Daniel Scanteianu created KAFKA-14373:
-
Summary: provide builders for producer/consumer
Key: KAFKA-14373
URL: https://issues.apache.org/jira/browse/KAFKA-14373
Project: Kafka
Issue Type: Improvement
Components: clients
Reporter: Daniel Scanteianu
creating a producer/consumer involves looking up the consts for kafka
configuration, and usually doing a lot of googling for what the possible values
are for each configuration. Providing a builder where there are named methods
to set various configuration, with meaningful parameters (ie: enums for
configurations that can only have a few values), and good javadoc would make it
much easier from developers working from ides (such as intellij, eclipse,
netbeans, etc) to discover the various configurations, and navigate to the
documentation for the various options when creating producers/consumers.
A salient consumer example:
Examples:
Pseudocode:
Producer:
ProducerBuilder(String bootstrapUrl){
...
}
ProducerBuilder withTransactionsEnabled(String transactionalId){
...
// internally sets a flag so that transactions are initialized when producer is
built
}
Producer build(){
...
}
Salient Consumer Example:
/**
*
* @param strategy : if the strategy is set to NONE, then an error is thrown if
a valid offset is passed to seek (etc.), if it is set to EARLIEST, then the
consumer will seek to beginning (etc).
*/
ConsumerBuilder withAutoOffsetResetStrategy(OffsetResetStrategy strategy){
...
}
where OffsetResetStrategy is an enum with 3 values (EARLIEST,LATEST, NONE)
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