package test; import org.apache.flink.api.java.tuple.Tuple5; import org.apache.flink.configuration.Configuration; import org.apache.flink.streaming.api.functions.windowing.RichWindowFunction; import org.apache.flink.streaming.api.windowing.windows.TimeWindow; import org.apache.flink.util.Collector; import org.json.JSONObject; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class TestWindow extends RichWindowFunction, Void, String, TimeWindow> { private static final long serialVersionUID = 1231260406743880674L; private static final Logger logger = LoggerFactory.getLogger(TestWindow.class); @Override public void open(Configuration parameters) throws Exception { } @Override public void apply(String key, TimeWindow window, Iterable> values, Collector out) throws Exception { } }