Example #1
0
  protected Entity addItem(Entity parentEntity, Integer qtyValue, Double priceValue) {
    EntityDefinition rootEntityDefn = parentEntity.getDefinition();
    EntityDefinition itemDefn = (EntityDefinition) rootEntityDefn.getChildDefinition("item");
    Entity item = (Entity) itemDefn.createNode();

    if (qtyValue != null) {
      NodeDefinition qtyDefn = itemDefn.getChildDefinition("qty");
      IntegerAttribute qty = (IntegerAttribute) qtyDefn.createNode();
      qty.setValue(new IntegerValue(qtyValue, null));
      item.add(qty);
    }
    if (priceValue != null) {
      NumericAttributeDefinition priceDefn =
          (NumericAttributeDefinition) itemDefn.getChildDefinition("price");
      RealAttribute price = (RealAttribute) priceDefn.createNode();
      price.setValue(new RealValue(priceValue, null));
      item.add(price);
    }
    NumberAttributeDefinition totalDefn =
        (NumberAttributeDefinition) itemDefn.getChildDefinition("total");
    RealAttribute total = (RealAttribute) totalDefn.createNode();
    item.add(total);

    NumberAttributeDefinition discountDefn =
        (NumberAttributeDefinition) itemDefn.getChildDefinition("discount_percent");
    IntegerAttribute discount = (IntegerAttribute) discountDefn.createNode();
    item.add(discount);

    parentEntity.add(item);
    return item;
  }
Example #2
0
 public RealValue parseReal(NumberAttributeDefinition attrDef, String value) {
   Map<String, Object> map = parseJSONToMap(value, RealValue.VALUE_FIELD);
   if (map == null) {
     return null;
   }
   Integer unitId = getInteger(map, RealValue.UNIT_ID_FIELD);
   Unit unit = attrDef.getActualUnit(unitId);
   return new RealValue(getDouble(map, RealValue.VALUE_FIELD), unit);
 }
Example #3
0
  /**
   * Creates a test survey in which there is a bill with a list of items. For each item there is a
   * price, a quantity and a total (calculated using the an expression or a constant).
   *
   * @return
   */
  private Survey createTestSurvey() {
    SurveyContext surveyContext = new TestSurveyContext();
    Survey survey = surveyContext.createSurvey();
    Schema schema = survey.getSchema();
    EntityDefinition root = schema.createEntityDefinition();
    root.setName("bill");
    schema.addRootEntityDefinition(root);
    EntityDefinition item = schema.createEntityDefinition();
    item.setName("item");
    root.addChildDefinition(item);
    NumberAttributeDefinition qty = schema.createNumberAttributeDefinition();
    qty.setType(Type.INTEGER);
    qty.setName("qty");
    item.addChildDefinition(qty);
    NumberAttributeDefinition price = schema.createNumberAttributeDefinition();
    price.setName("price");
    item.addChildDefinition(price);
    NumberAttributeDefinition total = schema.createNumberAttributeDefinition();
    total.setName("total");
    total.setCalculated(true);
    total.addAttributeDefault(
        new AttributeDefault("qty * (price - (price * discount_percent div 100))"));
    item.addChildDefinition(total);

    NumberAttributeDefinition discountPercent = schema.createNumberAttributeDefinition();
    discountPercent.setType(Type.INTEGER);
    discountPercent.setName("discount_percent");
    discountPercent.setCalculated(true);
    discountPercent.addAttributeDefault(new AttributeDefault("30", "qty > 50"));
    discountPercent.addAttributeDefault(new AttributeDefault("20", "qty > 20"));
    discountPercent.addAttributeDefault(new AttributeDefault("10", "qty > 10"));
    discountPercent.addAttributeDefault(new AttributeDefault("0", "true()"));
    item.addChildDefinition(discountPercent);

    return survey;
  }