+ /**
+ * Convert the specified data integrity violation exception into a CPS duplicated Yang resource exception
+ * if the cause of the error is a yang checksum database constraint violation.
+ * @param originalException the original db exception.
+ * @param yangResourceEntities the collection of Yang resources involved in the db failure.
+ * @return an optional converted CPS duplicated Yang resource exception. The optional is empty if the original
+ * cause of the error is not a yang checksum database constraint violation.
+ */
+ private Optional<DuplicatedYangResourceException> convertToDuplicatedYangResourceException(
+ final DataIntegrityViolationException originalException,
+ final Collection<YangResourceEntity> yangResourceEntities) {
+
+ // The exception result
+ DuplicatedYangResourceException duplicatedYangResourceException = null;
+
+ final Throwable cause = originalException.getCause();
+ if (cause instanceof ConstraintViolationException) {
+ final ConstraintViolationException constraintException = (ConstraintViolationException) cause;
+ if (YANG_RESOURCE_CHECKSUM_CONSTRAINT_NAME.equals(constraintException.getConstraintName())) {
+ // Db constraint related to yang resource checksum uniqueness is not respected
+ final String checksumInError = getDuplicatedChecksumFromException(constraintException);
+ final String nameInError = getNameForChecksum(checksumInError, yangResourceEntities);
+ duplicatedYangResourceException =
+ new DuplicatedYangResourceException(nameInError, checksumInError, constraintException);
+ }
+ }
+
+ return Optional.ofNullable(duplicatedYangResourceException);
+
+ }
+
+ /**
+ * Get the checksum that caused the constraint violation exception.
+ * @param exception the exception having the checksum in error.
+ * @return the checksum in error or null if not found.
+ */
+ private String getDuplicatedChecksumFromException(final ConstraintViolationException exception) {
+ String checksum = null;
+ final var matcher = CHECKSUM_EXCEPTION_PATTERN.matcher(exception.getSQLException().getMessage());
+ if (matcher.find() && matcher.groupCount() == 1) {
+ checksum = matcher.group(1);
+ }
+ return checksum;
+ }
+
+ /**
+ * Get the name of the yang resource having the specified checksum.
+ * @param checksum the checksum. Null is supported.
+ * @param yangResourceEntities the list of yang resources to search among.
+ * @return the name found or null if none.
+ */
+ private String getNameForChecksum(
+ final String checksum, final Collection<YangResourceEntity> yangResourceEntities) {
+ return
+ yangResourceEntities.stream()
+ .filter(entity -> StringUtils.equals(checksum, (entity.getChecksum())))
+ .findFirst()
+ .map(YangResourceEntity::getName)
+ .orElse(null);
+ }
+
+ @Override
+ public Map<String, String> getYangSchemaResources(final String dataspaceName, final String schemaSetName) {
+ final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+ final var schemaSetEntity =
+ schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
+ return schemaSetEntity.getYangResources().stream().collect(
+ Collectors.toMap(YangResourceEntity::getName, YangResourceEntity::getContent));
+ }
+
+ @Override
+ public Map<String, String> getYangSchemaSetResources(final String dataspaceName, final String anchorName) {
+ final var anchor = cpsAdminPersistenceService.getAnchor(dataspaceName, anchorName);
+ return getYangSchemaResources(dataspaceName, anchor.getSchemaSetName());
+ }
+
+ @Override
+ @Transactional
+ public void deleteSchemaSet(final String dataspaceName, final String schemaSetName,
+ final CascadeDeleteAllowed cascadeDeleteAllowed) {
+ final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
+ final var schemaSetEntity =
+ schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
+
+ final Collection<AnchorEntity> anchorEntities = anchorRepository.findAllBySchemaSet(schemaSetEntity);
+ if (!anchorEntities.isEmpty()) {
+ if (cascadeDeleteAllowed != CascadeDeleteAllowed.CASCADE_DELETE_ALLOWED) {
+ throw new SchemaSetInUseException(dataspaceName, schemaSetName);
+ }
+ fragmentRepository.deleteByAnchorIn(anchorEntities);
+ anchorRepository.deleteAll(anchorEntities);
+ }
+ schemaSetRepository.delete(schemaSetEntity);
+ yangResourceRepository.deleteOrphans();
+ }