Class/Object

akka.cluster.sharding.ShardRegion

HashCodeMessageExtractor

Related Docs: object HashCodeMessageExtractor | package ShardRegion

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abstract class HashCodeMessageExtractor extends MessageExtractor

Convenience implementation of ShardRegion.MessageExtractor that construct shardId based on the hashCode of the entityId. The number of unique shards is limited by the given maxNumberOfShards.

Source
ShardRegion.scala
Linear Supertypes
MessageExtractor, AnyRef, Any
Type Hierarchy
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Inherited
  1. HashCodeMessageExtractor
  2. MessageExtractor
  3. AnyRef
  4. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new HashCodeMessageExtractor(maxNumberOfShards: Int)

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Abstract Value Members

  1. abstract def entityId(message: Any): String

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    Extract the entity id from an incoming message.

    Extract the entity id from an incoming message. If null is returned the message will be unhandled, i.e. posted as Unhandled messages on the event stream

    Definition Classes
    MessageExtractor

Concrete Value Members

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

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any

  3. def +(other: String): String

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

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

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

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

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    Definition Classes
    AnyRef → Any

  6. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  7. def clone(): AnyRef

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

  8. def ensuring(cond: (HashCodeMessageExtractor) ⇒ Boolean, msg: ⇒ Any): HashCodeMessageExtractor

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

  9. def ensuring(cond: (HashCodeMessageExtractor) ⇒ Boolean): HashCodeMessageExtractor

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

  10. def ensuring(cond: Boolean, msg: ⇒ Any): HashCodeMessageExtractor

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

  11. def ensuring(cond: Boolean): HashCodeMessageExtractor

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

  12. def entityMessage(message: Any): Any

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    Default implementation pass on the message as is.

    Default implementation pass on the message as is.

    Definition Classes
    HashCodeMessageExtractor → MessageExtractor

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

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    Definition Classes
    AnyRef

  14. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  15. def finalize(): Unit

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

  16. def formatted(fmtstr: String): String

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

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

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    Definition Classes
    AnyRef → Any

  18. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  19. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

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

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    Definition Classes
    AnyRef

  21. final def notify(): Unit

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    Definition Classes
    AnyRef

  22. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

  23. def shardId(message: Any): String

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    Extract the shard id from an incoming message.

    Extract the shard id from an incoming message. Only messages that passed the #entityId function will be used as input to this function.

    Definition Classes
    HashCodeMessageExtractor → MessageExtractor

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

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    Definition Classes
    AnyRef

  25. def toString(): String

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    Definition Classes
    AnyRef → Any

  26. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  29. def →[B](y: B): (HashCodeMessageExtractor, B)

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

Inherited from MessageExtractor

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd from HashCodeMessageExtractor to any2stringadd[HashCodeMessageExtractor]

Inherited by implicit conversion StringFormat from HashCodeMessageExtractor to StringFormat[HashCodeMessageExtractor]

Inherited by implicit conversion Ensuring from HashCodeMessageExtractor to Ensuring[HashCodeMessageExtractor]

Inherited by implicit conversion ArrowAssoc from HashCodeMessageExtractor to ArrowAssoc[HashCodeMessageExtractor]

Ungrouped