public static class WindowUtils.WindowKey<R> extends Object implements org.apache.flink.api.java.functions.KeySelector<StreamWindow<R>,Integer>
| Constructor and Description |
|---|
WindowKey() |
public Integer getKey(StreamWindow<R> value) throws Exception
getKey in interface org.apache.flink.api.java.functions.KeySelector<StreamWindow<R>,Integer>ExceptionCopyright © 2014–2015 The Apache Software Foundation. All rights reserved.