Examples with SchemaEvolutionIncompatibility org.zalando.nakadi.validation.schema.SchemaEvolutionIncompatibility used on opensource projects

Example 1 with SchemaEvolutionIncompatibility

use of org.zalando.nakadi.validation.schema.SchemaEvolutionIncompatibility in project nakadi by zalando.

the class SchemaEvolutionService method checkEvolutionIncompatibilities.

private void checkEvolutionIncompatibilities(final EventType from, final EventTypeBase to) throws InvalidEventTypeException {
    final List<SchemaEvolutionIncompatibility> incompatibilities = schemaEvolutionConstraints.stream().map(c -> c.validate(from, to)).filter(Optional::isPresent).map(Optional::get).collect(Collectors.toList());
    if (incompatibilities.isEmpty()) {
        return;
    }
    // There is a special case of incompatibility - change of category from NONE to BUSINESS, with adding metadata.
    // Let's check that it is the case.
    // This solution is not scalable, but without huge refactoring it is the simplest one.
    final boolean categoryChanged = incompatibilities.stream().anyMatch(v -> v instanceof SchemaEvolutionIncompatibility.CategoryIncompatibility);
    if (categoryChanged) {
        final boolean metadataChanged = incompatibilities.stream().anyMatch(v -> v instanceof SchemaEvolutionIncompatibility.MetadataIncompatibility);
        final int expectedIncompatibilities = 1 + (metadataChanged ? 1 : 0);
        if (incompatibilities.size() == expectedIncompatibilities) {
            // Now let's check, that it is really change from NONE to BUSINESS and some other conditions.
            if (from.getCategory() == EventCategory.UNDEFINED && to.getCategory() == EventCategory.BUSINESS) {
                if (to.getEnrichmentStrategies().contains(EnrichmentStrategyDescriptor.METADATA_ENRICHMENT) && to.getCompatibilityMode() != CompatibilityMode.COMPATIBLE) {
                    // Finally, we are allowing this step.
                    return;
                }
            }
        }
        throw new InvalidEventTypeException("Category change is allowed only from 'undefined' to 'business'. " + "'enrichment_strategies' should be properly set as well");
    }
    throw new InvalidEventTypeException(incompatibilities.stream().map(SchemaEvolutionIncompatibility::getReason).collect(Collectors.joining("; ")));
}

Example 2 with SchemaEvolutionIncompatibility

use of org.zalando.nakadi.validation.schema.SchemaEvolutionIncompatibility in project nakadi by zalando.

the class SchemaEvolutionServiceTest method checkEvolutionConstraints.

@Test(expected = InvalidEventTypeException.class)
public void checkEvolutionConstraints() throws Exception {
    final EventTypeTestBuilder builder = EventTypeTestBuilder.builder();
    final EventType oldEventType = builder.build();
    final EventType newEventType = builder.build();
    final Optional<SchemaEvolutionIncompatibility> incompatibility = Optional.of(new SchemaEvolutionIncompatibility("incompatible"));
    Mockito.doReturn(incompatibility).when(evolutionConstraint).validate(oldEventType, newEventType);
    service.evolve(oldEventType, newEventType);
}