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| [[migration-5.2-5.3]] | ||
| === Changes between 5.2 and 5.3 | ||
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| [[x5.3-new-components]] | ||
| === New Components | ||
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| [[x5.3-integration-pattern]] | ||
| ==== Integration Pattern | ||
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| The `IntegrationPattern` abstraction has been introduced to indicate which enterprise integration pattern (an `IntegrationPatternType`) and category a Spring Integration component belongs to. | ||
| See its JavaDocs and <<./graph.adoc#integration-graph,Integration Graph>> for more information about this abstraction and its use-cases. | ||
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| [[x5.3-reactive-message-handler]] | ||
| ==== `ReactiveMessageHandler` | ||
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| The `ReactiveMessageHandler` is now natively supported in the framework. | ||
| See <<./reactive-streams.adoc#reactive-message-handler,ReactiveMessageHandler>> for more information. | ||
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| [[x5.3-reactive-message-source-producer]] | ||
| ==== `ReactiveMessageSourceProducer` | ||
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| The `ReactiveMessageSourceProducer` is a reactive implementation of the `MessageProducerSupport` to wrap a provided `MessageSource` into a `Flux` for on demand `receive()` calls. | ||
| See <<./reactive-streams.adoc#reactive-streams,Reactive Streams Support>> for more information. | ||
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| [[x5.3-java-dsl-extensions]] | ||
| ==== Java DSL Extensions | ||
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| A new `IntegrationFlowExtension` API has been introduced to allow extension of the existing Java DSL with custom or composed EIP-operators. | ||
| This also can be used to introduce customizers for any out-of-the-box `IntegrationComponentSpec` extensions. | ||
| See <<./dsl.adoc#java-dsl-extensions,DSL Extensions>> for more information. | ||
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| [[x5.3-kotlin-dsl]] | ||
| ==== Kotlin DSL | ||
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| The Kotlin DSL for integration flow configurations has been introduced. | ||
| See <<./kotlin-dsl.adoc#kotlin-dsl,Kotlin DSL Chapter>> for more information. | ||
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| [[x5.3-reactive-request-handler-advice]] | ||
| ==== ReactiveRequestHandlerAdvice | ||
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| A `ReactiveRequestHandlerAdvice` is provided to customize `Mono` replies from message handlers. | ||
| See <<./handler-advice.adoc#reactive-advice,Reactive Advice>> for more information. | ||
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| [[x5.3-handle-message-advice-adapter]] | ||
| ==== HandleMessageAdviceAdapter | ||
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| A `HandleMessageAdviceAdapter` is provided to wrap any `MethodInterceptor` for applying on the `MessageHandler.handleMessage()` instead of a default `AbstractReplyProducingMessageHandler.RequestHandler.handleRequestMessage()` behavior. | ||
| See <<./handler-advice.adoc#handle-message-advice,Handling Message Advice>> for more information. | ||
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| [[x5.3-mongodb-reactive-channel-adapters]] | ||
| ==== MongoDB Reactive Channel Adapters | ||
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| The `spring-integration-mongodb` module now provides channel adapter implementations for the Reactive MongoDb driver support in Spring Data. | ||
| Also, a reactive implementation for MongoDb change stream support is present with the `MongoDbChangeStreamMessageProducer`. | ||
| See <<./mongodb.adoc#mongodb,MongoDB Support>> for more information. | ||
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| [[x5.3-receive-message-advice]] | ||
| ==== ReceiveMessageAdvice | ||
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| A special `ReceiveMessageAdvice` has been introduced to proxy exactly `MessageSource.receive()` or `PollableChannel.receive()`. | ||
| See <<./polling-consumer.adoc#smart-polling,Smart Polling>> for more information. | ||
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| [[x5.3-general]] | ||
| === General Changes | ||
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| The gateway proxy now doesn't proxy `default` methods by default. | ||
| See <<./gateway.adoc#gateway-calling-default-methods,Invoking `default` Methods>> for more information. | ||
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| Internal components (such as `_org.springframework.integration.errorLogger`) now have a shortened name when they are represented in the integration graph. | ||
| See <<./graph.adoc#integration-graph,Integration Graph>> for more information. | ||
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| In the aggregator, when the `MessageGroupProcessor` returns a `Message`, the `MessageBuilder.popSequenceDetails()` is performed on the output message if the `sequenceDetails` matches the header in the first message of the group. | ||
| See <<./aggregator.adoc#aggregator-api,Aggregator Programming Model>> for more information. | ||
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| A new `publishSubscribeChannel()` operator, based on the `BroadcastCapableChannel` and `BroadcastPublishSubscribeSpec`, was added into Java DSL. | ||
| This fluent API has its advantage when we configure sub-flows as pub-sub subscribers for broker-backed channels like `SubscribableJmsChannel`, `SubscribableRedisChannel` etc. | ||
| See <<./dsl.adoc#java-dsl-subflows,Sub-flows support>> for more information. | ||
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| Transactional support in Spring Integration now also includes options to configure a `ReactiveTransactionManager` if a `MessageSource` or `MessageHandler` implementation produces a reactive type for payload to send. | ||
