Examples with Statement org.neo4j.kernel.api.Statement used on opensource projects

Example 16 with Statement

use of org.neo4j.kernel.api.Statement in project neo4j by neo4j.

the class Neo4jTransactionalContextFactory method create.

@Deprecated
public static TransactionalContextFactory create(GraphDatabaseQueryService queryService, PropertyContainerLocker locker) {
    DependencyResolver resolver = queryService.getDependencyResolver();
    ThreadToStatementContextBridge txBridge = resolver.resolveDependency(ThreadToStatementContextBridge.class);
    Guard guard = resolver.resolveDependency(Guard.class);
    Neo4jTransactionalContext.Creator contextCreator = (Supplier<Statement> statementSupplier, InternalTransaction tx, Statement initialStatement, ExecutingQuery executingQuery) -> new Neo4jTransactionalContext(queryService, statementSupplier, guard, txBridge, locker, tx, initialStatement, executingQuery);
    return new Neo4jTransactionalContextFactory(txBridge, contextCreator);
}

Example 17 with Statement

use of org.neo4j.kernel.api.Statement in project neo4j by neo4j.

the class Neo4jTransactionalContextFactory method newContext.

@Override
public final Neo4jTransactionalContext newContext(ClientConnectionInfo clientConnection, InternalTransaction tx, String queryText, Map<String, Object> queryParameters) {
    Statement initialStatement = statementSupplier.get();
    ClientConnectionInfo connectionWithUserName = clientConnection.withUsername(tx.securityContext().subject().username());
    ExecutingQuery executingQuery = initialStatement.queryRegistration().startQueryExecution(connectionWithUserName, queryText, queryParameters);
    return contextCreator.create(statementSupplier, tx, initialStatement, executingQuery);
}

Example 18 with Statement

use of org.neo4j.kernel.api.Statement in project neo4j by neo4j.

the class Neo4jTransactionalContextTest method neverStopsExecutingQueryDuringCommitAndRestartTx.

@SuppressWarnings("ConstantConditions")
@Test
public void neverStopsExecutingQueryDuringCommitAndRestartTx() {
    // Given
    KernelTransaction initialKTX = mock(KernelTransaction.class);
    InternalTransaction initialTransaction = mock(InternalTransaction.class, new ReturnsDeepStubs());
    KernelTransaction.Type transactionType = KernelTransaction.Type.implicit;
    SecurityContext securityContext = SecurityContext.AUTH_DISABLED;
    when(initialTransaction.transactionType()).thenReturn(transactionType);
    when(initialTransaction.securityContext()).thenReturn(securityContext);
    QueryRegistryOperations initialQueryRegistry = mock(QueryRegistryOperations.class);
    ExecutingQuery executingQuery = mock(ExecutingQuery.class);
    PropertyContainerLocker locker = null;
    ThreadToStatementContextBridge txBridge = mock(ThreadToStatementContextBridge.class);
    KernelTransaction secondKTX = mock(KernelTransaction.class);
    InternalTransaction secondTransaction = mock(InternalTransaction.class);
    Statement secondStatement = mock(Statement.class);
    QueryRegistryOperations secondQueryRegistry = mock(QueryRegistryOperations.class);
    when(executingQuery.queryText()).thenReturn("X");
    when(executingQuery.queryParameters()).thenReturn(Collections.emptyMap());
    when(initialStatement.queryRegistration()).thenReturn(initialQueryRegistry);
    when(queryService.beginTransaction(transactionType, securityContext)).thenReturn(secondTransaction);
    when(txBridge.getKernelTransactionBoundToThisThread(true)).thenReturn(initialKTX, secondKTX);
    when(txBridge.get()).thenReturn(secondStatement);
    when(secondStatement.queryRegistration()).thenReturn(secondQueryRegistry);
    Neo4jTransactionalContext context = new Neo4jTransactionalContext(queryService, null, guard, txBridge, locker, initialTransaction, initialStatement, executingQuery);
    // When
    context.commitAndRestartTx();
    // Then
    Object[] mocks = { txBridge, initialTransaction, initialQueryRegistry, initialKTX, secondQueryRegistry, secondKTX };
    InOrder order = Mockito.inOrder(mocks);
    // (0) Constructor
    order.verify(initialTransaction).transactionType();
    order.verify(initialTransaction).securityContext();
    // (1) Unbind old
    order.verify(txBridge).getKernelTransactionBoundToThisThread(true);
    order.verify(txBridge).unbindTransactionFromCurrentThread();
    // (2) Register and unbind new
    order.verify(txBridge).get();
    order.verify(secondQueryRegistry).registerExecutingQuery(executingQuery);
    order.verify(txBridge).getKernelTransactionBoundToThisThread(true);
    order.verify(txBridge).unbindTransactionFromCurrentThread();
    // (3) Rebind, unregister, and close old
    order.verify(txBridge).bindTransactionToCurrentThread(initialKTX);
    order.verify(initialQueryRegistry).unregisterExecutingQuery(executingQuery);
    order.verify(initialTransaction).success();
    order.verify(initialTransaction).close();
    order.verify(txBridge).unbindTransactionFromCurrentThread();
    // (4) Rebind new
    order.verify(txBridge).bindTransactionToCurrentThread(secondKTX);
    verifyNoMoreInteractions(mocks);
}

Example 19 with Statement

use of org.neo4j.kernel.api.Statement in project neo4j by neo4j.

the class Neo4jTransactionalContextTest method rollsBackNewlyCreatedTransactionIfTerminationDetectedOnCloseDuringPeriodicCommit.

