Github user revans2 commented on a diff in the pull request:
https://github.com/apache/storm/pull/1781#discussion_r88944588
--- Diff:
external/storm-cassandra/src/main/java/org/apache/storm/cassandra/executor/AsyncExecutor.java
---
@@ -138,6 +139,109 @@ public void onFailure(Throwable t) {
}
/**
+ * Asynchronously executes the specified select statements. Results
will be passed to the {@link AsyncResultSetHandler}
+ * once each query has succeed or failed.
+ */
+ public SettableFuture<List<T>> execAsync(final List<Statement>
statements, final List<T> inputs, Integer maxParallelRequests, final
AsyncResultSetHandler<T> handler) {
+
+ final SettableFuture<List<T>> settableFuture =
SettableFuture.create();
+ final AsyncContext<T> asyncContext = new AsyncContext<>(inputs,
maxParallelRequests, settableFuture);
+
+ for (int i = 0; i < statements.size(); i++) {
+
+ // Acquire a slot
+ if (asyncContext.acquire()) {
+
+
--- End diff --
nit: don't need the extra line
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