GroupByKey.GroupAlsoByWindow (Google Cloud Dataflow SDK 1.9.1 API)

Google Cloud Dataflow SDK for Java, version 1.9.1

com.google.cloud.dataflow.sdk.transforms

Class GroupByKey.GroupAlsoByWindow<K,V>

  • All Implemented Interfaces:
    HasDisplayData, Serializable
    Enclosing class:
    GroupByKey<K,V>


    public static class GroupByKey.GroupAlsoByWindow<K,V>
    extends PTransform<PCollection<KV<K,Iterable<com.google.cloud.dataflow.sdk.util.WindowedValue<V>>>>,PCollection<KV<K,Iterable<V>>>>
    Helper transform that takes a collection of timestamp-ordered values associated with each key, groups the values by window, combines windows as needed, and for each window in each key, outputs a collection of key/value-list pairs implicitly assigned to the window and with the timestamp derived from that window.
    See Also:
    Serialized Form
    • Constructor Detail

      • GroupAlsoByWindow

        public GroupAlsoByWindow(com.google.cloud.dataflow.sdk.util.WindowingStrategy<?,?> windowingStrategy)


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