Examples with DatabaseManagementService org.neo4j.dbms.api.DatabaseManagementService used on opensource projects

Example 21 with DatabaseManagementService

use of org.neo4j.dbms.api.DatabaseManagementService in project neo4j by neo4j.

the class ImportCommandTest method assertTokenIndexesCreated.

private void assertTokenIndexesCreated() {
    DatabaseManagementService dbms = dbmsService();
    try (var tx = dbms.database(DEFAULT_DATABASE_NAME).beginTx()) {
        var indexes = stream(tx.schema().getIndexes().spliterator(), false).collect(toList());
        assertThat(indexes.stream().filter(index -> index.getIndexType() == LOOKUP).count()).isEqualTo(2);
        assertTrue(indexes.stream().anyMatch(IndexDefinition::isNodeIndex));
        assertTrue(indexes.stream().anyMatch(IndexDefinition::isRelationshipIndex));
    } finally {
        dbms.shutdown();
    }
}

Example 22 with DatabaseManagementService

use of org.neo4j.dbms.api.DatabaseManagementService in project neo4j by neo4j.

the class StartOldDbOnCurrentVersionAndCreateFusionIndexIT method createIndexDataAndShutdown.

private static void createIndexDataAndShutdown(DatabaseManagementServiceBuilder builder, String indexProvider, Label label, Consumer<GraphDatabaseService> otherActions) {
    builder.setConfig(GraphDatabaseSettings.default_schema_provider, indexProvider);
    DatabaseManagementService dbms = builder.build();
    try {
        GraphDatabaseService db = dbms.database(DEFAULT_DATABASE_NAME);
        otherActions.accept(db);
        createIndexData(db, label);
    } finally {
        dbms.shutdown();
    }
}

Example 23 with DatabaseManagementService

use of org.neo4j.dbms.api.DatabaseManagementService in project neo4j by neo4j.

the class IndexConfigMigrationIT method create3_5Database.

@Disabled("Here as reference for how 3.5 db was created")
@Test
void create3_5Database() throws Exception {
    Path storeDir = tempStoreDirectory();
    DatabaseManagementServiceBuilder builder = new TestDatabaseManagementServiceBuilder(storeDir);
    setSpatialConfig(builder);
    DatabaseManagementService dbms = builder.build();
    GraphDatabaseService db = dbms.database(DEFAULT_DATABASE_NAME);
    createIndex(db, NATIVE_BTREE10.providerName(), label1);
    // createIndex( db, NATIVE20.providerName(), label2 ); // <- Those index providers are removed in 4.0, but here for reference.
    // createIndex( db, NATIVE10.providerName(), label3 );
    // createIndex( db, LUCENE10.providerName(), label4 );
    createSpatialData(db, label1, label2, label3, label4);
    for (FulltextIndexDescription fulltextIndex : FulltextIndexDescription.values()) {
        createFulltextIndex(db, fulltextIndex.indexProcedure, fulltextIndex.indexName, fulltextIndex.tokenName, propKey, fulltextIndex.configMap);
    }
    dbms.shutdown();
    Path zipFile = storeDir.resolveSibling(storeDir.getFileName().toString() + ".zip");
    ZipUtils.zip(new DefaultFileSystemAbstraction(), storeDir, zipFile);
    System.out.println("Db created in " + zipFile.toAbsolutePath());
}

Example 24 with DatabaseManagementService

use of org.neo4j.dbms.api.DatabaseManagementService in project neo4j by neo4j.

the class IndexSamplingIntegrationTest method shouldSampleNotUniqueIndex.

@ParameterizedTest
@EnumSource(Entity.class)
void shouldSampleNotUniqueIndex(Entity entity) throws Throwable {
    GraphDatabaseService db;
    DatabaseManagementService managementService = null;
    long deletedNodes = 0;
    try {
        // Given
        managementService = new TestDatabaseManagementServiceBuilder(databaseLayout).build();
        db = managementService.database(DEFAULT_DATABASE_NAME);
        try (Transaction tx = db.beginTx()) {
            entity.createIndex(tx, schemaName, TOKEN, property);
            tx.commit();
        }
        try (Transaction tx = db.beginTx()) {
            tx.schema().awaitIndexOnline(schemaName, 1, TimeUnit.MINUTES);
            tx.commit();
        }
        try (Transaction tx = db.beginTx()) {
            for (int i = 0; i < entities; i++) {
                entity.createEntity(tx, TOKEN, property, names[i % names.length]);
            }
            tx.commit();
        }
        try (Transaction tx = db.beginTx()) {
            for (int i = 0; i < (entities / 10); i++) {
                entity.deleteFirstFound(tx, TOKEN, property, names[i % names.length]);
                deletedNodes++;
            }
            tx.commit();
        }
    } finally {
        if (managementService != null) {
            managementService.shutdown();
        }
    }
    // When
    triggerIndexResamplingOnNextStartup();
    // Then
    // lucene will consider also the delete nodes, native won't
    var indexSample = fetchIndexSamplingValues();
    assertThat(indexSample.uniqueValues()).as("Unique values").isEqualTo(names.length);
    assertThat(indexSample.sampleSize()).as("Sample size").isGreaterThanOrEqualTo(entities - deletedNodes).isLessThanOrEqualTo(entities);
    // but regardless, the deleted nodes should not be considered in the index size value
    assertThat(indexSample.updates()).as("Updates").isEqualTo(0);
    assertThat(indexSample.indexSize()).as("Index size").isEqualTo(entities - deletedNodes);
}

Example 25 with DatabaseManagementService

use of org.neo4j.dbms.api.DatabaseManagementService in project neo4j by neo4j.

the class DatabaseStartupTest method startCommunityDatabaseOnProvidedNonAbsoluteFile.

@Test
void startCommunityDatabaseOnProvidedNonAbsoluteFile() {
    Path directory = Path.of("target/notAbsoluteDirectory");
    EphemeralCommunityManagementServiceFactory factory = new EphemeralCommunityManagementServiceFactory();
    DatabaseManagementServiceBuilder databaseFactory = new EphemeralDatabaseManagementServiceBuilder(directory, factory);
    DatabaseManagementService managementService = databaseFactory.build();
    managementService.database(DEFAULT_DATABASE_NAME);
    managementService.shutdown();
}