apache-beam-pipeline

问题 I am reading a PCollection mongodata from the MongoDB and using this PCollection as a sideInput to my ParDo(DoFN).withSideInputs(PCollection) And from Backend my MongoDB collection is updating on a daily or monthly basis or a yearly may be . And i need that newly added value in my pipeline. We can consider this as refreshing the mongo collection value in a running pipeline. For example of mongo collection has total 20K documents and after one day three more records added into mongo collection

问题 Not sure about how this GenerateSequence work for me as i have to read values from Mongo periodically on hourly or on daily basis, created a ParDo that reads the MongoDB, also added window into GlobalWindows with an trigger (trigger i will update as pr requirement). But below code snippet giving return type error so could you please help me to correct below lines of code? Also find snapshot of the error. Also how this Generate Sequence help in my case ? PCollectionView<List<String>> list_of