Trait/Object

com.lightbend.lagom.scaladsl.api.broker.kafka

PartitionKeyStrategy

Related Docs: object PartitionKeyStrategy | package kafka

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trait PartitionKeyStrategy[-Message] extends AnyRef

Defines an algorithm for producing a key from a Message.

Source
PartitionKeyStrategy.scala
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  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
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Abstract Value Members

  1. abstract def computePartitionKey(message: Message): String

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    Computes a key from a message.

    Computes a key from a message. The key is used to decide on what topic's partition a message should be published to.

    message

    The message to publish into a Kafka topic.

    returns

    A key used to decide on what topic's partition the passed message is published to.

Concrete Value Members

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

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  2. final def ##(): Int

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  3. def +(other: String): String

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    Implicit information
    This member is added by an implicit conversion from PartitionKeyStrategy[Message] to any2stringadd[PartitionKeyStrategy[Message]] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd

  4. def ->[B](y: B): (PartitionKeyStrategy[Message], B)

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    Implicit information
    This member is added by an implicit conversion from PartitionKeyStrategy[Message] to ArrowAssoc[PartitionKeyStrategy[Message]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()

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

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  6. final def asInstanceOf[T0]: T0

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  7. def clone(): AnyRef

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    protected[java.lang]
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    AnyRef
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    @throws( ... )

  8. def ensuring(cond: (PartitionKeyStrategy[Message]) ⇒ Boolean, msg: ⇒ Any): PartitionKeyStrategy[Message]

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    Implicit information
    This member is added by an implicit conversion from PartitionKeyStrategy[Message] to Ensuring[PartitionKeyStrategy[Message]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  9. def ensuring(cond: (PartitionKeyStrategy[Message]) ⇒ Boolean): PartitionKeyStrategy[Message]

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    Implicit information
    This member is added by an implicit conversion from PartitionKeyStrategy[Message] to Ensuring[PartitionKeyStrategy[Message]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  10. def ensuring(cond: Boolean, msg: ⇒ Any): PartitionKeyStrategy[Message]

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    Implicit information
    This member is added by an implicit conversion from PartitionKeyStrategy[Message] to Ensuring[PartitionKeyStrategy[Message]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  11. def ensuring(cond: Boolean): PartitionKeyStrategy[Message]

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    Implicit information
    This member is added by an implicit conversion from PartitionKeyStrategy[Message] to Ensuring[PartitionKeyStrategy[Message]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

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

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  13. def equals(arg0: Any): Boolean

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  14. def finalize(): Unit

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

  15. def formatted(fmtstr: String): String

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    Implicit information
    This member is added by an implicit conversion from PartitionKeyStrategy[Message] to StringFormat[PartitionKeyStrategy[Message]] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()

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

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  17. def hashCode(): Int

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  18. final def isInstanceOf[T0]: Boolean

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

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  20. final def notify(): Unit

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  21. final def notifyAll(): Unit

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

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  23. def toString(): String

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  24. final def wait(): Unit

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    @throws( ... )

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

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    @throws( ... )

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

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    Definition Classes
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    Annotations
    @throws( ... )

  27. def →[B](y: B): (PartitionKeyStrategy[Message], B)

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    Implicit information
    This member is added by an implicit conversion from PartitionKeyStrategy[Message] to ArrowAssoc[PartitionKeyStrategy[Message]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd from PartitionKeyStrategy[Message] to any2stringadd[PartitionKeyStrategy[Message]]

Inherited by implicit conversion StringFormat from PartitionKeyStrategy[Message] to StringFormat[PartitionKeyStrategy[Message]]

Inherited by implicit conversion Ensuring from PartitionKeyStrategy[Message] to Ensuring[PartitionKeyStrategy[Message]]

Inherited by implicit conversion ArrowAssoc from PartitionKeyStrategy[Message] to ArrowAssoc[PartitionKeyStrategy[Message]]

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