Examples with ProcessorContext org.apache.kafka.streams.processor.ProcessorContext used on opensource projects

Example 6 with ProcessorContext

use of org.apache.kafka.streams.processor.ProcessorContext in project kafka by apache.

the class SimpleBenchmark method createKafkaStreamsWithSink.

private KafkaStreams createKafkaStreamsWithSink(String topic, final CountDownLatch latch) {
    final Properties props = setStreamProperties("simple-benchmark-streams-with-sink");
    KStreamBuilder builder = new KStreamBuilder();
    KStream<Integer, byte[]> source = builder.stream(INTEGER_SERDE, BYTE_SERDE, topic);
    source.to(INTEGER_SERDE, BYTE_SERDE, SINK_TOPIC);
    source.process(new ProcessorSupplier<Integer, byte[]>() {

        @Override
        public Processor<Integer, byte[]> get() {
            return new AbstractProcessor<Integer, byte[]>() {

                @Override
                public void init(ProcessorContext context) {
                }

                @Override
                public void process(Integer key, byte[] value) {
                    processedRecords++;
                    processedBytes += value.length + Integer.SIZE;
                    if (processedRecords == numRecords) {
                        latch.countDown();
                    }
                }

                @Override
                public void punctuate(long timestamp) {
                }

                @Override
                public void close() {
                }
            };
        }
    });
    return createKafkaStreamsWithExceptionHandler(builder, props);
}

Example 7 with ProcessorContext

use of org.apache.kafka.streams.processor.ProcessorContext in project kafka by apache.

the class SimpleBenchmark method createKafkaStreams.

private KafkaStreams createKafkaStreams(String topic, final CountDownLatch latch) {
    Properties props = setStreamProperties("simple-benchmark-streams");
    KStreamBuilder builder = new KStreamBuilder();
    KStream<Integer, byte[]> source = builder.stream(INTEGER_SERDE, BYTE_SERDE, topic);
    source.process(new ProcessorSupplier<Integer, byte[]>() {

        @Override
        public Processor<Integer, byte[]> get() {
            return new AbstractProcessor<Integer, byte[]>() {

                @Override
                public void init(ProcessorContext context) {
                }

                @Override
                public void process(Integer key, byte[] value) {
                    processedRecords++;
                    processedBytes += value.length + Integer.SIZE;
                    if (processedRecords == numRecords) {
                        latch.countDown();
                    }
                }

                @Override
                public void punctuate(long timestamp) {
                }

                @Override
                public void close() {
                }
            };
        }
    });
    return createKafkaStreamsWithExceptionHandler(builder, props);
}