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ASR-15: Add Aggregator application starter #1
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…lude` * Add more properties classes from Spring Boot to the `spring-configuration-metadata-whitelist.properties`
garyrussell
reviewed
Feb 10, 2017
| //tag::ref-doc[] | ||
| = Aggregator Processor | ||
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| Use the `aggregator` application to combine batches of message to single one based on the correlation. |
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to combine multiple messages into one, based on some correlation mechanism.
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| //tag::configuration-properties[] | ||
| $$aggregator.correlation$$:: $$SpEL expression for correlation key$$ *($$String$$, default: `correlationId` header)* | ||
| $$aggregator.release$$:: $$SpEL expression for release strategy$$ *($$String$$, default: `sequenceSize` header)* |
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default: group size == sequenceSize header.
| $$aggregator.correlation$$:: $$SpEL expression for correlation key$$ *($$String$$, default: `correlationId` header)* | ||
| $$aggregator.release$$:: $$SpEL expression for release strategy$$ *($$String$$, default: `sequenceSize` header)* | ||
| $$aggregator.aggregation$$:: $$SpEL expression for aggregation strategy$$ *($$String$$, default: collection of payloads)* | ||
| $$aggregator.groupTimeout$$:: $$SpEL expression for timeout to expiring uncompleted groups$$ *($$String$$, default: none)* |
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...for a timeout to expire uncompleted...
| $$aggregator.messageStoreEntity$$:: $$Persistence message store entity: table prefix in RDBMS, collection name in MongoDb, etc$$ *($$String$$, default: none)* | ||
| //end::configuration-properties[] | ||
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| By default `aggregator` processor uses: |
| import com.gemstone.gemfire.cache.Region; | ||
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| /** | ||
| * @author Artem Bilan |
| @@ -0,0 +1,2 @@ | |||
| org.springframework.boot.env.EnvironmentPostProcessor=\ | |||
| org.springframework.cloud.stream.app.aggregator.ExcludeStoresAutoConfigurationEnvironmentPostProcessor | |||
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Will address myself soon. |
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No |
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Doh... I added it somehow to the |
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Merged as d7d0554 |
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Fixes spring-attic/app-starters-release#15