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

Example 71 with KernelTransaction

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

the class IndexPopulationJobTest method getPropertyKeyForName.

private int getPropertyKeyForName(String name) throws TransactionFailureException {
    try (KernelTransaction tx = kernel.newTransaction(KernelTransaction.Type.implicit, AnonymousContext.read());
        Statement statement = tx.acquireStatement()) {
        int result = statement.readOperations().propertyKeyGetForName(name);
        tx.success();
        return result;
    }
}

Example 72 with KernelTransaction

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

the class KernelIT method txReturnsCorrectIdWhenRolledBack.

@Test
public void txReturnsCorrectIdWhenRolledBack() throws Exception {
    executeDummyTxs(db, 42);
    KernelTransaction tx = kernel.newTransaction(KernelTransaction.Type.implicit, AUTH_DISABLED);
    try (Statement statement = tx.acquireStatement()) {
        statement.dataWriteOperations().nodeCreate();
    }
    tx.failure();
    assertEquals(KernelTransaction.ROLLBACK, tx.closeTransaction());
    assertFalse(tx.isOpen());
}

Example 73 with KernelTransaction

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

the class KernelIT method shouldKillTransactionsOnShutdown.

@Test
public void shouldKillTransactionsOnShutdown() throws Throwable {
    // Given
    assumeThat(kernel, instanceOf(Kernel.class));
    // Then
    try (KernelTransaction tx = kernel.newTransaction(KernelTransaction.Type.implicit, AnonymousContext.read())) {
        ((Kernel) kernel).stop();
        tx.acquireStatement().readOperations().nodeExists(0L);
        fail("Should have been terminated.");
    } catch (TransactionTerminatedException e) {
    // Success
    }
}

Example 74 with KernelTransaction

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

the class KernelIT method txReturnsCorrectIdWhenCommitted.

@Test
public void txReturnsCorrectIdWhenCommitted() throws Exception {
    executeDummyTxs(db, 42);
    KernelTransaction tx = kernel.newTransaction(KernelTransaction.Type.implicit, AUTH_DISABLED);
    try (Statement statement = tx.acquireStatement()) {
        statement.dataWriteOperations().nodeCreate();
    }
    tx.success();
    long previousCommittedTxId = lastCommittedTxId(db);
    assertEquals(previousCommittedTxId + 1, tx.closeTransaction());
    assertFalse(tx.isOpen());
}

Example 75 with KernelTransaction

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

the class KernelIT method txReturnsCorrectIdWhenFailedlAndMarkedForTermination.

@Test
public void txReturnsCorrectIdWhenFailedlAndMarkedForTermination() throws Exception {
    executeDummyTxs(db, 42);
    KernelTransaction tx = kernel.newTransaction(KernelTransaction.Type.implicit, AUTH_DISABLED);
    try (Statement statement = tx.acquireStatement()) {
        statement.dataWriteOperations().nodeCreate();
    }
    tx.failure();
    tx.markForTermination(Status.Transaction.Terminated);
    assertEquals(KernelTransaction.ROLLBACK, tx.closeTransaction());
    assertFalse(tx.isOpen());
}