Fix race condition, minor improvements to caching #65
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chrfwow
commented
Dec 10, 2025
Comment on lines
-83
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85
| if (evaluator == null) { | ||
| evaluator = new JsonLogicEvaluator(expressions); | ||
| JsonLogicEvaluator localEvaluator = this.evaluator.get(); | ||
| if (localEvaluator == null) { | ||
| this.evaluator.compareAndSet(null, new JsonLogicEvaluator(expressions)); | ||
| localEvaluator = this.evaluator.get(); | ||
| } |
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This could have led to a lost write when an operation is added while one thread is in this if-statement
aepfli
approved these changes
Dec 10, 2025
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This PR fixes a race condition that can be triggered when adding new operators, and slightly improves the cache lookup