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Add Avro serialization and schema management support

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- Add schema server implementation
- Add schema client abstraction
- Add schema client implementation for own schema registry server
- Add schema client supporting Confluent schema registry
- Add Avro-based message converter supporting a static schema resource
- Add Avro-based message converter with schema evolution support, via
  schema registry client.
- On serialization, the converter register writer schemas with the schema
  registry server and augment the content type of outbound message with
  schema information.
  On deserialization, the reading converter will fetch the schema from the server
  if not available locally.

Use class information if schema is not specified

In the case of SpecificRecord and Reflective readers/writers, the class information can be used instead

Make subtype prefix configurable and shorten the subject

- Subtype prefix is now configurable and subject is the lowercase schema name
- Enhance/correct javadoc

Refine AbstractAvroMessageConverter

- distinguish between writer and reader schema when reader is created

Add schema registry and schema registry client docs
This commit is contained in:
Vinicius Carvalho
2016-07-28 18:33:53 -04:00
committed by Marius Bogoevici
parent 8dd22ebca0
commit 4422b21438
50 changed files with 3261 additions and 32 deletions
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21
spring-cloud-stream-integration-tests/src/test/java/org/springframework/cloud/stream/config/MessageChannelConfigurerTests.java
View File

@@ -16,7 +16,6 @@
package org.springframework.cloud.stream.config;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
@@ -38,7 +37,6 @@ import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHandler;
import org.springframework.messaging.MessagingException;
import org.springframework.messaging.converter.CompositeMessageConverter;
import org.springframework.messaging.converter.MessageConverter;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.tuple.Tuple;
@@ -83,16 +81,15 @@ public class MessageChannelConfigurerTests {
@Test
public void testObjectMapperConfig() throws Exception {
CompositeMessageConverter compositeMessageConverter = messageConverterFactory.getMessageConverterForType(MimeTypeUtils.APPLICATION_JSON);
List<MessageConverter> converters = compositeMessageConverter.getConverters();
for (MessageConverter converter : converters) {
DirectFieldAccessor converterAccessor = new DirectFieldAccessor(converter);
ObjectMapper objectMapper = (ObjectMapper) converterAccessor.getPropertyValue("objectMapper");
// assert that the ObjectMapper used by the converters is compliant with the Boot configuration
assertThat(!objectMapper.getSerializationConfig().isEnabled(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS)).withFailMessage("SerializationFeature 'WRITE_DATES_AS_TIMESTAMPS' should be disabled");
// assert that the globally set bean is used by the converters
assertThat(objectMapper).isSameAs(this.objectMapper);
}
MessageConverter converter = messageConverterFactory.getMessageConverterForType(MimeTypeUtils
.APPLICATION_JSON);
DirectFieldAccessor converterAccessor = new DirectFieldAccessor(converter);
ObjectMapper objectMapper = (ObjectMapper) converterAccessor.getPropertyValue("objectMapper");
// assert that the ObjectMapper used by the converters is compliant with the Boot configuration
assertThat(!objectMapper.getSerializationConfig().isEnabled(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS))
.withFailMessage("SerializationFeature 'WRITE_DATES_AS_TIMESTAMPS' should be disabled");
// assert that the globally set bean is used by the converters
assertThat(objectMapper).isSameAs(this.objectMapper);
}
@EnableBinding(Sink.class)