Add Async, Reactive and Streaming capabilities to the Function Annotation support [DATAGEODE-36]

[spring-projects-issues]

John Blum opened DATAGEODE-36 and commented

Apache Geode significantly lacks in asynchronous and/or Reactive Function execution support as well as result streaming/handling.

Spring Data Geode combined with the Spring Framework's Async handling features and Reactive support is in a perfect position to make this behavior first class in SDG's Function annotation model.

This JIRA is meant to capture this intended behavior and extend SDG's already robust Function annotation and POJO programming model.

See this example test class for more details

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No further details from DATAGEODE-36