org.springframework.cloud.stream.binder.PartitionKeyExtractorStrategy Java Examples

The following examples show how to use org.springframework.cloud.stream.binder.PartitionKeyExtractorStrategy. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: DynamicDestinationFunctionTests.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
@Bean
public PartitionKeyExtractorStrategy keyExtractor() {
	return new PartitionKeyExtractorStrategy() {

		@Override
		public Object extractKey(Message<?> message) {
			return 0;
		}
	};
}
Example #2
Source File: CustomPartitionedProducerTest.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
@Test
public void testCustomPartitionedProducer() {
	ApplicationContext context = SpringApplication.run(
			CustomPartitionedProducerTest.TestSource.class,
			"--spring.jmx.enabled=false", "--spring.main.web-application-type=none",
			"--spring.cloud.stream.bindings.output.producer.partitionKeyExtractorClass="
					+ "org.springframework.cloud.stream.partitioning.CustomPartitionKeyExtractorClass",
			"--spring.cloud.stream.bindings.output.producer.partitionSelectorClass="
					+ "org.springframework.cloud.stream.partitioning.CustomPartitionSelectorClass",
			"--spring.cloud.stream.default-binder=mock");
	Source testSource = context.getBean(Source.class);
	DirectChannel messageChannel = (DirectChannel) testSource.output();
	for (ChannelInterceptor channelInterceptor : messageChannel
			.getInterceptors()) {
		if (channelInterceptor instanceof MessageConverterConfigurer.PartitioningInterceptor) {
			Field partitionHandlerField = ReflectionUtils.findField(
					MessageConverterConfigurer.PartitioningInterceptor.class,
					"partitionHandler");
			ReflectionUtils.makeAccessible(partitionHandlerField);
			PartitionHandler partitionHandler = (PartitionHandler) ReflectionUtils
					.getField(partitionHandlerField, channelInterceptor);
			Field partitonKeyExtractorField = ReflectionUtils.findField(
					PartitionHandler.class, "partitionKeyExtractorStrategy");
			ReflectionUtils.makeAccessible(partitonKeyExtractorField);
			Field partitonSelectorField = ReflectionUtils
					.findField(PartitionHandler.class, "partitionSelectorStrategy");
			ReflectionUtils.makeAccessible(partitonSelectorField);
			assertThat(((PartitionKeyExtractorStrategy) ReflectionUtils
					.getField(partitonKeyExtractorField, partitionHandler)).getClass()
							.equals(CustomPartitionKeyExtractorClass.class)).isTrue();
			assertThat(((PartitionSelectorStrategy) ReflectionUtils
					.getField(partitonSelectorField, partitionHandler)).getClass()
							.equals(CustomPartitionSelectorClass.class)).isTrue();
		}
	}
}
Example #3
Source File: CustomPartitionedProducerTest.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
@Test
public void testCustomPartitionedProducerByName() {
	ApplicationContext context = SpringApplication.run(
			CustomPartitionedProducerTest.TestSource.class,
			"--spring.jmx.enabled=false", "--spring.main.web-application-type=none",
			"--spring.cloud.stream.bindings.output.producer.partitionKeyExtractorName=customPartitionKeyExtractor",
			"--spring.cloud.stream.bindings.output.producer.partitionSelectorName=customPartitionSelector",
			"--spring.cloud.stream.default-binder=mock");
	Source testSource = context.getBean(Source.class);
	DirectChannel messageChannel = (DirectChannel) testSource.output();
	for (ChannelInterceptor channelInterceptor : messageChannel
			.getInterceptors()) {
		if (channelInterceptor instanceof MessageConverterConfigurer.PartitioningInterceptor) {
			Field partitionHandlerField = ReflectionUtils.findField(
					MessageConverterConfigurer.PartitioningInterceptor.class,
					"partitionHandler");
			ReflectionUtils.makeAccessible(partitionHandlerField);
			PartitionHandler partitionHandler = (PartitionHandler) ReflectionUtils
					.getField(partitionHandlerField, channelInterceptor);
			Field partitonKeyExtractorField = ReflectionUtils.findField(
					PartitionHandler.class, "partitionKeyExtractorStrategy");
			ReflectionUtils.makeAccessible(partitonKeyExtractorField);
			Field partitonSelectorField = ReflectionUtils
					.findField(PartitionHandler.class, "partitionSelectorStrategy");
			ReflectionUtils.makeAccessible(partitonSelectorField);
