Examples with SchemaVersionMergeException com.hortonworks.registries.schemaregistry.errors.SchemaVersionMergeException used on opensource projects

Example 1 with SchemaVersionMergeException

use of com.hortonworks.registries.schemaregistry.errors.SchemaVersionMergeException in project registry by hortonworks.

the class SchemaVersionLifecycleManager method mergeSchemaVersion.

public SchemaVersionMergeResult mergeSchemaVersion(Long schemaVersionId, SchemaVersionMergeStrategy schemaVersionMergeStrategy) throws SchemaNotFoundException, IncompatibleSchemaException {
    try {
        SchemaVersionInfo schemaVersionInfo = getSchemaVersionInfo(new SchemaIdVersion(schemaVersionId));
        SchemaMetadataInfo schemaMetadataInfo = getSchemaMetadataInfo(schemaVersionInfo.getName());
        Set<SchemaBranch> schemaBranches = getSchemaBranches(schemaVersionId).stream().filter(schemaBranch -> {
            try {
                return !getRootVersion(schemaBranch).getId().equals(schemaVersionId);
            } catch (SchemaNotFoundException e) {
                throw new RuntimeException(e);
            }
        }).collect(Collectors.toSet());
        if (schemaBranches.size() > 1) {
            throw new SchemaVersionMergeException(String.format("Can't determine a unique schema branch for schema version id : '%s'", schemaVersionId));
        } else if (schemaBranches.size() == 0) {
            throw new SchemaVersionMergeException(String.format("Schema version id : '%s' is not associated with any branch", schemaVersionId));
        }
        Long schemaBranchId = schemaBranches.iterator().next().getId();
        SchemaBranch schemaBranch = schemaBranchCache.get(SchemaBranchCache.Key.of(schemaBranchId));
        if (schemaVersionMergeStrategy.equals(SchemaVersionMergeStrategy.PESSIMISTIC)) {
            SchemaVersionInfo latestSchemaVersion = getLatestEnabledSchemaVersionInfo(SchemaBranch.MASTER_BRANCH, schemaMetadataInfo.getSchemaMetadata().getName());
            SchemaVersionInfo rootSchemaVersion = getRootVersion(schemaBranch);
            if (!latestSchemaVersion.getId().equals(rootSchemaVersion.getId())) {
                throw new SchemaVersionMergeException(String.format("The latest version of '%s' is different from the root version of the branch : '%s'", SchemaBranch.MASTER_BRANCH, schemaMetadataInfo.getSchemaMetadata().getName()));
            }
        }
        byte[] initializedStateDetails;
        try {
            initializedStateDetails = ObjectMapperUtils.serialize(new InitializedStateDetails(schemaBranch.getName(), schemaVersionInfo.getId()));
        } catch (JsonProcessingException e) {
            throw new RuntimeException(String.format("Failed to serialize initializedState for %s and %s", schemaBranch.getName(), schemaVersionInfo.getId()));
        }
        SchemaVersionInfo createdSchemaVersionInfo;
        try {
            SchemaVersionInfo existingSchemaVersionInfo = findSchemaVersion(SchemaBranch.MASTER_BRANCH, schemaMetadataInfo.getSchemaMetadata().getType(), schemaVersionInfo.getSchemaText(), schemaMetadataInfo.getSchemaMetadata().getName());
            if (existingSchemaVersionInfo != null) {
                String mergeMessage = String.format("Given version %d is already merged to master with version %d", schemaVersionId, existingSchemaVersionInfo.getVersion());
                LOG.info(mergeMessage);
                return new SchemaVersionMergeResult(new SchemaIdVersion(schemaMetadataInfo.getId(), existingSchemaVersionInfo.getVersion(), existingSchemaVersionInfo.getId()), mergeMessage);
            }
            createdSchemaVersionInfo = createSchemaVersion(SchemaBranch.MASTER_BRANCH, schemaMetadataInfo.getSchemaMetadata(), schemaMetadataInfo.getId(), new SchemaVersion(schemaVersionInfo.getSchemaText(), schemaVersionInfo.getDescription(), SchemaVersionLifecycleStates.INITIATED.getId(), initializedStateDetails));
        } catch (InvalidSchemaException e) {
            throw new SchemaVersionMergeException(String.format("Failed to merge schema version : '%s'", schemaVersionId.toString()), e);
        }
        Collection<SchemaVersionStateStorable> schemaVersionStates = storageManager.find(SchemaVersionStateStorable.NAME_SPACE, Collections.singletonList(new QueryParam(SchemaVersionStateStorable.SCHEMA_VERSION_ID, schemaVersionId.toString())), Collections.singletonList(OrderByField.of(SchemaVersionStateStorable.SEQUENCE, true)));
        if (schemaVersionStates == null || schemaVersionStates.isEmpty()) {
            throw new RuntimeException(String.format("The database doesn't have any state transition recorded for the schema version id : '%s'", schemaVersionId));
        }
        updateSchemaVersionState(createdSchemaVersionInfo.getId(), schemaVersionStates.iterator().next().getSequence(), SchemaVersionLifecycleStates.ENABLED.getId(), null);
        String mergeMessage = String.format("Given version %d is merged successfully to master with version %d", schemaVersionId, createdSchemaVersionInfo.getVersion());
        LOG.info(mergeMessage);
        return new SchemaVersionMergeResult(new SchemaIdVersion(schemaMetadataInfo.getId(), createdSchemaVersionInfo.getVersion(), createdSchemaVersionInfo.getId()), mergeMessage);
    } catch (SchemaBranchNotFoundException e) {
        throw new SchemaVersionMergeException(String.format("Failed to merge schema version : '%s'", schemaVersionId.toString()), e);
    }
}