Tag: datastream
3 articles
Flink DataStream Transformation: Map, FlatMap, Filter to Window Complete Guide
Flink provides rich operators for DataStream to support flexible data stream processing in different scenarios. Common operators include Map, FlatMap and...
Flink SourceFunction to RichSourceFunction: Enhanced Source Functions & Practical Examples
RichSourceFunction and RichParallelSourceFunction are enhanced source functions suitable for scenarios requiring complex logic and resource management.
Flink DataStream API: DataSource, Transformation & Sink Complete Guide
DataSource, Transformation and Sink. DataSource provides diverse data input methods including file systems, message queues, databases and custom data sources.