Examples with Variable io.automatiko.engine.workflow.base.core.context.variable.Variable used on opensource projects

Example 41 with Variable

use of io.automatiko.engine.workflow.base.core.context.variable.Variable in project automatiko-engine by automatiko-io.

the class ActionNodeInstance method setOutputVariable.

public void setOutputVariable(Object variable) {
    List<DataAssociation> outputs = getActionNode().getOutAssociations();
    if (outputs != null && !outputs.isEmpty()) {
        for (DataAssociation output : outputs) {
            VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VariableScope.VARIABLE_SCOPE, getActionNode().getOutAssociations().get(0).getTarget());
            if (variableScopeInstance != null) {
                if (output.getTransformation() != null) {
                    Transformation transformation = output.getTransformation();
                    DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
                    if (transformer != null) {
                        final Object currentValue = variable;
                        Map<String, Object> dataSet = new HashMap<String, Object>();
                        for (String source : output.getSources()) {
                            dataSet.put(source, currentValue);
                        }
                        variable = transformer.transform(transformation.getCompiledExpression(), dataSet);
                    }
                }
                Variable var = variableScopeInstance.getVariableScope().getVariables().stream().filter(v -> v.getId().equals(output.getTarget())).findFirst().orElse(null);
                if (var != null) {
                    variableScopeInstance.setVariable(var.getName(), variable);
                } else {
                    variableScopeInstance.setVariable(getActionNode().getOutAssociations().get(0).getTarget(), variable);
                }
            }
        }
    }
}

Example 42 with Variable

use of io.automatiko.engine.workflow.base.core.context.variable.Variable in project automatiko-engine by automatiko-io.

the class RuleSetNodeInstance method processOutputs.

@SuppressWarnings({ "unchecked", "rawtypes" })
private void processOutputs(Map<String, Object> inputs, Map<String, Object> objects) {
    logger.debug("Rules evaluation results {}", objects);
    RuleSetNode ruleSetNode = getRuleSetNode();
    if (ruleSetNode != null) {
        for (Iterator<DataAssociation> iterator = ruleSetNode.getOutAssociations().iterator(); iterator.hasNext(); ) {
            DataAssociation association = iterator.next();
            if (association.getTransformation() != null) {
                Transformation transformation = association.getTransformation();
                DataTransformer transformer = DataTransformerRegistry.get().find(transformation.getLanguage());
                if (transformer != null) {
                    Map<String, Object> dataSet = new HashMap<String, Object>();
                    if (getNodeInstanceContainer() instanceof CompositeContextNodeInstance) {
                        VariableScopeInstance variableScopeInstance = (VariableScopeInstance) ((CompositeContextNodeInstance) getNodeInstanceContainer()).getContextInstance(VariableScope.VARIABLE_SCOPE);
                        if (variableScopeInstance != null) {
                            dataSet.putAll(variableScopeInstance.getVariables());
                        }
                    }
                    dataSet.putAll(inputs);
                    dataSet.putAll(objects);
                    Object parameterValue = transformer.transform(transformation.getCompiledExpression(), dataSet);
                    VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VariableScope.VARIABLE_SCOPE, association.getTarget());
                    if (variableScopeInstance != null && parameterValue != null) {
                        variableScopeInstance.setVariable(this, association.getTarget(), parameterValue);
                    } else {
                        logger.warn("Could not find variable scope for variable {}", association.getTarget());
                        logger.warn("Continuing without setting variable.");
                    }
                }
            } else if (association.getAssignments() == null || association.getAssignments().isEmpty()) {
                VariableScopeInstance variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VariableScope.VARIABLE_SCOPE, association.getTarget());
                if (variableScopeInstance != null) {
                    Object value = objects.get(association.getSources().get(0));
                    if (value == null) {
                        try {
                            ExpressionEvaluator evaluator = (ExpressionEvaluator) ((WorkflowProcess) getProcessInstance().getProcess()).getDefaultContext(ExpressionEvaluator.EXPRESSION_EVALUATOR);
                            value = evaluator.evaluate(association.getSources().get(0), new MapVariableResolverFactory(objects));
                        } catch (Throwable t) {
                        // do nothing
                        }
                    }
                    Variable varDef = variableScopeInstance.getVariableScope().findVariable(association.getTarget());
                    DataType dataType = varDef.getType();
                    // exclude java.lang.Object as it is considered unknown type
                    if (!dataType.getStringType().endsWith("java.lang.Object") && value instanceof String) {
                        value = dataType.readValue((String) value);
                    }
                    variableScopeInstance.setVariable(this, association.getTarget(), value);
                } else {
                    String output = association.getSources().get(0);
                    String target = association.getTarget();
                    Matcher matcher = PatternConstants.PARAMETER_MATCHER.matcher(target);
                    if (matcher.find()) {
                        String paramName = matcher.group(1);
                        String expression = VariableUtil.transformDotNotation(paramName, output);
                        NodeInstanceResolverFactory resolver = new NodeInstanceResolverFactory(this);
                        resolver.addExtraParameters(objects);
                        Serializable compiled = MVEL.compileExpression(expression);
                        MVEL.executeExpression(compiled, resolver);
                        String varName = VariableUtil.nameFromDotNotation(paramName);
                        variableScopeInstance = (VariableScopeInstance) resolveContextInstance(VARIABLE_SCOPE, varName);
                        variableScopeInstance.setVariable(this, varName, variableScopeInstance.getVariable(varName));
                    } else {
                        logger.warn("Could not find variable scope for variable {}", association.getTarget());
                    }
                }
            }
        }
    }
}

