
    subNode = subNode.getNextSibling();
    while ("sourceRef".equals(subNode.getNodeName())) {
        sources.add(subNode.getTextContent());
        subNode = subNode.getNextSibling();
    }
    // targetRef
    String target = subNode.getTextContent();
    // transformation
    Transformation transformation = null;
    subNode = subNode.getNextSibling();
    if (subNode != null && "transformation".equals(subNode.getNodeName())) {
        String lang = subNode.getAttributes().getNamedItem("language").getNodeValue();
        String expression = subNode.getTextContent();
        DataTransformer transformer = transformerRegistry.find(lang);
        if (transformer == null) {
            throw new IllegalArgumentException("No transformer registered for language " + lang);
        }
        transformation = new Transformation(lang, expression);
        subNode = subNode.getNextSibling();
    }
    // assignments
    List<Assignment> assignments = new LinkedList<Assignment>();
    while (subNode != null) {
        String expressionLang = ((Element) subNode).getAttribute("expressionLanguage");
        if (expressionLang == null || expressionLang.trim().isEmpty()) {
            expressionLang = "XPath";
        }
        org.w3c.dom.Node ssubNode = subNode.getFirstChild();
        String from = ssubNode.getTextContent();
        String to = ssubNode.getNextSibling().getTextContent();
        assignments.add(new Assignment(expressionLang, from, to));
        subNode = subNode.getNextSibling();
    }
    actionNode.addOutAssociation(new DataAssociation(sources.stream().map(source -> dataOutputs.get(source)).collect(Collectors.toList()), target, assignments, transformation));
}