本文整理汇总了Java中org.apache.flink.streaming.api.datastream.DataStreamSource.broadcast方法的典型用法代码示例。如果您正苦于以下问题:Java DataStreamSource.broadcast方法的具体用法?Java DataStreamSource.broadcast怎么用?Java DataStreamSource.broadcast使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.flink.streaming.api.datastream.DataStreamSource
的用法示例。
在下文中一共展示了DataStreamSource.broadcast方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testChannelSelectors
import org.apache.flink.streaming.api.datastream.DataStreamSource; //导入方法依赖的package包/类
@Test
public void testChannelSelectors() {
StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
DataStreamSource<Long> src = env.generateSequence(0, 0);
DataStream<Long> broadcast = src.broadcast();
DataStreamSink<Long> broadcastSink = broadcast.print();
StreamPartitioner<?> broadcastPartitioner =
env.getStreamGraph().getStreamEdges(src.getId(),
broadcastSink.getTransformation().getId()).get(0).getPartitioner();
assertTrue(broadcastPartitioner instanceof BroadcastPartitioner);
DataStream<Long> shuffle = src.shuffle();
DataStreamSink<Long> shuffleSink = shuffle.print();
StreamPartitioner<?> shufflePartitioner =
env.getStreamGraph().getStreamEdges(src.getId(),
shuffleSink.getTransformation().getId()).get(0).getPartitioner();
assertTrue(shufflePartitioner instanceof ShufflePartitioner);
DataStream<Long> forward = src.forward();
DataStreamSink<Long> forwardSink = forward.print();
StreamPartitioner<?> forwardPartitioner =
env.getStreamGraph().getStreamEdges(src.getId(),
forwardSink.getTransformation().getId()).get(0).getPartitioner();
assertTrue(forwardPartitioner instanceof ForwardPartitioner);
DataStream<Long> rebalance = src.rebalance();
DataStreamSink<Long> rebalanceSink = rebalance.print();
StreamPartitioner<?> rebalancePartitioner =
env.getStreamGraph().getStreamEdges(src.getId(),
rebalanceSink.getTransformation().getId()).get(0).getPartitioner();
assertTrue(rebalancePartitioner instanceof RebalancePartitioner);
DataStream<Long> global = src.global();
DataStreamSink<Long> globalSink = global.print();
StreamPartitioner<?> globalPartitioner =
env.getStreamGraph().getStreamEdges(src.getId(),
globalSink.getTransformation().getId()).get(0).getPartitioner();
assertTrue(globalPartitioner instanceof GlobalPartitioner);
}