Example 43 with Variable

use of io.automatiko.engine.workflow.base.core.context.variable.Variable in project automatiko-engine by automatiko-io.

the class WorkflowProcessInstanceImpl method getPublicVariables.

@Override
public Map<String, Object> getPublicVariables() {
    Map<String, Object> variables = new HashMap<>(getVariables());
    VariableScope variableScope = (VariableScope) ((io.automatiko.engine.workflow.process.core.WorkflowProcess) getProcess()).getDefaultContext(VariableScope.VARIABLE_SCOPE);
    for (Variable variable : variableScope.getVariables()) {
        if (variable.hasTag(Variable.SENSITIVE_TAG)) {
            variables.remove(variable.getName());
        }
    }
    return variables;
}

Example 44 with Variable

use of io.automatiko.engine.workflow.base.core.context.variable.Variable in project automatiko-engine by automatiko-io.

the class SplitNodeVisitor method visitNode.

@Override
public void visitNode(WorkflowProcess process, String factoryField, Split node, BlockStmt body, VariableScope variableScope, ProcessMetaData metadata) {
    body.addStatement(getAssignedFactoryMethod(factoryField, SplitFactory.class, getNodeId(node), getNodeKey(), new LongLiteralExpr(node.getId()))).addStatement(getNameMethod(node, "Split")).addStatement(getFactoryMethod(getNodeId(node), METHOD_TYPE, new IntegerLiteralExpr(node.getType())));
    visitMetaData(node.getMetaData(), body, getNodeId(node));
    if (node.getType() == Split.TYPE_OR || node.getType() == Split.TYPE_XOR) {
        for (Entry<ConnectionRef, Constraint> entry : node.getConstraints().entrySet()) {
            if (entry.getValue() != null) {
                String dialect = entry.getValue().getDialect();
                if ("jq".equals(dialect)) {
                    body.addStatement(getFactoryMethod(getNodeId(node), METHOD_CONSTRAINT, new LongLiteralExpr(entry.getKey().getNodeId()), new StringLiteralExpr(getOrDefault(entry.getKey().getConnectionId(), "")), new StringLiteralExpr(entry.getKey().getToType()), new StringLiteralExpr(entry.getValue().getDialect()), new StringLiteralExpr(entry.getValue().getConstraint()), new IntegerLiteralExpr(entry.getValue().getPriority())));
                } else {
                    BlockStmt actionBody = new BlockStmt();
                    LambdaExpr lambda = new // (kcontext) ->
                    LambdaExpr(// (kcontext) ->
                    new Parameter(new UnknownType(), KCONTEXT_VAR), actionBody);
                    for (Variable v : variableScope.getVariables()) {
                        actionBody.addStatement(makeAssignment(v));
                    }
                    variableScope.getVariables().stream().filter(v -> v.hasTag(Variable.VERSIONED_TAG)).map(ActionNodeVisitor::makeAssignmentVersions).forEach(actionBody::addStatement);
                    if (entry.getValue().getConstraint().contains(System.getProperty("line.separator"))) {
                        BlockStmt constraintBody = new BlockStmt();
                        constraintBody.addStatement(entry.getValue().getConstraint());
                        actionBody.addStatement(constraintBody);
                    } else {
                        actionBody.addStatement(new ReturnStmt(new EnclosedExpr(new NameExpr(entry.getValue().getConstraint()))));
                    }
                    body.addStatement(getFactoryMethod(getNodeId(node), METHOD_CONSTRAINT, new LongLiteralExpr(entry.getKey().getNodeId()), new StringLiteralExpr(getOrDefault(entry.getKey().getConnectionId(), "")), new StringLiteralExpr(entry.getKey().getToType()), new StringLiteralExpr(entry.getValue().getDialect()), lambda, new IntegerLiteralExpr(entry.getValue().getPriority())));
                }
            }
        }
    }
    body.addStatement(getDoneMethod(getNodeId(node)));
}