| See `TransactionInterceptorBuilder` for more information. | ||
| See also <<./transactions.adoc#reactive-transactions,Reactive Transactions>>. | ||
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| A new `intercept()` operator to register `ChannelInterceptor` instances without creating explicit channels was added into Java DSL. | ||
| See <<./dsl.adoc#java-dsl-intercept,Operator intercept()>> for more information. | ||
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| The `MessageStoreSelector` has a new mechanism to compare an old and new value. | ||
| See <<./handler-advice.adoc#idempotent-receiver,Idempotent Receiver Enterprise Integration Pattern>> for more information. | ||
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| The `MessageProducerSupport` base class now has a `subscribeToPublisher(Publisher<? extends Message<?>>)` API to allow implementation of message-driven producer endpoints which emit messages via reactive `Publisher`. | ||
| See <<./reactive-streams.adoc#reactive-streams,Reactive Streams Support>> for more information. | ||
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| [[x5.3-amqp]] | ||
| === AMQP Changes | ||
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| The outbound channel adapter has a new property `multiSend` allowing multiple messages to be sent within the scope of one `RabbitTemplate` invocation. | ||
| See <<./amqp.adoc#amqp-outbound-channel-adapter,AMQP Outbound Channel Adapter>> for more information. | ||
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| The inbound channel adapter now supports a listener container with the `consumerBatchEnabled` property set to `true`. | ||
| See <<./amqp.adoc#amqp-inbound-channel-adapter,AMQP Inbound Channel Adapter>> | ||
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| [[x5.3-http]] | ||
| === HTTP Changes | ||
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| The `encodeUri` property on the `AbstractHttpRequestExecutingMessageHandler` has been deprecated in favor of newly introduced `encodingMode`. | ||
| See `DefaultUriBuilderFactory.EncodingMode` JavaDocs and <<./http.adoc#http-uri-encoding,Controlling URI Encoding>> for more information. | ||
| This also affects `WebFluxRequestExecutingMessageHandler`, respective Java DSL and XML configuration. | ||
| The same option is added into an `AbstractWebServiceOutboundGateway`. | ||
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| [[x5.3-ws]] | ||
| === Web Services Changes | ||
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| Java DSL support has been added for Web Service components. | ||
| The `encodeUri` property on the `AbstractWebServiceOutboundGateway` has been deprecated in favor of newly introduced `encodingMode` - similar to HTTP changes above. | ||
| See <<./ws.adoc#ws,Web Services Support>> for more information. | ||
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| [[x5.3-tcp]] | ||
| === TCP Changes | ||
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| The `FailoverClientConnectionFactory` no longer fails back, by default, until the current connection fails. | ||
| See <<./ip.adoc#failover-cf,TCP Failover Client Connection Factory>> for more information. | ||
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| The `TcpOutboundGateway` now supports asynchronous request/reply. | ||
| See <<./ip.adoc#tcp-gateways,TCP Gateways>> for more information. | ||
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| You can now configure client connections to perform some arbitrary test on new connections. | ||
| See <<./ip.adoc#testing-connections,Testing Connections>> for more information. | ||
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| [[x5.3-rsocket]] | ||
| === RSocket Changes | ||
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| A `decodeFluxAsUnit` option has been added to the `RSocketInboundGateway` with the meaning to decode incoming `Flux` as a single unit or apply decoding for each event in it. | ||
| See <<./rsocket.adoc#rsocket-inbound,RSocket Inbound Gateway>> for more information. | ||
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| [[x5.3-zookeeper]] | ||
| === Zookeeper Changes | ||
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| A `LeaderInitiatorFactoryBean` (as well as its XML `<int-zk:leader-listener>`) exposes a `candidate` option for more control over a `Candidate` configuration. | ||
| See <<./zookeeper.adoc#zk-leadership,Leadership event handling>> for more information. | ||
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| [[x5.3-mqtt]] | ||
| === MQTT Changes | ||
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| The inbound channel adapter can now be configured to provide user control over when a message is acknowledged as being delivered. | ||
| See <<./mqtt.adoc#mqtt-ack-mode,Manual Acks>> for more information. | ||
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| The outbound adapter now publishes a `MqttConnectionFailedEvent` when a connection can't be created, or is lost. | ||
| Previously, only the inbound adapter did so. | ||
| See <<./mqtt.adoc#mqtt-events,MQTT Events>>. | ||
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| [[x5.3-sftp]] | ||
| === (S)FTP Changes | ||
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| The `FileTransferringMessageHandler` (for FTP and SFTP, for example) in addition to `File`, `byte[]`, `String` and `InputStream` now also supports an `org.springframework.core.io.Resource`. | ||
| See <<./sftp.adoc#sftp,SFTP Support>> and <<./ftp.adoc#ftp,FTP Support>> for more information. | ||
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| [[x5.3-file]] | ||
| === File Changes | ||
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| The `FileSplitter` doesn't require a Jackson processor (or similar) dependency any more for the `markersJson` mode. | ||
| It uses a `SimpleJsonSerializer` for a straightforward string representation of the `FileSplitter.FileMarker` instances. | ||
| See <<./file.adoc#file-splitter,FileSplitter>> for more information. |
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