Examples with GraphDatabaseAPI org.neo4j.kernel.internal.GraphDatabaseAPI used on opensource projects

Example 96 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class UniqueConstraintCompatibility method resolveInternalDependency.

private <T> T resolveInternalDependency(Class<T> type) {
    GraphDatabaseAPI api = (GraphDatabaseAPI) db;
    DependencyResolver resolver = api.getDependencyResolver();
    return resolver.resolveDependency(type);
}

Example 97 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class DatabaseManagementServiceBuilderIT method startSystemAndDefaultDatabase.

@Test
void startSystemAndDefaultDatabase() {
    DatabaseManagementService managementService = getDbmsBuilderWithLimitedTxLogSize(testDirectory.homePath()).build();
    GraphDatabaseAPI database = (GraphDatabaseAPI) managementService.database(DEFAULT_DATABASE_NAME);
    try {
        DependencyResolver dependencyResolver = database.getDependencyResolver();
        DatabaseManager<?> databaseManager = dependencyResolver.resolveDependency(DatabaseManager.class);
        assertThat(databaseManager.getDatabaseContext(DEFAULT_DATABASE_NAME)).isNotEmpty();
        assertThat(databaseManager.getDatabaseContext(NAMED_SYSTEM_DATABASE_ID)).isNotEmpty();
    } finally {
        managementService.shutdown();
    }
}

Example 98 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class DeepRelationshipTraversalCursorTestBase method createTestGraph.

@Override
public void createTestGraph(GraphDatabaseService graphDb) {
    try (Transaction tx = graphDb.beginTx()) {
        Node root = tx.createNode();
        three_root = root.getId();
        Node[] leafs = new Node[32];
        for (int i = 0; i < leafs.length; i++) {
            leafs[i] = tx.createNode();
        }
        int offset = 0, duplicate = 12;
        Node interdup = tx.createNode();
        interdup.createRelationshipTo(root, PARENT);
        offset = relate(duplicate, leafs, offset, interdup);
        for (int i = 0; i < 5; i++) {
            Node inter = tx.createNode();
            inter.createRelationshipTo(root, PARENT);
            offset = relate(3 + i, leafs, offset, inter);
        }
        interdup.createRelationshipTo(root, PARENT);
        for (int i = 0; i < 4; i++) {
            Node inter = tx.createNode();
            inter.createRelationshipTo(root, PARENT);
            offset = relate(2 + i, leafs, offset, inter);
        }
        Node inter = tx.createNode();
        inter.createRelationshipTo(root, PARENT);
        offset = relate(1, leafs, offset, inter);
        expected_total = offset + duplicate;
        expected_unique = leafs.length;
        parentRelationshipTypeId = ((GraphDatabaseAPI) graphDb).getDependencyResolver().resolveDependency(TokenHolders.class).relationshipTypeTokens().getIdByName(PARENT.name());
        tx.commit();
    }
}

Example 99 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class TestReadOnlyNeo4j method databaseNotStartInReadOnlyModeWithMissingIndex.

@Test
void databaseNotStartInReadOnlyModeWithMissingIndex() throws IOException {
    createIndex();
    deleteIndexFolder();
    AssertableLogProvider logProvider = new AssertableLogProvider();
    managementService = dbmsReadOnly(logProvider);
    final var db = (GraphDatabaseAPI) managementService.database(DEFAULT_DATABASE_NAME);
    var namedDatabaseId = db.databaseId();
    assertFalse(db.isAvailable(1L), "Did not expect db to start");
    assertThat(logProvider).assertExceptionForLogMessage("[" + namedDatabaseId.logPrefix() + "] Exception occurred while starting the database. Trying to stop already started components.").hasMessageContaining("Some indexes need to be rebuilt. This is not allowed in read only mode. Please start db in " + "writable mode to rebuild indexes. Indexes needing rebuild: ");
}

Example 100 with GraphDatabaseAPI

use of org.neo4j.kernel.internal.GraphDatabaseAPI in project neo4j by neo4j.

the class TestShutdownSequence method canRemoveFilesAndReinvokeShutdown.

@Test
void canRemoveFilesAndReinvokeShutdown() throws IOException {
    GraphDatabaseAPI databaseAPI = (GraphDatabaseAPI) managementService.database(DEFAULT_DATABASE_NAME);
    FileSystemAbstraction fileSystemAbstraction = getDatabaseFileSystem(databaseAPI);
    managementService.shutdown();
    fileSystemAbstraction.deleteRecursively(databaseAPI.databaseLayout().databaseDirectory());
    managementService.shutdown();
}