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Add Spring Integration default poller auto-config

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When polling consumers or source polling channel adapters are used in
Spring Integration applications, they require some polling policy to
be configured.

This comment auto-configures a PollerMetadata bean which customized
via newly added `spring.integration.poller.*` configuration
properties or overriden completely be user-defined bean.

See gh-27992
This commit is contained in:
Artem Bilan
2021-09-14 12:30:16 -04:00
committed by Phillip Webb
parent 5e426394db
commit b2d1423e34
4 changed files with 201 additions and 0 deletions
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spring-boot-project/spring-boot-docs/src/docs/asciidoc/messaging/spring-integration.adoc
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@@ -5,6 +5,7 @@ Spring Integration provides abstractions over messaging and also other transport
If Spring Integration is available on your classpath, it is initialized through the `@EnableIntegration` annotation.
Spring Integration polling logic relies <<features#features.task-execution-and-scheduling,on the auto-configured `TaskScheduler`>>.
The default `PollerMetadata` (poll unbounded number of messages every second) can be customized with `spring.integration.poller.*` configuration properties.
Spring Boot also configures some features that are triggered by the presence of additional Spring Integration modules.
If `spring-integration-jmx` is also on the classpath, message processing statistics are published over JMX.