Class HashCodeMessageExtractor

Convenience implementation of IMessageExtractor that construct ShardId based on the StringHash(String) of the EntityId. The number of unique shards is limited by the given MaxNumberOfShards.

Inheritance
Object
HashCodeMessageExtractor
Implements
Inherited Members
Namespace: Akka.Cluster.Sharding
Assembly: Akka.Cluster.Sharding.dll
Syntax
public abstract class HashCodeMessageExtractor : IMessageExtractor

Constructors

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HashCodeMessageExtractor(Int32)

TBD

Declaration
protected HashCodeMessageExtractor(int maxNumberOfShards)
Parameters
Type Name Description
Int32 maxNumberOfShards

TBD

Fields

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MaxNumberOfShards

TBD

Declaration
public readonly int MaxNumberOfShards
Field Value
Type Description
Int32

Methods

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Create(Int32, Func<Object, String>, Func<Object, Object>)

creates a instance of the HashCodeMessageExtractor with the given handlers

Declaration
public static HashCodeMessageExtractor Create(int maxNumberOfShards, Func<object, string> entityIdExtractor, Func<object, object> messageExtractor = null)
Parameters
Type Name Description
Int32 maxNumberOfShards
Func<Object, String> entityIdExtractor
Func<Object, Object> messageExtractor
Returns
Type Description
HashCodeMessageExtractor
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EntityId(Object)

TBD

Declaration
public abstract string EntityId(object message)
Parameters
Type Name Description
Object message

TBD
Returns
Type Description
String

TBD
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EntityMessage(Object)

Default implementation pass on the message as is.

Declaration
public virtual object EntityMessage(object message)
Parameters
Type Name Description
Object message

TBD
Returns
Type Description
Object

TBD
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ShardId(Object)

TBD

Declaration
[Obsolete("Use ShardId(string, object?) instead. Since v1.5.15")]
public virtual string ShardId(object message)
Parameters
Type Name Description
Object message

TBD
Returns
Type Description
String

TBD
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ShardId(String, Object)

Declaration
public virtual string ShardId(string entityId, object messageHint = null)
Parameters
Type Name Description
String entityId
Object messageHint
Returns
Type Description
String

Implements

Extension Methods