private void addPersistentProperty(Property property) {
   if ("field".equals(property.getPropertyAccessorName())) {
     fieldAccessedPersistentProperties.add(property.getName());
   } else {
     propertyAccessedPersistentProperties.add(property.getName());
   }
 }
 private PropertyData getIdPropertyData(Property property) {
   return new PropertyData(
       property.getName(),
       property.getName(),
       property.getPropertyAccessorName(),
       ModificationStore.FULL);
 }
 private PropertyAuditingData getIdPersistentPropertyAuditingData(Property property) {
   return new PropertyAuditingData(
       property.getName(),
       property.getPropertyAccessorName(),
       ModificationStore.FULL,
       RelationTargetAuditMode.AUDITED,
       null,
       null,
       false);
 }
 private void readPersistentPropertiesAccess() {
   final Iterator<Property> propertyIter = persistentPropertiesSource.getPropertyIterator();
   while (propertyIter.hasNext()) {
     final Property property = propertyIter.next();
     addPersistentProperty(property);
     if ("embedded".equals(property.getPropertyAccessorName())
         && property.getName().equals(property.getNodeName())) {
       // If property name equals node name and embedded accessor type is used, processing
       // component
       // has been defined with <properties> tag. See HHH-6636 JIRA issue.
       createPropertiesGroupMapping(property);
     }
   }
 }
 private static void collectComponents(
     Map<String, Component> components, Iterator<Property> iter) {
   while (iter.hasNext()) {
     Property property = iter.next();
     if (!"embedded".equals(property.getPropertyAccessorName())
         && // HBX-267, embedded property for <properties> should not be generated as component.
         property.getValue() instanceof Component) {
       Component comp = (Component) property.getValue();
       addComponent(components, comp);
     } else if (property.getValue() instanceof Collection) {
       // compisite-element in collection
       Collection collection = (Collection) property.getValue();
       if (collection.getElement() instanceof Component) {
         Component comp = (Component) collection.getElement();
         addComponent(components, comp);
       }
     }
   }
 }
  @SuppressWarnings({"unchecked"})
  public void doSecondPass(Map persistentClasses) throws MappingException {
    PersistentClass referencedPersistentClass =
        (PersistentClass) persistentClasses.get(referencedEntityName);
    // TODO better error names
    if (referencedPersistentClass == null) {
      throw new AnnotationException("Unknown entity name: " + referencedEntityName);
    }
    if (!(referencedPersistentClass.getIdentifier() instanceof Component)) {
      throw new AssertionFailure(
          "Unexpected identifier type on the referenced entity when mapping a @MapsId: "
              + referencedEntityName);
    }
    Component referencedComponent = (Component) referencedPersistentClass.getIdentifier();
    Iterator<Property> properties = referencedComponent.getPropertyIterator();

    // prepare column name structure
    boolean isExplicitReference = true;
    Map<String, Ejb3JoinColumn> columnByReferencedName =
        new HashMap<String, Ejb3JoinColumn>(joinColumns.length);
    for (Ejb3JoinColumn joinColumn : joinColumns) {
      final String referencedColumnName = joinColumn.getReferencedColumn();
      if (referencedColumnName == null
          || BinderHelper.isEmptyAnnotationValue(referencedColumnName)) {
        break;
      }
      // JPA 2 requires referencedColumnNames to be case insensitive
      columnByReferencedName.put(referencedColumnName.toLowerCase(), joinColumn);
    }
    // try default column orientation
    int index = 0;
    if (columnByReferencedName.isEmpty()) {
      isExplicitReference = false;
      for (Ejb3JoinColumn joinColumn : joinColumns) {
        columnByReferencedName.put("" + index, joinColumn);
        index++;
      }
      index = 0;
    }

    while (properties.hasNext()) {
      Property referencedProperty = properties.next();
      if (referencedProperty.isComposite()) {
        throw new AssertionFailure(
            "Unexpected nested component on the referenced entity when mapping a @MapsId: "
                + referencedEntityName);
      } else {
        Property property = new Property();
        property.setName(referencedProperty.getName());
        property.setNodeName(referencedProperty.getNodeName());
        // FIXME set optional?
        // property.setOptional( property.isOptional() );
        property.setPersistentClass(component.getOwner());
        property.setPropertyAccessorName(referencedProperty.getPropertyAccessorName());
        SimpleValue value = new SimpleValue(mappings, component.getTable());
        property.setValue(value);
        final SimpleValue referencedValue = (SimpleValue) referencedProperty.getValue();
        value.setTypeName(referencedValue.getTypeName());
        value.setTypeParameters(referencedValue.getTypeParameters());
        final Iterator<Column> columns = referencedValue.getColumnIterator();

        if (joinColumns[0].isNameDeferred()) {
          joinColumns[0].copyReferencedStructureAndCreateDefaultJoinColumns(
              referencedPersistentClass, columns, value);
        } else {
          // FIXME take care of Formula
          while (columns.hasNext()) {
            Column column = columns.next();
            final Ejb3JoinColumn joinColumn;
            String logicalColumnName = null;
            if (isExplicitReference) {
              final String columnName = column.getName();
              logicalColumnName =
                  mappings.getLogicalColumnName(columnName, referencedPersistentClass.getTable());
              // JPA 2 requires referencedColumnNames to be case insensitive
              joinColumn = columnByReferencedName.get(logicalColumnName.toLowerCase());
            } else {
              joinColumn = columnByReferencedName.get("" + index);
              index++;
            }
            if (joinColumn == null && !joinColumns[0].isNameDeferred()) {
              throw new AnnotationException(
                  isExplicitReference
                      ? "Unable to find column reference in the @MapsId mapping: "
                          + logicalColumnName
                      : "Implicit column reference in the @MapsId mapping fails, try to use explicit referenceColumnNames: "
                          + referencedEntityName);
            }
            final String columnName =
                joinColumn == null || joinColumn.isNameDeferred()
                    ? "tata_" + column.getName()
                    : joinColumn.getName();
            value.addColumn(new Column(columnName));
            column.setValue(value);
          }
        }
        component.addProperty(property);
      }
    }
  }