Examples with Get com.scalar.db.api.Get used on opensource projects

Example 26 with Get

use of com.scalar.db.api.Get in project scalardb by scalar-labs.

the class ConsensusCommitIntegrationTestBase method get_GetGivenForDeletedWhenCoordinatorStateCommitted_ShouldRollforward.

@Test
public void get_GetGivenForDeletedWhenCoordinatorStateCommitted_ShouldRollforward() throws ExecutionException, CoordinatorException, CrudException {
    Get get = prepareGet(0, 0, namespace1, TABLE_1);
    selection_SelectionGivenForDeletedWhenCoordinatorStateCommitted_ShouldRollforward(get);
}

Example 27 with Get

use of com.scalar.db.api.Get in project scalardb by scalar-labs.

the class ConsensusCommitIntegrationTestBase method get_GetGivenForDeletedWhenCoordinatorStateAborted_ShouldRollback.

@Test
public void get_GetGivenForDeletedWhenCoordinatorStateAborted_ShouldRollback() throws ExecutionException, CoordinatorException, CrudException {
    Get get = prepareGet(0, 0, namespace1, TABLE_1);
    selection_SelectionGivenForDeletedWhenCoordinatorStateAborted_ShouldRollback(get);
}

Example 28 with Get

use of com.scalar.db.api.Get in project scalardb by scalar-labs.

the class ConsensusCommitIntegrationTestBase method commit_WriteSkewOnExistingRecordsWithSerializableWithExtraRead_OneShouldCommitTheOtherShouldThrowCommitConflictException.

private void commit_WriteSkewOnExistingRecordsWithSerializableWithExtraRead_OneShouldCommitTheOtherShouldThrowCommitConflictException(String namespace1, String table1, String namespace2, String table2) throws CommitException, UnknownTransactionStatusException, CrudException {
    // Arrange
    List<Put> puts = Arrays.asList(preparePut(0, 0, namespace1, table1).withValue(BALANCE, 1), preparePut(0, 1, namespace2, table2).withValue(BALANCE, 1));
    ConsensusCommit transaction = manager.start(Isolation.SERIALIZABLE, SerializableStrategy.EXTRA_READ);
    transaction.put(puts);
    transaction.commit();
    // Act
    ConsensusCommit transaction1 = manager.start(Isolation.SERIALIZABLE, SerializableStrategy.EXTRA_READ);
    ConsensusCommit transaction2 = manager.start(Isolation.SERIALIZABLE, SerializableStrategy.EXTRA_READ);
    Get get1_1 = prepareGet(0, 1, namespace2, table2);
    Optional<Result> result1 = transaction1.get(get1_1);
    assertThat(result1).isPresent();
    int current1 = getBalance(result1.get());
    Get get1_2 = prepareGet(0, 0, namespace1, table1);
    transaction1.get(get1_2);
    Get get2_1 = prepareGet(0, 0, namespace1, table1);
    Optional<Result> result2 = transaction2.get(get2_1);
    assertThat(result2).isPresent();
    int current2 = getBalance(result2.get());
    Get get2_2 = prepareGet(0, 1, namespace2, table2);
    transaction2.get(get2_2);
    Put put1 = preparePut(0, 0, namespace1, table1).withValue(BALANCE, current1 + 1);
    transaction1.put(put1);
    Put put2 = preparePut(0, 1, namespace2, table2).withValue(BALANCE, current2 + 1);
    transaction2.put(put2);
    transaction1.commit();
    Throwable thrown = catchThrowable(transaction2::commit);
    // Assert
    transaction = manager.start(Isolation.SERIALIZABLE, SerializableStrategy.EXTRA_READ);
    result1 = transaction.get(get1_1);
    assertThat(result1).isPresent();
    assertThat(getBalance(result1.get())).isEqualTo(1);
    result2 = transaction.get(get2_1);
    assertThat(result2).isPresent();
    assertThat(getBalance(result2.get())).isEqualTo(2);
    assertThat(thrown).isInstanceOf(CommitConflictException.class);
}

Example 29 with Get

use of com.scalar.db.api.Get in project scalardb by scalar-labs.

the class ConsensusCommitIntegrationTestBase method get_GetGivenForPreparedWhenCoordinatorStateCommitted_ShouldRollforward.

@Test
public void get_GetGivenForPreparedWhenCoordinatorStateCommitted_ShouldRollforward() throws ExecutionException, CoordinatorException, CrudException {
    Get get = prepareGet(0, 0, namespace1, TABLE_1);
    selection_SelectionGivenForPreparedWhenCoordinatorStateCommitted_ShouldRollforward(get);
}

Example 30 with Get

use of com.scalar.db.api.Get in project scalardb by scalar-labs.

the class ConsensusCommitIntegrationTestBase method prepareGet.

private Get prepareGet(int id, int type, String namespace, String table) {
    Key partitionKey = new Key(ACCOUNT_ID, id);
    Key clusteringKey = new Key(ACCOUNT_TYPE, type);
    return new Get(partitionKey, clusteringKey).forNamespace(namespace).forTable(table).withConsistency(Consistency.LINEARIZABLE);
}