Awesome, thank you very much I will try to do it with key selector to send the key from the front end
El mié., 1 ago. 2018 a las 11:57, vino yang (<yanghua1...@gmail.com>) escribió: > Sorry, the KeySelector's Java doc is here : > https://ci.apache.org/projects/flink/flink-docs-master/api/java/org/apache/flink/api/java/functions/KeySelector.html > > 2018-08-01 23:57 GMT+08:00 vino yang <yanghua1...@gmail.com>: > >> Hi antonio, >> >> The keyBy API can accept a KeySelector [1] which is a interface you can >> implement to specify the key for your business. >> >> I think you can use it and implement its getKey method. In the method, >> you can access outer system (such as Zookeeper) to get a dynamic key. >> >> It's just an idea, you can try it. >> >> Thanks, vino. >> >> >> 2018-08-01 23:46 GMT+08:00 antonio saldivar <ansal...@gmail.com>: >> >>> Hello >>> >>> I am developing a Flink 1.4.2 application currently with sliding windows >>> (Example below) >>> I want to ask if there is a way to create the window time dynamically >>> also the key has to change in some Use Cases and we don't want to create an >>> specific window for each UC >>> >>> I want to send those values from the front end >>> >>> SingleOutputStreamOperator<Object> windowed = ObjectDTO >>> >>> .keyBy("Key") >>> >>> .timeWindow(Time.minutes(10),Time.minutes(1)) >>> >>> .trigger(new AlertTrigger(env.getStreamTimeCharacteristic())) >>> >>> .aggregate(new TxnAggregator(), new TxnWindowFn()) >>> >>> .name("TEN_MINUTES_WINDOW") >>> >>> >>> Thank you >>> Best Regards >>> >> >> >