			assertThat(((PartitionKeyExtractorStrategy) ReflectionUtils
					.getField(partitonKeyExtractorField, partitionHandler)).getClass()
							.equals(CustomPartitionKeyExtractorClass.class)).isTrue();
			assertThat(((PartitionSelectorStrategy) ReflectionUtils
					.getField(partitonSelectorField, partitionHandler)).getClass()
							.equals(CustomPartitionSelectorClass.class)).isTrue();
		}
	}
}
Example #4
Source File: CustomPartitionedProducerTest.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
@Test
public void testCustomPartitionedProducerAsSingletons() {
	ApplicationContext context = SpringApplication.run(
			CustomPartitionedProducerTest.TestSource.class,
			"--spring.jmx.enabled=false", "--spring.main.web-application-type=none",
			"--spring.cloud.stream.default-binder=mock");
	Source testSource = context.getBean(Source.class);
	DirectChannel messageChannel = (DirectChannel) testSource.output();
	for (ChannelInterceptor channelInterceptor : messageChannel
			.getInterceptors()) {
		if (channelInterceptor instanceof MessageConverterConfigurer.PartitioningInterceptor) {
			Field partitionHandlerField = ReflectionUtils.findField(
					MessageConverterConfigurer.PartitioningInterceptor.class,
					"partitionHandler");
			ReflectionUtils.makeAccessible(partitionHandlerField);
			PartitionHandler partitionHandler = (PartitionHandler) ReflectionUtils
					.getField(partitionHandlerField, channelInterceptor);
			Field partitonKeyExtractorField = ReflectionUtils.findField(
					PartitionHandler.class, "partitionKeyExtractorStrategy");
			ReflectionUtils.makeAccessible(partitonKeyExtractorField);
			Field partitonSelectorField = ReflectionUtils
					.findField(PartitionHandler.class, "partitionSelectorStrategy");
			ReflectionUtils.makeAccessible(partitonSelectorField);
			assertThat(((PartitionKeyExtractorStrategy) ReflectionUtils
					.getField(partitonKeyExtractorField, partitionHandler)).getClass()
							.equals(CustomPartitionKeyExtractorClass.class)).isTrue();
			assertThat(((PartitionSelectorStrategy) ReflectionUtils
					.getField(partitonSelectorField, partitionHandler)).getClass()
							.equals(CustomPartitionSelectorClass.class)).isTrue();
		}
	}
}
Example #5
Source File: CustomPartitionedProducerTest.java    From spring-cloud-stream with Apache License 2.0 5 votes vote down vote up 
public void testCustomPartitionedProducerMultipleInstances() {
	ApplicationContext context = SpringApplication.run(
			CustomPartitionedProducerTest.TestSourceMultipleStrategies.class,
			"--spring.jmx.enabled=false", "--spring.main.web-application-type=none",
			"--spring.cloud.stream.bindings.output.producer.partitionKeyExtractorName=customPartitionKeyExtractorOne",
			"--spring.cloud.stream.bindings.output.producer.partitionSelectorName=customPartitionSelectorTwo",
			"--spring.cloud.stream.default-binder=mock");
	Source testSource = context.getBean(Source.class);
	DirectChannel messageChannel = (DirectChannel) testSource.output();
	for (ChannelInterceptor channelInterceptor : messageChannel
			.getInterceptors()) {
		if (channelInterceptor instanceof MessageConverterConfigurer.PartitioningInterceptor) {
			Field partitionHandlerField = ReflectionUtils.findField(
					MessageConverterConfigurer.PartitioningInterceptor.class,
					"partitionHandler");
			ReflectionUtils.makeAccessible(partitionHandlerField);
			PartitionHandler partitionHandler = (PartitionHandler) ReflectionUtils
					.getField(partitionHandlerField, channelInterceptor);
			Field partitonKeyExtractorField = ReflectionUtils.findField(
					PartitionHandler.class, "partitionKeyExtractorStrategy");
			ReflectionUtils.makeAccessible(partitonKeyExtractorField);
			Field partitonSelectorField = ReflectionUtils
					.findField(PartitionHandler.class, "partitionSelectorStrategy");
			ReflectionUtils.makeAccessible(partitonSelectorField);
			assertThat(((PartitionKeyExtractorStrategy) ReflectionUtils
					.getField(partitonKeyExtractorField, partitionHandler)).getClass()
							.equals(CustomPartitionKeyExtractorClass.class)).isTrue();
			assertThat(((PartitionSelectorStrategy) ReflectionUtils
					.getField(partitonSelectorField, partitionHandler)).getClass()
							.equals(CustomPartitionSelectorClass.class)).isTrue();
		}
	}
}