GH-8586: Deprecate IntegrationComponentSpec.get() #8594
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Fixes spring-projects#8586 The `IntegrationComponentSpec` is not a plain wrapper around single component. Sometimes it comes with several components where all of them must be registered as beans. If `IntegrationComponentSpec.get()` is called from end-user code, we may lose other related components, for example filters in the `FileInboundChannelAdapterSpec`. * Deprecate `IntegrationComponentSpec.get()` with no-op for end-user, rather encourage to leave it as is and let the framework take care about its lifecycle and related components registration * Fix `IntegrationComponentSpec` logic to deal as a simple `FactoryBean` instead of extra overhead via `AbstractFactoryBean` * Use `IntegrationComponentSpec.getObject()` in the framework code where `get()` was called * Fix tests to expose `IntegrationComponentSpec` as beans instead of previously called `get()` * Some other clean up and typos fixes in the affected classes * Document the change
garyrussell
suggested changes
Apr 12, 2023
...gration-core/src/main/java/org/springframework/integration/dsl/IntegrationComponentSpec.java
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Co-authored-by: Gary Russell <[email protected]>
garyrussell
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Apr 13, 2023
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Fixes #8586
The
IntegrationComponentSpecis not a plain wrapper around single component. Sometimes it comes with several components where all of them must be registered as beans.If
IntegrationComponentSpec.get()is called from end-user code, we may lose other related components, for example filters in theFileInboundChannelAdapterSpec.IntegrationComponentSpec.get()with no-op for end-user, rather encourage to leave it as is and let the framework take care about its lifecycle and related components registrationIntegrationComponentSpeclogic to deal as a simpleFactoryBeaninstead of extra overhead viaAbstractFactoryBeanIntegrationComponentSpec.getObject()in the framework code whereget()was calledIntegrationComponentSpecas beans instead of previously calledget()