[GitHub] [cassandra-accord] belliottsmith commented on a diff in pull request #17: Async chain

[GitBox <gi...@apache.org>]

belliottsmith commented on code in PR #17:
URL: https://github.com/apache/cassandra-accord/pull/17#discussion_r1051331275


##########
accord-core/src/main/java/accord/utils/async/AsyncResult.java:
##########
@@ -0,0 +1,96 @@
+package accord.utils.async;
+
+import java.util.concurrent.Executor;
+import java.util.function.BiConsumer;
+
+/**
+ * Handle for async computations that supports multiple listeners and registering
+ * listeners after the computation has started
+ */
+public interface AsyncResult<V>

Review Comment:
   I asked to remove it, for two reasons: 1) it’s a lot of code duplication; 2) it encourages precisely what we’re trying to avoid. There’s no easy way to impose a “no more than one hop” restriction.
   
   we could introduce some syntactic sugar for constructing a chain perhaps, that is then applied here, but I do not think these use cases warrant the escape route of dedicated map methods for the AsyncResult.



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