Examples with Command io.spine.core.Command used on opensource projects

Example 56 with Command

use of io.spine.core.Command in project core-java by SpineEventEngine.

the class AggregateRepositoryViewsShould method postCommand.

/**
 * Creates a command and posts it to {@code CommandBus}
 * for being processed by the repository.
 */
private void postCommand(String cmd) {
    final Command command = requestFactory.command().create(RepoOfAggregateWithLifecycle.createCommandMessage(id, cmd));
    boundedContext.getCommandBus().post(command, StreamObservers.<Ack>noOpObserver());
}

Example 57 with Command

use of io.spine.core.Command in project core-java by SpineEventEngine.

the class AggregateShould method traverse_the_history_iterating_through_newest_events_first.

@Test
public void traverse_the_history_iterating_through_newest_events_first() {
    final TenantId tenantId = newTenantId();
    final Command createCommand = command(createProject, tenantId);
    final Command startCommand = command(startProject, tenantId);
    final Command addTaskCommand = command(addTask, tenantId);
    final Command addTaskCommand2 = command(addTask, tenantId);
    final CommandBus commandBus = boundedContext.getCommandBus();
    final StreamObserver<Ack> noOpObserver = noOpObserver();
    commandBus.post(createCommand, noOpObserver);
    commandBus.post(addTaskCommand, noOpObserver);
    commandBus.post(newArrayList(addTaskCommand2, startCommand), noOpObserver);
    final TestAggregate aggregate = repository.loadAggregate(tenantId, ID);
    final Iterator<Event> history = aggregate.historyBackward();
    assertEquals(startCommand.getId(), getRootCommandId(history.next()));
    assertEquals(addTaskCommand2.getId(), getRootCommandId(history.next()));
    assertEquals(addTaskCommand.getId(), getRootCommandId(history.next()));
    assertEquals(createCommand.getId(), getRootCommandId(history.next()));
    assertFalse(history.hasNext());
}

Example 58 with Command

use of io.spine.core.Command in project core-java by SpineEventEngine.

the class AggregateShould method create_single_event_for_a_pair_of_events_with_empty_for_a_command_dispatch.

/**
 * Ensures that a {@linkplain io.spine.server.tuple.Pair pair} with an empty second
 * optional value returned from a command handler stores a single event.
 *
 * <p>The command handler that should return a pair is
 * {@link TaskAggregate#handle(AggAssignTask)
 * TaskAggregate#handle(AggAssignTask)}.
 */
@Test
public void create_single_event_for_a_pair_of_events_with_empty_for_a_command_dispatch() {
    final BoundedContext boundedContext = newTaskBoundedContext();
    final TenantId tenantId = newTenantId();
    final Command command = command(createTask(), tenantId);
    final MemoizingObserver<Ack> observer = memoizingObserver();
    boundedContext.getCommandBus().post(command, observer);
    assertNull(observer.getError());
    final List<Ack> responses = observer.responses();
    assertSize(1, responses);
    final Ack response = responses.get(0);
    final io.spine.core.Status status = response.getStatus();
    final Error emptyError = Error.getDefaultInstance();
    assertEquals(emptyError, status.getError());
    final Rejection emptyRejection = Rejection.getDefaultInstance();
    assertEquals(emptyRejection, status.getRejection());
    final List<Event> events = readAllEvents(boundedContext, tenantId);
    assertSize(1, events);
}

Example 59 with Command

use of io.spine.core.Command in project core-java by SpineEventEngine.

the class AggregateShould method traverse_the_history_up_to_the_latest_snapshot.

@Test
public void traverse_the_history_up_to_the_latest_snapshot() {
    repository.setSnapshotTrigger(3);
    final TenantId tenantId = newTenantId();
    final Command createCommand = command(createProject, tenantId);
    final Command startCommand = command(startProject, tenantId);
    final Command addTaskCommand = command(addTask, tenantId);
    final Command addTaskCommand2 = command(addTask, tenantId);
    final CommandBus commandBus = boundedContext.getCommandBus();
    final StreamObserver<Ack> noOpObserver = noOpObserver();
    commandBus.post(createCommand, noOpObserver);
    commandBus.post(startCommand, noOpObserver);
    commandBus.post(newArrayList(addTaskCommand, addTaskCommand2), noOpObserver);
    final TestAggregate aggregate = repository.loadAggregate(tenantId, ID);
    final Iterator<Event> history = aggregate.historyBackward();
    assertEquals(addTaskCommand2.getId(), getRootCommandId(history.next()));
    assertFalse(history.hasNext());
}

Example 60 with Command

use of io.spine.core.Command in project core-java by SpineEventEngine.

the class IdempotencyGuardShould method not_throw_if_the_command_was_not_handled.

@Test
public void not_throw_if_the_command_was_not_handled() {
    final TenantId tenantId = newTenantId();
    final ProjectId projectId = newProjectId();
    final Command createCommand = command(createProject(projectId), tenantId);
    final IgTestAggregate aggregate = new IgTestAggregate(projectId);
    final IdempotencyGuard guard = new IdempotencyGuard(aggregate);
    guard.check(of(createCommand));
}