io.prediction.data.storage

LEvents

trait LEvents extends AnyRef

:: DeveloperApi :: Base trait of a data access object that directly returns Event without going through Spark's parallelization. Engine developers should use io.prediction.data.store.LEventStore instead of using this directly.

Annotations
@DeveloperApi()
Linear Supertypes
AnyRef, Any
Known Subclasses
HBLEvents, JDBCLEvents
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Abstract Value Members

  1. abstract def close(): Unit

    :: DeveloperApi :: Close this Event Store interface object, e.

    :: DeveloperApi :: Close this Event Store interface object, e.g. close connection, release resources, etc.

    Annotations
    @DeveloperApi()

  2. abstract def futureDelete(eventId: String, appId: Int, channelId: Option[Int])(implicit ec: ExecutionContext): Future[Boolean]

    :: DeveloperApi :: Delete an Event in a non-blocking fashion.

    :: DeveloperApi :: Delete an Event in a non-blocking fashion.

    eventId

    ID of the Event

    appId

    ID of the app that contains the Event

    channelId

    Optional channel ID that contains the Event

    Annotations
    @DeveloperApi()

  3. abstract def futureFind(appId: Int, channelId: Option[Int] = None, startTime: Option[DateTime] = None, untilTime: Option[DateTime] = None, entityType: Option[String] = None, entityId: Option[String] = None, eventNames: Option[Seq[String]] = None, targetEntityType: Option[Option[String]] = None, targetEntityId: Option[Option[String]] = None, limit: Option[Int] = None, reversed: Option[Boolean] = None)(implicit ec: ExecutionContext): Future[Iterator[Event]]

    :: DeveloperApi :: Reads from database and returns a Future of Iterator of Events.

    :: DeveloperApi :: Reads from database and returns a Future of Iterator of Events.

    appId

    return events of this app ID

    channelId

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

    startTime

    return events with eventTime >= startTime

    untilTime

    return events with eventTime < untilTime

    entityType

    return events of this entityType

    entityId

    return events of this entityId

    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.
    limit

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

    reversed

    Reverse the order.

    • return oldest events first if None or Some(false) (default)
    • return latest events first if Some(true)
    ec

    ExecutionContext

    returns

    Future[Iterator[Event]]

    Annotations
    @DeveloperApi()

  4. abstract def futureGet(eventId: String, appId: Int, channelId: Option[Int])(implicit ec: ExecutionContext): Future[Option[Event]]

    :: DeveloperApi :: Get an Event in a non-blocking fashion.

    :: DeveloperApi :: Get an Event in a non-blocking fashion.

    eventId

    ID of the Event

    appId

    ID of the app that contains the Event

    channelId

    Optional channel ID that contains the Event

    Annotations
    @DeveloperApi()

  5. abstract def futureInsert(event: Event, appId: Int, channelId: Option[Int])(implicit ec: ExecutionContext): Future[String]

    :: DeveloperApi :: Insert an Event in a non-blocking fashion.

    :: DeveloperApi :: Insert an Event in a non-blocking fashion.

    event

    An Event to be inserted

    appId

    App ID for the Event to be inserted to

    channelId

    Optional channel ID for the Event to be inserted to

    Annotations
    @DeveloperApi()

  6. abstract def init(appId: Int, channelId: Option[Int] = None): Boolean

    :: DeveloperApi :: Initialize Event Store for an app ID and optionally a channel ID.

    :: DeveloperApi :: Initialize Event Store for an app ID and optionally a channel ID. This routine is to be called when an app is first created.

    appId

    App ID

    channelId

    Optional channel ID

    returns

    true if initialization was successful; false otherwise.

    Annotations
    @DeveloperApi()

  7. abstract def remove(appId: Int, channelId: Option[Int] = None): Boolean

    :: DeveloperApi :: Remove Event Store for an app ID and optional channel ID.

    :: DeveloperApi :: Remove Event Store for an app ID and optional channel ID.

    appId

    App ID

    channelId

    Optional channel ID

    returns

    true if removal was successful; false otherwise.

    Annotations
    @DeveloperApi()

Concrete Value Members

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

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  2. final def !=(arg0: Any): 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. final def asInstanceOf[T0]: T0

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  7. def clone(): AnyRef

    Attributes
    protected[java.lang]
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    Annotations
    @throws( ... )

  8. val defaultTimeout: FiniteDuration

    Default timeout for asynchronous operations that is set to 1 minute

  9. final def eq(arg0: AnyRef): Boolean

    Definition Classes
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  10. def equals(arg0: Any): Boolean

    Definition Classes
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  11. def finalize(): Unit

    Attributes
    protected[java.lang]
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    Annotations
    @throws( classOf[java.lang.Throwable] )

  12. def futureDelete(eventId: String, appId: Int)(implicit ec: ExecutionContext): Future[Boolean]

    :: DeveloperApi :: Delete an Event in a non-blocking fashion.

    :: DeveloperApi :: Delete an Event in a non-blocking fashion.

    eventId

    ID of the Event

    appId

    ID of the app that contains the Event

    Annotations
    @DeveloperApi()

  13. def futureGet(eventId: String, appId: Int)(implicit ec: ExecutionContext): Future[Option[Event]]

    :: DeveloperApi :: Get an Event in a non-blocking fashion.

    :: DeveloperApi :: Get an Event in a non-blocking fashion.

    eventId

    ID of the Event

    appId

    ID of the app that contains the Event

    Annotations
    @DeveloperApi()

  14. def futureInsert(event: Event, appId: Int)(implicit ec: ExecutionContext): Future[String]

    :: DeveloperApi :: Insert an Event in a non-blocking fashion.

    :: DeveloperApi :: Insert an Event in a non-blocking fashion.

    event

    An Event to be inserted

    appId

    App ID for the Event to be inserted to

    Annotations
    @DeveloperApi()

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

    Definition Classes
    AnyRef → Any

  16. def hashCode(): Int

    Definition Classes
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  17. final def isInstanceOf[T0]: Boolean

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  18. final def ne(arg0: AnyRef): Boolean

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  19. final def notify(): Unit

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  20. final def notifyAll(): Unit

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  21. final def synchronized[T0](arg0: ⇒ T0): T0

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  22. def toString(): String

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  23. final def wait(): Unit

    Definition Classes
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    Annotations
    @throws( ... )

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

    Definition Classes
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    Annotations
    @throws( ... )

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

    Definition Classes
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    @throws( ... )

Deprecated Value Members

  1. def findSingleEntity(appId: Int, channelId: Option[Int] = None, entityType: String, entityId: String, eventNames: Option[Seq[String]] = None, targetEntityType: Option[Option[String]] = None, targetEntityId: Option[Option[String]] = None, startTime: Option[DateTime] = None, untilTime: Option[DateTime] = None, limit: Option[Int] = None, latest: Boolean = true, timeout: Duration = defaultTimeout)(implicit ec: ExecutionContext): Either[StorageError, Iterator[Event]]

    reads events of the specified entity.

    reads events of the specified entity.

    appId

    return events of this app ID

    channelId

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

    entityType

    return events of this entityType

    entityId

    return events of this entityId

    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 (default true)

    ec

    ExecutionContext

    returns

    Either[StorageError, Iterator[Event]]

    Annotations
    @deprecated
    Deprecated

    (Since version 0.9.2) Use LEventStore.findByEntity() instead.

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