IntervalJoin基于connect实现,期间会生成对应的IntervalJoinOperator。 @PublicEvolving public <OUT> SingleOutputStreamOperator<OUT> process( ProcessJoinFunction<IN1, IN2, OUT> processJoinFunction, TypeInformation<OUT> outputType) { Preconditions.checkNotNull(processJoinFunction); Preconditions.checkNotNull(outputType); final ProcessJoinFunction<IN1, IN2, OUT> cleanedUdf = left.getExecutionEnvironment().clean(processJoinFunction); final IntervalJoinOperator<KEY, IN1, IN2, OUT> operator = new...