Examples with TypeDB com.vaticle.typedb.core.TypeDB used on opensource projects

Example 11 with TypeDB

use of com.vaticle.typedb.core.TypeDB in project grakn by graknlabs.

the class DataExporter method run.

public void run() {
    LOG.info("Exporting {} from TypeDB {}", database, version);
    try (OutputStream outputStream = new BufferedOutputStream(Files.newOutputStream(filename))) {
        export(outputStream, header());
        try (TypeDB.Session session = databaseMgr.session(database, Arguments.Session.Type.DATA);
            TypeDB.Transaction tx = session.transaction(Arguments.Transaction.Type.READ)) {
            totalEntityCount = tx.concepts().getRootEntityType().getInstancesCount();
            totalAttributeCount = tx.concepts().getRootAttributeType().getInstancesCount();
            totalRelationCount = tx.concepts().getRootRelationType().getInstancesCount();
            List<Runnable> exporters = Arrays.asList(() -> exportEntities(tx, outputStream), () -> exportRelations(tx, outputStream), () -> exportAttributes(tx, outputStream));
            exporters.parallelStream().forEach(Runnable::run);
            export(outputStream, checksums());
        }
    } catch (IOException e) {
        throw TypeDBException.of(FILE_NOT_WRITABLE, filename.toString());
    }
    LOG.info("Exported " + status.toString());
}