Examples with EventStream uk.gov.justice.services.eventsourcing.source.core.EventStream used on opensource projects

Example 16 with EventStream

use of uk.gov.justice.services.eventsourcing.source.core.EventStream in project microservice_framework by CJSCommonPlatform.

the class DefaultAggregateServiceIT method shouldCreateAggregateFromSingletonStream.

@Test
public void shouldCreateAggregateFromSingletonStream() throws EventStreamException {
    final EventStream eventStream = eventSource.getStreamById(STREAM_ID);
    aggregateService.register(new EventFoundEvent(EventA.class, "context.eventA"));
    aggregateService.get(eventStream, TestAggregate.class);
    eventStream.append(Stream.of(envelopeFrom("context.eventA")));
    final TestAggregate aggregate = aggregateService.get(eventSource.getStreamById(STREAM_ID), TestAggregate.class);
    assertThat(aggregate, notNullValue());
    assertThat(aggregate.recordedEvents(), hasSize(1));
    assertThat(aggregate.recordedEvents().get(0).getClass(), equalTo(EventA.class));
    assertThat(rowCount(SQL_EVENT_LOG_COUNT_BY_STREAM_ID, STREAM_ID), is(1));
    assertThat(rowCount(SQL_EVENT_STREAM_COUNT_BY_STREAM_ID, STREAM_ID), is(1));
}

Example 17 with EventStream

use of uk.gov.justice.services.eventsourcing.source.core.EventStream in project microservice_framework by CJSCommonPlatform.

the class DefaultAggregateServiceIT method shouldCreateAggregateFromStreamOfTwo.

@Test
public void shouldCreateAggregateFromStreamOfTwo() throws EventStreamException {
    final EventStream eventStream = eventSource.getStreamById(STREAM_ID);
    aggregateService.register(new EventFoundEvent(EventA.class, "context.eventA"));
    aggregateService.register(new EventFoundEvent(EventB.class, "context.eventB"));
    aggregateService.get(eventStream, TestAggregate.class);
    eventStream.append(Stream.of(envelopeFrom("context.eventA"), envelopeFrom("context.eventB")));
    final TestAggregate aggregate = aggregateService.get(eventSource.getStreamById(STREAM_ID), TestAggregate.class);
    assertThat(aggregate, notNullValue());
    assertThat(aggregate.recordedEvents(), hasSize(2));
    assertThat(aggregate.recordedEvents().get(0).getClass(), equalTo(EventA.class));
    assertThat(aggregate.recordedEvents().get(1).getClass(), equalTo(EventB.class));
    assertThat(rowCount(SQL_EVENT_LOG_COUNT_BY_STREAM_ID, STREAM_ID), is(2));
    assertThat(rowCount(SQL_EVENT_STREAM_COUNT_BY_STREAM_ID, STREAM_ID), is(1));
}

Example 18 with EventStream

use of uk.gov.justice.services.eventsourcing.source.core.EventStream in project microservice_framework by CJSCommonPlatform.

the class MakeCakeCommandHandler method makeCake.

@Handles("example.command.make-cake")
public void makeCake(final JsonEnvelope command) throws EventStreamException {
    LOGGER.info("=============> Inside make-cake Command Handler");
    final UUID recipeId = getUUID(command.payloadAsJsonObject(), FIELD_RECIPE_ID).get();
    final UUID cakeId = getUUID(command.payloadAsJsonObject(), FIELD_CAKE_ID).get();
    final EventStream eventStream = eventSource.getStreamById(recipeId);
    final Recipe recipe = aggregateService.get(eventStream, Recipe.class);
    eventStream.append(recipe.makeCake(cakeId).map(toEnvelopeWithMetadataFrom(command)), Tolerance.CONSECUTIVE);
}

Example 19 with EventStream

use of uk.gov.justice.services.eventsourcing.source.core.EventStream in project microservice_framework by CJSCommonPlatform.

the class RecipeCommandHandler method uploadPhotograph.

@Handles("example.command.upload-photograph")
public void uploadPhotograph(final JsonEnvelope command) throws EventStreamException {
    LOGGER.trace("=============> Inside upload-photograph Command Handler. RecipeId: " + command.payloadAsJsonObject().getString(FIELD_RECIPE_ID));
    final UUID recipeId = getUUID(command.payloadAsJsonObject(), FIELD_RECIPE_ID).get();
    final UUID photoId = getUUID(command.payloadAsJsonObject(), FIELD_PHOTO_ID).get();
    final EventStream eventStream = eventSource.getStreamById(recipeId);
    final Recipe recipe = aggregateService.get(eventStream, Recipe.class);
    eventStream.append(recipe.addPhotograph(photoId).map(toEnvelopeWithMetadataFrom(command)), Tolerance.NON_CONSECUTIVE);
}

Example 20 with EventStream

use of uk.gov.justice.services.eventsourcing.source.core.EventStream in project microservice_framework by CJSCommonPlatform.

the class RecipeCommandHandler method renameRecipe.

@Handles("example.command.rename-recipe")
public void renameRecipe(final Envelope<RenameRecipe> command) throws EventStreamException {
    LOGGER.trace("=============> Inside rename-recipe Command Handler");
    final UUID recipeId = UUID.fromString(command.payload().getRecipeId());
    final String name = command.payload().getName();
    final EventStream eventStream = eventSource.getStreamById(recipeId);
    final Recipe recipe = aggregateService.get(eventStream, Recipe.class);
    eventStream.append(recipe.renameRecipe(name).map(toEnvelopeWithMetadataFrom(command)), Tolerance.NON_CONSECUTIVE);
}