protected void bindComponentProperty()

in grails-datastore-gorm-hibernate/src/main/groovy/org/grails/orm/hibernate/cfg/GrailsDomainBinder.java [2229:2291]
56 lines of code
13 McCabe index (conditional complexity)

    protected void bindComponentProperty(Component component, PersistentProperty componentProperty,
                                         PersistentProperty currentGrailsProp, PersistentClass persistentClass,
                                         String path, Table table, InFlightMetadataCollector mappings, String sessionFactoryBeanName) {
        Value value;
        // see if it's a collection type
        CollectionType collectionType = CT.collectionTypeForClass(currentGrailsProp.getType());
        if (collectionType != null) {
            // create collection
            Collection collection = collectionType.create((ToMany) currentGrailsProp, persistentClass,
                    path, mappings, sessionFactoryBeanName);
            mappings.addCollectionBinding(collection);
            value = collection;
        }
        // work out what type of relationship it is and bind value
        else if (currentGrailsProp instanceof org.grails.datastore.mapping.model.types.ManyToOne) {
            if (LOG.isDebugEnabled())
                LOG.debug("[GrailsDomainBinder] Binding property [" + currentGrailsProp.getName() + "] as ManyToOne");

            value = new ManyToOne(metadataBuildingContext, table);
            bindManyToOne((Association) currentGrailsProp, (ManyToOne) value, path, mappings, sessionFactoryBeanName);
        } else if (currentGrailsProp instanceof org.grails.datastore.mapping.model.types.OneToOne) {
            if (LOG.isDebugEnabled())
                LOG.debug("[GrailsDomainBinder] Binding property [" + currentGrailsProp.getName() + "] as OneToOne");

            if (canBindOneToOneWithSingleColumnAndForeignKey((Association) currentGrailsProp)) {
                value = new OneToOne(metadataBuildingContext, table, persistentClass);
                bindOneToOne((org.grails.datastore.mapping.model.types.OneToOne) currentGrailsProp, (OneToOne) value, path, sessionFactoryBeanName);
            }
            else {
                value = new ManyToOne(metadataBuildingContext, table);
                bindManyToOne((Association) currentGrailsProp, (ManyToOne) value, path, mappings, sessionFactoryBeanName);
            }
        }
        else if (currentGrailsProp instanceof Embedded) {
            value = new Component(metadataBuildingContext, persistentClass);
            bindComponent((Component) value, (Embedded) currentGrailsProp, true, mappings, sessionFactoryBeanName);
        }
        else {
            if (LOG.isDebugEnabled())
                LOG.debug("[GrailsDomainBinder] Binding property [" + currentGrailsProp.getName() + "] as SimpleValue");

            value = new SimpleValue(metadataBuildingContext, table);
            if (currentGrailsProp.getType().isEnum()) {
                bindEnumType(currentGrailsProp, (SimpleValue) value, path, sessionFactoryBeanName);
            }
            else {
                bindSimpleValue(currentGrailsProp, componentProperty, (SimpleValue) value, path,
                        mappings, sessionFactoryBeanName);
            }
        }

        if (value != null) {
            Property persistentProperty = createProperty(value, persistentClass, currentGrailsProp, mappings);
            component.addProperty(persistentProperty);
            if (isComponentPropertyNullable(componentProperty)) {
                final Iterator<?> columnIterator = value.getColumnIterator();
                while (columnIterator.hasNext()) {
                    Column c = (Column) columnIterator.next();
                    c.setNullable(true);
                }
            }
        }
    }