/**
* Indicates whether the given entity has the standard annotations applied by Roo, and no others.
*
* @param entity the entity to check (required)
* @return <code>false</code> if any of the standard ones are missing or any extra ones have been
* added
*/
private boolean hasStandardEntityAnnotations(final ClassOrInterfaceTypeDetails entity) {
final List<? extends AnnotationMetadata> typeAnnotations = entity.getAnnotations();
// We expect four: RooDbManaged, RooJavaBean, RooToString, and either
// RooEntity or RooJpaEntity
if (typeAnnotations.size() != 4) {
return false;
}
// There are exactly four - check for any non-standard ones
for (final AnnotationMetadata annotation : typeAnnotations) {
final JavaType annotationType = annotation.getAnnotationType();
final boolean entityAnnotation =
ROO_JPA_ACTIVE_RECORD.equals(annotationType) || ROO_JPA_ENTITY.equals(annotationType);
if (!entityAnnotation
&& !ROO_DB_MANAGED.equals(annotationType)
&& !ROO_JAVA_BEAN.equals(annotationType)
&& !ROO_TO_STRING.equals(annotationType)) {
return false;
}
}
return true;
}
private Table updateOrDeleteManagedEntity(
final ClassOrInterfaceTypeDetails managedEntity, final Database database) {
// Update the attributes of the existing JPA-related annotation
final AnnotationMetadata jpaAnnotation = getJpaAnnotation(managedEntity);
Validate.validState(
jpaAnnotation != null,
"Neither @%s nor @%s found on existing DBRE-managed entity %s",
ROO_JPA_ACTIVE_RECORD.getSimpleTypeName(),
ROO_JPA_ENTITY.getSimpleTypeName(),
managedEntity.getName().getFullyQualifiedTypeName());
// Find table in database using 'table' and 'schema' attributes from the
// JPA annotation
final AnnotationAttributeValue<?> tableAttribute =
jpaAnnotation.getAttribute(new JavaSymbolName("table"));
final String errMsg =
"Unable to maintain database-managed entity "
+ managedEntity.getName().getFullyQualifiedTypeName()
+ " because its associated table could not be found";
Validate.notNull(tableAttribute, errMsg);
final String tableName = (String) tableAttribute.getValue();
Validate.notBlank(tableName, errMsg);
final AnnotationAttributeValue<?> schemaAttribute =
jpaAnnotation.getAttribute(new JavaSymbolName("schema"));
final String schemaName = schemaAttribute != null ? (String) schemaAttribute.getValue() : null;
final Table table = database.getTable(tableName, schemaName);
if (table == null) {
// Table is missing and probably has been dropped so delete managed
// type and its identifier if applicable
deleteManagedType(managedEntity, "no database table called '" + tableName + "'");
return null;
}
table.setIncludeNonPortableAttributes(database.isIncludeNonPortableAttributes());
table.setDisableVersionFields(database.isDisableVersionFields());
table.setDisableGeneratedIdentifiers(database.isDisableGeneratedIdentifiers());
// Update the @RooJpaEntity/@RooJpaActiveRecord attributes
final AnnotationMetadataBuilder jpaAnnotationBuilder =
new AnnotationMetadataBuilder(jpaAnnotation);
final Set<JavaSymbolName> attributesToDeleteIfPresent = new LinkedHashSet<JavaSymbolName>();
manageIdentifier(
managedEntity.getName(), jpaAnnotationBuilder, attributesToDeleteIfPresent, table);
// Manage versionField attribute
final AnnotationAttributeValue<?> versionFieldAttribute =
jpaAnnotation.getAttribute(new JavaSymbolName(VERSION_FIELD));
if (versionFieldAttribute == null) {
if (hasVersionField(table)) {
attributesToDeleteIfPresent.add(new JavaSymbolName(VERSION_FIELD));
} else {
jpaAnnotationBuilder.addStringAttribute(VERSION_FIELD, "");
}
} else {
final String versionFieldValue = (String) versionFieldAttribute.getValue();
if (hasVersionField(table)
&& (StringUtils.isBlank(versionFieldValue) || VERSION.equals(versionFieldValue))) {
attributesToDeleteIfPresent.add(new JavaSymbolName(VERSION_FIELD));
}
}
final AnnotationAttributeValue<?> sequenceNameFieldAttribute =
jpaAnnotation.getAttribute(new JavaSymbolName(SEQUENCE_NAME_FIELD));
if (sequenceNameFieldAttribute == null) {
if (!table.isDisableGeneratedIdentifiers()) {
attributesToDeleteIfPresent.add(new JavaSymbolName(SEQUENCE_NAME_FIELD));
} else {
jpaAnnotationBuilder.addStringAttribute(SEQUENCE_NAME_FIELD, "");
}
} else {
final String sequenceNameFieldValue = (String) sequenceNameFieldAttribute.getValue();
if (!table.isDisableGeneratedIdentifiers() && ("".equals(sequenceNameFieldValue))) {
attributesToDeleteIfPresent.add(new JavaSymbolName(SEQUENCE_NAME_FIELD));
}
}
// Update the annotation on disk
final ClassOrInterfaceTypeDetailsBuilder cidBuilder =
new ClassOrInterfaceTypeDetailsBuilder(managedEntity);
cidBuilder.updateTypeAnnotation(jpaAnnotationBuilder.build(), attributesToDeleteIfPresent);
typeManagementService.createOrUpdateTypeOnDisk(cidBuilder.build());
return table;
}
