Examples with KafkaSource org.apache.flink.connector.kafka.source.KafkaSource used on opensource projects

Example 1 with KafkaSource

use of org.apache.flink.connector.kafka.source.KafkaSource in project flink by apache.

the class KafkaDynamicTableFactoryTest method assertKafkaSource.

private KafkaSource<?> assertKafkaSource(ScanTableSource.ScanRuntimeProvider provider) {
    assertThat(provider).isInstanceOf(DataStreamScanProvider.class);
    final DataStreamScanProvider dataStreamScanProvider = (DataStreamScanProvider) provider;
    final Transformation<RowData> transformation = dataStreamScanProvider.produceDataStream(n -> Optional.empty(), StreamExecutionEnvironment.createLocalEnvironment()).getTransformation();
    assertThat(transformation).isInstanceOf(SourceTransformation.class);
    SourceTransformation<RowData, KafkaPartitionSplit, KafkaSourceEnumState> sourceTransformation = (SourceTransformation<RowData, KafkaPartitionSplit, KafkaSourceEnumState>) transformation;
    assertThat(sourceTransformation.getSource()).isInstanceOf(KafkaSource.class);
    return (KafkaSource<?>) sourceTransformation.getSource();
}