[feat] PIP-466: Add V5 client API for scalable topics#25489
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merlimat wants to merge 7 commits intoapache:masterfrom
Open
[feat] PIP-466: Add V5 client API for scalable topics#25489merlimat wants to merge 7 commits intoapache:masterfrom
merlimat wants to merge 7 commits intoapache:masterfrom
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Introduce pulsar-client-api-v5 module with new consumer types for scalable topics: StreamConsumer, QueueConsumer, and CheckpointConsumer. Define Producer, Message, Schema, and PulsarClient interfaces with a clean API design. Includes authentication, crypto, batching/compression config types, and a ServiceLoader-based PulsarClientProvider SPI.
merlimat
changed the title
- Fix import ordering in Authentication, AuthenticationFactory, Schema - Rename BUILDER type parameter to BuilderT in MessageMetadata - Expand single-line exception constructors in PulsarClientException - Rename uppercase Schema factory methods to camelCase - Remove @hidden Javadoc tag from PulsarClientProvider - Fix missing braces and import issues in Examples.java
…bleTracing Move connection-level settings (connectionTimeout, connectionsPerBroker, enableTcpNoDelay, keepAliveInterval, connectionMaxIdleTime, ioThreads, callbackThreads, proxy) into a new ConnectionPolicy record with a builder. Remove enableTracing flag — the client creates an internal OpenTelemetry instance with metrics-only by default. Users who want tracing pass a custom OpenTelemetry instance configured with a TracerProvider.
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Summary
Implementation of PIP-466: New Java Client API (V5) for scalable topic support.
pulsar-client-api-v5module with type-safe interfaces for scalable topicsProducer/ProducerBuilderwith key-based routing, flow control, and async variantsCheckpointsnapshots for stream processing frameworks (Flink, Beam)AsyncProducer,AsyncStreamConsumer,AsyncQueueConsumer,AsyncCheckpointConsumer) for non-blocking usageExamples.javaRelated PIPs:
Test plan