[GitHub] [pulsar] erenavsarogullari commented on a change in pull request #4539: [Pulsar-Client] Add Producer Builder API Numeric Properties Validations

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erenavsarogullari commented on a change in pull request #4539: [Pulsar-Client] Add Producer Builder API Numeric Properties Validations
URL: https://github.com/apache/pulsar/pull/4539#discussion_r296498927
 
 

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 File path: pulsar-client/src/main/java/org/apache/pulsar/client/impl/ProducerBuilderImpl.java
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 @@ -213,18 +214,21 @@ private ProducerBuilderImpl(PulsarClientImpl client, ProducerConfigurationData c
 
     @Override
     public ProducerBuilder<T> batchingMaxPublishDelay(long batchDelay, @NonNull TimeUnit timeUnit) {
+        checkArgument(batchDelay >= 0, "batchDelay needs to be >= 0");
 
 Review comment:
   Firstly, thanks all for the review.
   
   There is the similar check _deprecated_ `ProducerConfiguration.setBatchingMaxPublishDelay` and could not see any use-case for negative access on code-base (**e.g:** Unit Test case)
   In general, i was thinking that this kind of validation can be useful due to _public API_. However, if there is valid use-case, it can be skipped and UT can be useful to highlight negative case.
   

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