org.apache.predictionio.data.storage

LEventAggregator

object LEventAggregator

:: DeveloperApi :: Provides aggregation support of Events to LEvents. Engine developers should use org.apache.predictionio.data.store.LEventStore instead of using this directly.

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@DeveloperApi()
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  1. final def !=(arg0: AnyRef): Boolean

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  3. final def ##(): Int

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  4. final def ==(arg0: AnyRef): Boolean

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  5. final def ==(arg0: Any): Boolean

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  6. def aggregateProperties(events: Iterator[Event]): Map[String, PropertyMap]

    :: DeveloperApi :: Aggregate all properties grouped by entity type given an iterator of Events with the latest property values from all Events, and their first and last updated time

    :: DeveloperApi :: Aggregate all properties grouped by entity type given an iterator of Events with the latest property values from all Events, and their first and last updated time

    events

    An iterator of Events whose properties will be aggregated

    returns

    A map of entity type to PropertyMap

    Annotations
    @DeveloperApi()
  7. def aggregatePropertiesSingle(events: Iterator[Event]): Option[PropertyMap]

    :: DeveloperApi :: Aggregate all properties given an iterator of Events with the latest property values from all Events, and their first and last updated time

    :: DeveloperApi :: Aggregate all properties given an iterator of Events with the latest property values from all Events, and their first and last updated time

    events

    An iterator of Events whose properties will be aggregated

    returns

    An optional PropertyMap

    Annotations
    @DeveloperApi()
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  11. def equals(arg0: Any): Boolean

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  12. val eventNames: List[String]

    Event names that control aggregation: $set, $unset, and $delete

  13. def finalize(): Unit

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