org.apache.predictionio.data.store.java

LJavaEventStore

object LJavaEventStore

This Java-friendly object provides a set of operation to access Event Store without going through Spark's parallelization

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

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  10. def finalize(): Unit

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  11. def find(appName: String, entityType: Option[String], entityId: Option[String], channelName: Option[String], eventNames: Option[List[String]], targetEntityType: Option[Option[String]], targetEntityId: Option[Option[String]], startTime: Option[DateTime], untilTime: Option[DateTime], limit: Option[Integer], timeout: Duration): List[Event]

    Reads events generically.

    Reads events generically. If entityType or entityId is not specified, it results in table scan.

    appName

    return events of this app

    entityType

    return events of this entityType

    • None means no restriction on entityType
    • Some(x) means entityType should match x.
    entityId

    return events of this entityId

    • None means no restriction on entityId
    • Some(x) means entityId should match x.
    channelName

    return events of this channel (default channel if it's None)

    eventNames

    return events with any of these event names.

    targetEntityType

    return events of this targetEntityType:

    • None means no restriction on targetEntityType
    • Some(None) means no targetEntityType for this event
    • Some(Some(x)) means targetEntityType should match x.
    targetEntityId

    return events of this targetEntityId

    • None means no restriction on targetEntityId
    • Some(None) means no targetEntityId for this event
    • Some(Some(x)) means targetEntityId should match x.
    startTime

    return events with eventTime >= startTime

    untilTime

    return events with eventTime < untilTime

    limit

    Limit number of events. Get all events if None or Some(-1)

    returns

    java.util.List[Event]

  12. def findByEntity(appName: String, entityType: String, entityId: String, channelName: Option[String], eventNames: Option[List[String]], targetEntityType: Option[Option[String]], targetEntityId: Option[Option[String]], startTime: Option[DateTime], untilTime: Option[DateTime], limit: Option[Integer], latest: Boolean, timeout: Duration): List[Event]

    Reads events of the specified entity.

    Reads events of the specified entity. May use this in Algorithm's predict() or Serving logic to have fast event store access.

    appName

    return events of this app

    entityType

    return events of this entityType

    entityId

    return events of this entityId

    channelName

    return events of this channel (default channel if it's None)

    eventNames

    return events with any of these event names.

    targetEntityType

    return events of this targetEntityType:

    • None means no restriction on targetEntityType
    • Some(None) means no targetEntityType for this event
    • Some(Some(x)) means targetEntityType should match x.
    targetEntityId

    return events of this targetEntityId

    • None means no restriction on targetEntityId
    • Some(None) means no targetEntityId for this event
    • Some(Some(x)) means targetEntityId should match x.
    startTime

    return events with eventTime >= startTime

    untilTime

    return events with eventTime < untilTime

    limit

    Limit number of events. Get all events if None or Some(-1)

    latest

    Return latest event first

    returns

    java.util.List[Event]

  13. final def getClass(): Class[_]

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  14. def hashCode(): Int

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  17. final def notify(): Unit

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  18. final def notifyAll(): Unit

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  21. final def wait(): Unit

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  22. final def wait(arg0: Long, arg1: Int): Unit

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  23. final def wait(arg0: Long): Unit

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