Pulsar: per-consumer / per-producer customization hooks (#3179)#3200
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Adds per-endpoint ConfigureConsumer / ConfigureProducer hooks that run against DotPulsar's IConsumerBuilder / IProducerBuilder immediately before the consumer/producer is created — so users can tune consumer name, receive-queue size, priority, compression, batching, routing mode, etc. per endpoint (previously only the global IPulsarClientBuilder was exposed). Analogue of Kafka's ConfigureConsumer/ConfigureProducer. - PulsarEndpoint.ConfigureConsumer / ConfigureProducer hooks. - PulsarListener applies ConfigureConsumer to the main and retry consumers; PulsarSender applies ConfigureProducer (covers the listener's internal requeue sender too). - PulsarListenerConfiguration.ConfigureConsumer(...)/ConfigureProducer(...) and PulsarSubscriberConfiguration.ConfigureProducer(...). Tests: config unit tests + integration test proving both callbacks run while building the real consumer/producer and the customized pair still deliver end to end. Docs updated. Unblocks #3180. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Part of the Pulsar re-evaluation epic #3176. Fixes #3179.
Adds per-endpoint
ConfigureConsumer/ConfigureProducerhooks that run against DotPulsar'sIConsumerBuilder/IProducerBuilderimmediately before the consumer/producer is created. Previously only the globalIPulsarClientBuilder(viaUsePulsar) was exposed, so per-endpoint knobs (consumer/producer name, receive-queue size, priority, compression, batching, routing mode, …) weren't reachable. Analogue of Kafka'sConfigureConsumer/ConfigureProducer.Changes
PulsarEndpoint.ConfigureConsumer/ConfigureProducerhooks.PulsarListenerappliesConfigureConsumerto the main and retry consumers;PulsarSenderappliesConfigureProducer(also covers the listener's internal requeue sender).PulsarListenerConfiguration.ConfigureConsumer(...)/ConfigureProducer(...)andPulsarSubscriberConfiguration.ConfigureProducer(...).Tests
Docs
New "Customizing Consumers & Producers" section.
Unblocks #3180 (acknowledgment strategy).
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