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GH-2936: Add custom converters for MongoDbMS

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Fixes https://github.com/spring-projects/spring-integration/issues/2936

* Add `MongoDbMessageStore.setCustomConverters()` to allow to inject
any custom converters for `payload` as well as header values

**Cherry-pick to 5.1.x**
This commit is contained in:
Artem Bilan
2019-05-29 17:46:07 -04:00
committed by Gary Russell
parent d2d09cd8d8
commit 34db267a8a
4 changed files with 104 additions and 17 deletions
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6
src/reference/asciidoc/mongodb.adoc
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@@ -123,9 +123,9 @@ The `MongoDbMessageStore` expands the `Message` as a Mongo document with all nes
It is useful when you need to have access to the `payload` or `headers` for auditing or analytics -- for example, against stored messages.
IMPORTANT: The `MongoDbMessageStore` uses a custom `MappingMongoConverter` implementation to store `Message` instances as MongoDB documents, and there are some limitations for the properties (`payload` and `header` values) of the `Message`.
For example, there is no ability to configure custom converters for complex domain `payload` instances or `header` values.
There is also no way to provide a custom `MongoTemplate` (or `MappingMongoConverter`).
To achieve these capabilities, an alternative MongoDB `MessageStore` implementation has been introduced (we describe it next).
Starting with version 5.1.6, the `MongoDbMessageStore` can be configured with custom converters which are propagated into an internal `MappingMongoConverter` implementation.
See `MongoDbMessageStore.setCustomConverters(Object... customConverters)` JavaDocs for more information.
Spring Integration 3.0 introduced the `ConfigurableMongoDbMessageStore`.
It implements both the `MessageStore` and `MessageGroupStore` interfaces.

5
src/reference/asciidoc/whats-new.adoc
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@@ -77,3 +77,8 @@ See <<./mail.adoc#mail-inbound,Mail-receiving Channel Adapter>> for more informa
The `WebFluxRequestExecutingMessageHandler` now supports a `Publisher`, `Resource` and `MultiValueMap` as a request message `payload`.
See <<./webflux.adoc#webflux,WebFlux Support>> for more information.
[[x5.2-mongodb]]
==== MongoDb Changes
The `MongoDbMessageStore` can now be configured with custom converters.
See <<./mongodb.adoc#mongodb, MongoDB Support>> for more information.