Examples with StorageEngine org.neo4j.storageengine.api.StorageEngine used on opensource projects

Example 11 with StorageEngine

use of org.neo4j.storageengine.api.StorageEngine in project neo4j by neo4j.

the class KernelTransactionFactory method kernelTransactionWithInternals.

static Instances kernelTransactionWithInternals(SecurityContext securityContext) {
    TransactionHeaderInformation headerInformation = new TransactionHeaderInformation(-1, -1, new byte[0]);
    TransactionHeaderInformationFactory headerInformationFactory = mock(TransactionHeaderInformationFactory.class);
    when(headerInformationFactory.create()).thenReturn(headerInformation);
    StorageEngine storageEngine = mock(StorageEngine.class);
    StoreReadLayer storeReadLayer = mock(StoreReadLayer.class);
    StorageStatement storageStatement = mock(StorageStatement.class);
    when(storeReadLayer.newStatement()).thenReturn(storageStatement);
    when(storageEngine.storeReadLayer()).thenReturn(storeReadLayer);
    KernelTransactionImplementation transaction = new KernelTransactionImplementation(mock(StatementOperationContainer.class), mock(SchemaWriteGuard.class), new TransactionHooks(), mock(ConstraintIndexCreator.class), new Procedures(), headerInformationFactory, mock(TransactionRepresentationCommitProcess.class), mock(TransactionMonitor.class), mock(Supplier.class), mock(Pool.class), Clocks.systemClock(), NULL, LockTracer.NONE, PageCursorTracerSupplier.NULL, storageEngine, new CanWrite());
    StatementLocks statementLocks = new SimpleStatementLocks(new NoOpClient());
    transaction.initialize(0, 0, statementLocks, KernelTransaction.Type.implicit, securityContext, 0L);
    return new Instances(transaction, storageEngine, storeReadLayer, storageStatement);
}

Example 12 with StorageEngine

use of org.neo4j.storageengine.api.StorageEngine in project neo4j by neo4j.

the class KernelTransactionsTest method newKernelTransactions.

private static KernelTransactions newKernelTransactions(boolean testKernelTransactions, TransactionCommitProcess commitProcess, StorageStatement firstStoreStatements, StorageStatement... otherStorageStatements) throws Throwable {
    Locks locks = mock(Locks.class);
    when(locks.newClient()).thenReturn(mock(Locks.Client.class));
    StoreReadLayer readLayer = mock(StoreReadLayer.class);
    when(readLayer.newStatement()).thenReturn(firstStoreStatements, otherStorageStatements);
    StorageEngine storageEngine = mock(StorageEngine.class);
    when(storageEngine.storeReadLayer()).thenReturn(readLayer);
    doAnswer(invocation -> {
        invocation.getArgumentAt(0, Collection.class).add(mock(StorageCommand.class));
        return null;
    }).when(storageEngine).createCommands(anyCollection(), any(ReadableTransactionState.class), any(StorageStatement.class), any(ResourceLocker.class), anyLong());
    return newKernelTransactions(locks, storageEngine, commitProcess, testKernelTransactions);
}

Example 13 with StorageEngine

use of org.neo4j.storageengine.api.StorageEngine in project neo4j by neo4j.

the class TransactionRepresentationCommitProcessTest method shouldSuccessfullyCommitTransactionWithNoCommands.

@Test
public void shouldSuccessfullyCommitTransactionWithNoCommands() throws Exception {
    // GIVEN
    long txId = 11;
    long commitTimestamp = System.currentTimeMillis();
    TransactionIdStore transactionIdStore = mock(TransactionIdStore.class);
    TransactionAppender appender = new TestableTransactionAppender(transactionIdStore);
    when(transactionIdStore.nextCommittingTransactionId()).thenReturn(txId);
    StorageEngine storageEngine = mock(StorageEngine.class);
    TransactionCommitProcess commitProcess = new TransactionRepresentationCommitProcess(appender, storageEngine);
    PhysicalTransactionRepresentation noCommandTx = new PhysicalTransactionRepresentation(Collections.emptyList());
    noCommandTx.setHeader(new byte[0], -1, -1, -1, -1, -1, -1);
    // WHEN
    commitProcess.commit(new TransactionToApply(noCommandTx), commitEvent, INTERNAL);
    verify(transactionIdStore).transactionCommitted(txId, FakeCommitment.CHECKSUM, FakeCommitment.TIMESTAMP);
}

Example 14 with StorageEngine

use of org.neo4j.storageengine.api.StorageEngine in project neo4j by neo4j.

the class TransactionRepresentationCommitProcessTest method shouldCloseTransactionRegardlessOfWhetherOrNotItAppliedCorrectly.

@Test
public void shouldCloseTransactionRegardlessOfWhetherOrNotItAppliedCorrectly() throws Exception {
    // GIVEN
    TransactionIdStore transactionIdStore = mock(TransactionIdStore.class);
    TransactionAppender appender = new TestableTransactionAppender(transactionIdStore);
    long txId = 11;
    when(transactionIdStore.nextCommittingTransactionId()).thenReturn(txId);
    IOException rootCause = new IOException("Mock exception");
    StorageEngine storageEngine = mock(StorageEngine.class);
    doThrow(new IOException(rootCause)).when(storageEngine).apply(any(TransactionToApply.class), any(TransactionApplicationMode.class));
    TransactionCommitProcess commitProcess = new TransactionRepresentationCommitProcess(appender, storageEngine);
    TransactionToApply transaction = mockedTransaction();
    // WHEN
    try {
        commitProcess.commit(transaction, commitEvent, INTERNAL);
    } catch (TransactionFailureException e) {
        assertThat(e.getMessage(), containsString("Could not apply the transaction to the store"));
        assertTrue(contains(e, rootCause.getMessage(), rootCause.getClass()));
    }
    // THEN
    // we can't verify transactionCommitted since that's part of the TransactionAppender, which we have mocked
    verify(transactionIdStore, times(1)).transactionClosed(eq(txId), anyLong(), anyLong());
}