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Reorganize local storing of Tx #1569

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@plyhun plyhun commented Dec 27, 2023

Abstract

One should never store a thing in ThreadLocal, since we operate async contexts, not threads.

Checklist

General

  • Added abstract that describes the change
  • Added changelog entry to /CHANGELOG.adoc
  • Ensured that the change is covered by tests
  • Ensured that the change is documented in the docs

On API Changes

  • Checked if the changes are breaking or not
  • Added GraphQL API if applicable
  • Added Elasticsearch mapping if applicable

Tx.threadLocalGraph.set(tx);
Optional.ofNullable(Vertx.currentContext())
.ifPresentOrElse(
ctx -> ctx.putLocal("tx", Optional.ofNullable(tx)),
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The actual change. There are get() and getLocal() in the Vert.x Context, which seem to be functionally equal, but getLocal() has internal usages.

return Tx.threadLocalGraph.get();
Optional<Context> maybeVertxContext = Optional.ofNullable(Vertx.currentContext());
if (maybeVertxContext.isPresent()) {
Context vertxContext = maybeVertxContext.get();
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Don't mix the cases where we have an empty Context, and where we have no Context at all.

Serhii Plyhun added 5 commits January 3, 2024 09:23
This reverts commit 2ed9611.
This reverts commit 13195ff.
This reverts commit 0cec36b.
This reverts commit 16a1700.
This reverts commit adae05e.
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plyhun commented Jan 3, 2024

Postponed by now.

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