@SuppressWarnings("ConstantConditions")
@Test
public void rollsBackNewlyCreatedTransactionIfTerminationDetectedOnCloseDuringPeriodicCommit() {
    // Given
    InternalTransaction initialTransaction = mock(InternalTransaction.class, new ReturnsDeepStubs());
    KernelTransaction.Type transactionType = KernelTransaction.Type.implicit;
    SecurityContext securityContext = SecurityContext.AUTH_DISABLED;
    when(initialTransaction.transactionType()).thenReturn(transactionType);
    when(initialTransaction.securityContext()).thenReturn(securityContext);
    GraphDatabaseQueryService queryService = mock(GraphDatabaseQueryService.class);
    KernelTransaction initialKTX = mock(KernelTransaction.class);
    Statement initialStatement = mock(Statement.class);
    QueryRegistryOperations initialQueryRegistry = mock(QueryRegistryOperations.class);
    ExecutingQuery executingQuery = mock(ExecutingQuery.class);
    PropertyContainerLocker locker = new PropertyContainerLocker();
    ThreadToStatementContextBridge txBridge = mock(ThreadToStatementContextBridge.class);
    KernelTransaction secondKTX = mock(KernelTransaction.class);
    InternalTransaction secondTransaction = mock(InternalTransaction.class);
    Statement secondStatement = mock(Statement.class);
    QueryRegistryOperations secondQueryRegistry = mock(QueryRegistryOperations.class);
    when(executingQuery.queryText()).thenReturn("X");
    when(executingQuery.queryParameters()).thenReturn(Collections.emptyMap());
    Mockito.doThrow(RuntimeException.class).when(initialTransaction).close();
    when(initialStatement.queryRegistration()).thenReturn(initialQueryRegistry);
    when(queryService.beginTransaction(transactionType, securityContext)).thenReturn(secondTransaction);
    when(txBridge.getKernelTransactionBoundToThisThread(true)).thenReturn(initialKTX, secondKTX);
    when(txBridge.get()).thenReturn(secondStatement);
    when(secondStatement.queryRegistration()).thenReturn(secondQueryRegistry);
    Neo4jTransactionalContext context = new Neo4jTransactionalContext(queryService, null, guard, txBridge, locker, initialTransaction, initialStatement, executingQuery);
    // When
    try {
        context.commitAndRestartTx();
        throw new AssertionError("Expected RuntimeException to be thrown");
    } catch (RuntimeException e) {
        // Then
        Object[] mocks = { txBridge, initialTransaction, initialQueryRegistry, initialKTX, secondQueryRegistry, secondKTX, secondTransaction };
        InOrder order = Mockito.inOrder(mocks);
        // (0) Constructor
        order.verify(initialTransaction).transactionType();
        order.verify(initialTransaction).securityContext();
        // (1) Unbind old
        order.verify(txBridge).getKernelTransactionBoundToThisThread(true);
        order.verify(txBridge).unbindTransactionFromCurrentThread();
        // (2) Register and unbind new
        order.verify(txBridge).get();
        order.verify(secondQueryRegistry).registerExecutingQuery(executingQuery);
        order.verify(txBridge).getKernelTransactionBoundToThisThread(true);
        order.verify(txBridge).unbindTransactionFromCurrentThread();
        // (3) Rebind, unregister, and close old
        order.verify(txBridge).bindTransactionToCurrentThread(initialKTX);
        order.verify(initialQueryRegistry).unregisterExecutingQuery(executingQuery);
        order.verify(initialTransaction).success();
        order.verify(initialTransaction).close();
        order.verify(txBridge).bindTransactionToCurrentThread(secondKTX);
        order.verify(secondTransaction).failure();
        order.verify(secondTransaction).close();
        order.verify(txBridge).unbindTransactionFromCurrentThread();
        verifyNoMoreInteractions(mocks);
    }
}

Example 20 with Statement

use of org.neo4j.kernel.api.Statement in project neo4j by neo4j.

the class BuiltInProceduresIT method listRelationshipTypes.

@Test
public void listRelationshipTypes() throws Throwable {
    // Given
    Statement statement = statementInNewTransaction(AnonymousContext.writeToken());
    int relType = statement.tokenWriteOperations().relationshipTypeGetOrCreateForName("MyRelType");
    long startNodeId = statement.dataWriteOperations().nodeCreate();
    long endNodeId = statement.dataWriteOperations().nodeCreate();
    statement.dataWriteOperations().relationshipCreate(relType, startNodeId, endNodeId);
    commit();
    // When
    RawIterator<Object[], ProcedureException> stream = procedureCallOpsInNewTx().procedureCallRead(procedureName("db", "relationshipTypes"), new Object[0]);
    // Then
    assertThat(asList(stream), contains(equalTo(new Object[] { "MyRelType" })));
}