Examples of org.switchyard.component.common.knowledge.expression.ExpressionMapping


    private static void mapExpressions(OperationModel operationModel, KnowledgeOperation operation) {
        GlobalsModel globalsModel = operationModel.getGlobals();
        if (globalsModel != null) {
            for (GlobalModel globalModel : globalsModel.getGlobals()) {
                operation.getGlobalExpressionMappings().add(new ExpressionMapping(globalModel));
            }
        }
        InputsModel inputsModel = operationModel.getInputs();
        if (inputsModel != null) {
            for (InputModel inputModel : inputsModel.getInputs()) {
                operation.getInputExpressionMappings().add(new ExpressionMapping(inputModel));
            }
        }
        OutputsModel outputsModel = operationModel.getOutputs();
        if (outputsModel != null) {
            for (OutputModel outputModel : outputsModel.getOutputs()) {
                operation.getOutputExpressionMappings().add(new ExpressionMapping(outputModel));
            }
        }
        FaultsModel faultsModel = operationModel.getFaults();
        if (faultsModel != null) {
            for (FaultModel faultModel : faultsModel.getFaults()) {
                operation.getFaultExpressionMappings().add(new ExpressionMapping(faultModel));
            }
        }
    }

            if (!expressionVariables.containsKey(defaultReturnVariable)) {
                expressionVariables.put(defaultReturnVariable, null);
            }
            for (Entry<String, List<ExpressionMapping>> toListEntry : toListMap.entrySet()) {
                List<Object> from_list = new ArrayList<Object>();
                ExpressionMapping to_em = null;
                for (ExpressionMapping from_em : toListEntry.getValue()) {
                    if (to_em == null) {
                        to_em = from_em;
                    }
                    Object from_value = run(message, from_em.getFromExpression(), expressionVariables);
                    if (from_value != null) {
                        from_list.add(from_value);
                    } else {
                        from_value = getValue(expressionVariables, from_em.getFrom());
                        if (from_value != null) {
                            from_list.add(from_value);
                        }
                    }
                }
                final Object output;
                switch (from_list.size()) {
                    case 0:
                        output = null;
                        break;
                    case 1:
                        output = from_list.get(0);
                        break;
                    default:
                        output = from_list;
                        break;
                }
                String output_var = toVariable(output);
                expressionVariables.put(output_var, output);
                String output_to = to_em.getTo() + " = " + output_var;
                Expression output_to_expr = ExpressionFactory.INSTANCE.create(output_to, null, to_em.getPropertyResolver());
                run(message, output_to_expr, expressionVariables);
            }
        }
    }

Examples of org.switchyard.component.common.knowledge.expression.ExpressionMapping

Related Classes of org.switchyard.component.common.knowledge.expression.ExpressionMapping