= CommandDtoProcessor
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Refine (or possibly ignore) a command when replicating from primary to secondary.

== API

[source,java]
.CommandDtoProcessor.java
----
interface CommandDtoProcessor {
  CommandDto process(CommandDto commandDto)     // <.>
}
----

<.> xref:#process_CommandDto[process(CommandDto)]
+
--
The implementation can if necessary refine or alter the _CommandDto_ to be replicated from primary to secondary.
--

== Members

[#process_CommandDto]
=== process(CommandDto)

The implementation can if necessary refine or alter the _CommandDto_ to be replicated from primary to secondary.

That said, the most common use case is to return `null` , which results in the command effectively being ignore.