Example 45 with Variable

use of io.automatiko.engine.workflow.base.core.context.variable.Variable in project automatiko-engine by automatiko-io.

the class StartNodeVisitor method handleTrigger.

protected void handleTrigger(StartNode startNode, Map<String, Object> nodeMetaData, BlockStmt body, VariableScope variableScope, ProcessMetaData metadata) {
    if (EVENT_TYPE_SIGNAL.equalsIgnoreCase((String) startNode.getMetaData(TRIGGER_TYPE))) {
        Variable variable = null;
        Map<String, String> variableMapping = startNode.getOutMappings();
        String variableType = null;
        if (variableMapping != null && !variableMapping.isEmpty()) {
            Entry<String, String> varInfo = variableMapping.entrySet().iterator().next();
            body.addStatement(getFactoryMethod(getNodeId(startNode), METHOD_TRIGGER, new StringLiteralExpr((String) nodeMetaData.get(MESSAGE_TYPE)), getOrNullExpr(varInfo.getKey()), getOrNullExpr(varInfo.getValue())));
            Matcher matcher = PatternConstants.PARAMETER_MATCHER.matcher(varInfo.getValue());
            if (matcher.find()) {
                variableType = (String) nodeMetaData.get(TRIGGER_REF);
            } else {
                variable = variableScope.findVariable(varInfo.getValue());
                if (variable == null) {
                    // check parent node container
                    VariableScope vscope = (VariableScope) startNode.resolveContext(VariableScope.VARIABLE_SCOPE, varInfo.getKey());
                    variable = vscope.findVariable(varInfo.getValue());
                }
                variableType = variable != null ? variable.getType().getStringType() : null;
            }
        } else {
            body.addStatement(getFactoryMethod(getNodeId(startNode), METHOD_TRIGGER, new StringLiteralExpr((String) nodeMetaData.get(MESSAGE_TYPE)), new StringLiteralExpr(getOrDefault((String) nodeMetaData.get(TRIGGER_MAPPING), ""))));
        }
        metadata.addSignal((String) nodeMetaData.get(MESSAGE_TYPE), variableType, startNode);
    } else if (EVENT_TYPE_CONDITION.equalsIgnoreCase((String) startNode.getMetaData(TRIGGER_TYPE))) {
        ConstraintTrigger constraintTrigger = (ConstraintTrigger) startNode.getTriggers().get(0);
        body.addStatement(getFactoryMethod(getNodeId(startNode), METHOD_CONDITION, createLambdaExpr(constraintTrigger.getConstraint(), variableScope)));
    } else {
        String triggerMapping = (String) nodeMetaData.get(TRIGGER_MAPPING);
        body.addStatement(getFactoryMethod(getNodeId(startNode), METHOD_TRIGGER, new StringLiteralExpr((String) nodeMetaData.get(TRIGGER_REF)), new StringLiteralExpr(getOrDefault((String) nodeMetaData.get(TRIGGER_MAPPING), "")), new StringLiteralExpr(getOrDefault(startNode.getOutMapping(triggerMapping), ""))));
    }
}