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Improve split() DSL (#8666)

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* Introduce a `SplitterSpec` which can accept possible
splitter variants: `expression`, `function`, `ref` etc.
This way we are going to have a complex endpoint configuration
only with a single method argument.
* Use `SplitterSpec` in a newly introduced `splitWith()`
* Deprecate those `split()` methods which use `SplitterEndpointSpec`.
This method are complex enough because of their several arguments
* Refactor some common `MessageHandler` options initialization
into the `ConsumerEndpointSpec.doGet()`
* Disable failing now `MethodInvokingMessageProcessorTests.testCollectionArgument()`:
or Jackson problem, or fresh SF
* Groovy DSL will be fixed in the separate PR:
https://stackoverflow.com/questions/76595843/groovy-selects-a-defaultgroovymethods-split-instead-of-mine-one
This commit is contained in:
Artem Bilan
2023-07-03 10:35:21 -04:00
committed by GitHub
parent 0798c8df95
commit 34f901f7db
26 changed files with 607 additions and 124 deletions
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2
spring-integration-core/src/test/java/org/springframework/integration/channel/reactive/FluxMessageChannelTests.java
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@@ -128,7 +128,7 @@ public class FluxMessageChannelTests {
CountDownLatch finishLatch = new CountDownLatch(1);
IntegrationFlow testFlow = f -> f
.<String>split(__ -> Flux.fromStream(IntStream.range(0, 100).boxed()), null)
.splitWith(s -> s.function(__ -> Flux.fromStream(IntStream.range(0, 100).boxed())))
.channel(flux)
.aggregate(a -> a.releaseStrategy(m -> m.size() == 100).releaseLockBeforeSend(true))
.handle(__ -> finishLatch.countDown());

17
spring-integration-core/src/test/java/org/springframework/integration/dsl/correlation/CorrelationHandlerTests.java
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@@ -228,11 +228,17 @@ public class CorrelationHandlerTests {
@SuppressWarnings("rawtypes")
public IntegrationFlow splitResequenceFlow(MessageChannel executorChannel, TaskExecutor taskExecutor) {
return f -> f.enrichHeaders(s -> s.header("FOO", "BAR"))
.split("testSplitterData", "buildList", c -> c.applySequence(false))
.splitWith(s -> s
.applySequence(false)
.refName("testSplitterData")
.method("buildList"))
.channel(executorChannel)
.split(Message.class, Message::getPayload, c -> c.applySequence(false))
.splitWith(s -> s
.applySequence(false)
.<Message>function(Message::getPayload)
.expectedType(Message.class))
.channel(MessageChannels.executor(taskExecutor))
.split(s -> s
.splitWith(s -> s
.applySequence(false)
.delimiters(","))
.channel(MessageChannels.executor(taskExecutor))
@@ -248,8 +254,9 @@ public class CorrelationHandlerTests {
public IntegrationFlow splitAggregateFlow() {
return IntegrationFlow.from("splitAggregateInput", true)
.transform(Transformers.toJson(ObjectToJsonTransformer.ResultType.NODE))
.split((splitter) -> splitter
.discardFlow((subFlow) -> subFlow.channel((c) -> c.queue("discardChannel"))))
.splitWith((splitter) -> splitter
.discardFlow((subFlow) -> subFlow
.channel((c) -> c.queue("discardChannel"))))
.channel(MessageChannels.flux())
.resequence()
.aggregate()

4
spring-integration-core/src/test/java/org/springframework/integration/dsl/flowservices/FlowServiceTests.java
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@@ -205,7 +205,7 @@ public class FlowServiceTests {
@Override
protected IntegrationFlowDefinition<?> buildFlow() {
return fromSupplier(this::messageSource, e -> e.poller(p -> p.trigger(this::nextExecution)))
.split(this, null, e -> e.applySequence(false))
.splitWith(s -> s.applySequence(false).ref(this))
.transform(this)
.aggregate(a -> a.processor(this, null))
.enrichHeaders(Collections.singletonMap("foo", "FOO"))
@@ -268,7 +268,7 @@ public class FlowServiceTests {
@Override
protected IntegrationFlowDefinition<?> buildFlow() {
return from("delaysBetweenPollsInput")
.split(splitter -> splitter.delimiters(","))
.splitWith(splitter -> splitter.delimiters(","))
.channel(MessageChannels.queue())
.handle(this, "handle", e -> e.poller(poller -> poller.fixedDelay(500).maxMessagesPerPoll(1)))
.channel(MessageChannels.queue("delaysBetweenPollsOutput"));

4
spring-integration-core/src/test/java/org/springframework/integration/dsl/reactivestreams/ReactiveStreamsTests.java
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@@ -191,7 +191,7 @@ public class ReactiveStreamsTests {
QueueChannel resultChannel = new QueueChannel();
IntegrationFlow integrationFlow = f -> f
.split((splitter) -> splitter.delimiters(","))
.splitWith((splitter) -> splitter.delimiters(","))
.<String, String>fluxTransform(flux -> flux
.map(Message::getPayload)
.map(String::toUpperCase))
@@ -261,7 +261,7 @@ public class ReactiveStreamsTests {
public Publisher<Message<Integer>> pollableReactiveFlow() {
return IntegrationFlow
.from("inputChannel")
.split(s -> s.delimiters(","))
.splitWith(s -> s.delimiters(","))
.transformWith(t -> t
.<String, Integer>transformer(Integer::parseInt)
.reactive(flux -> flux.publishOn(Schedulers.parallel()))

4
spring-integration-core/src/test/java/org/springframework/integration/dsl/routers/RouterTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2016-2022 the original author or authors.
* Copyright 2016-2023 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -872,7 +872,7 @@ public class RouterTests {
@Bean
public IntegrationFlow nestedScatterGatherFlow() {
return f -> f
.split(s -> s.delimiters(" "))
.splitWith(s -> s.delimiters(" "))
.scatterGather(
scatterer -> scatterer
.recipientFlow(f1 -> f1.handle((p, h) -> p + " - flow 1"))

3
spring-integration-core/src/test/java/org/springframework/integration/handler/MethodInvokingMessageProcessorTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2022 the original author or authors.
* Copyright 2002-2023 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -1128,6 +1128,7 @@ public class MethodInvokingMessageProcessorTests {
@Test
@Disabled("Jackson does not understand a generic argument value")
public void testCollectionArgument() throws JsonProcessingException {
class A {

3
spring-integration-core/src/test/kotlin/org/springframework/integration/dsl/KotlinDslTests.kt
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@@ -261,7 +261,8 @@ class KotlinDslTests {
}
transform<String> { it.uppercase() }
split<Message<*>> { it.payload }
split<String>({ it }) {
splitWith {
function<String>{ it }
id("splitterEndpoint")
phase(257)
}