/**
* Indicates whether active record CRUD methods should be generated for the given entities (this
* being an all or nothing decision)
*
* @param database the database being reverse-engineered (required)
* @param managedEntities any existing DB-managed entities in the user project (can be <code>null
* </code> or empty)
* @return see above
*/
private boolean isActiveRecord(
final Database database, final Collection<ClassOrInterfaceTypeDetails> managedEntities) {
if (CollectionUtils.isEmpty(managedEntities)) {
// There are no existing entities; use the given setting
return database.isActiveRecord();
}
/*
* There are one or more existing entities; preserve the existing
* decision, based on the first such entity. This saves the user from
* having to enter the same value for the "activeRecord" option each
* time they run the database reverse engineer command.
*/
return managedEntities.iterator().next().getAnnotation(ROO_JPA_ACTIVE_RECORD) != null;
}
private void reverseEngineer(final Database database) {
final Set<ClassOrInterfaceTypeDetails> managedEntities =
typeLocationService.findClassesOrInterfaceDetailsWithAnnotation(ROO_DB_MANAGED);
// Determine whether to create "active record" CRUD methods
database.setActiveRecord(isActiveRecord(database, managedEntities));
// Lookup the relevant destination package if not explicitly given
final JavaPackage destinationPackage = getDestinationPackage(database, managedEntities);
// Set the destination package in the database
database.setDestinationPackage(destinationPackage);
// Get tables from database
final Set<Table> tables = new LinkedHashSet<Table>(database.getTables());
// Manage existing entities with @RooDbManaged annotation
for (final ClassOrInterfaceTypeDetails managedEntity : managedEntities) {
// Remove table from set as each managed entity is processed.
// The tables that remain in the set will be used for creation of
// new entities later
final Table table = updateOrDeleteManagedEntity(managedEntity, database);
if (table != null) {
tables.remove(table);
}
}
// Create new entities from tables
final List<ClassOrInterfaceTypeDetails> newEntities =
new ArrayList<ClassOrInterfaceTypeDetails>();
for (final Table table : tables) {
// Don't create types from join tables in many-to-many associations
if (!table.isJoinTable()) {
JavaPackage schemaPackage = destinationPackage;
if (database.hasMultipleSchemas()) {
schemaPackage =
new JavaPackage(
destinationPackage.getFullyQualifiedPackageName()
+ "."
+ DbreTypeUtils.suggestPackageName(table.getSchema().getName()));
}
final JavaType javaType =
DbreTypeUtils.suggestTypeNameForNewTable(table.getName(), schemaPackage);
final boolean activeRecord = database.isActiveRecord() && !database.isRepository();
if (typeLocationService.getTypeDetails(javaType) == null) {
table.setIncludeNonPortableAttributes(database.isIncludeNonPortableAttributes());
table.setDisableVersionFields(database.isDisableVersionFields());
table.setDisableGeneratedIdentifiers(database.isDisableGeneratedIdentifiers());
newEntities.add(createNewManagedEntityFromTable(javaType, table, activeRecord));
}
}
}
// Create repositories if required
if (database.isRepository()) {
for (final ClassOrInterfaceTypeDetails entity : newEntities) {
final JavaType type = entity.getType();
repositoryJpaOperations.setupRepository(
new JavaType(type.getFullyQualifiedTypeName() + "Repository"), type);
}
}
// Create services if required
if (database.isService()) {
for (final ClassOrInterfaceTypeDetails entity : newEntities) {
final JavaType type = entity.getType();
final String typeName = type.getFullyQualifiedTypeName();
serviceOperations.setupService(
new JavaType(typeName + "Service"),
new JavaType(typeName + "ServiceImpl"),
type,
false,
"",
false,
false);
}
}
// Create integration tests if required
if (database.isTestAutomatically()) {
for (final ClassOrInterfaceTypeDetails entity : newEntities) {
integrationTestOperations.newIntegrationTest(entity.getType());
}
}
// Notify
final List<ClassOrInterfaceTypeDetails> allEntities =
new ArrayList<ClassOrInterfaceTypeDetails>();
allEntities.addAll(newEntities);
allEntities.addAll(managedEntities);
notify(allEntities);
}