Package akka.cluster.sharding.typed.internal

Class ExtractorAdapter<E,M>

java.lang.Object

akka.cluster.sharding.typed.ShardingMessageExtractor<java.lang.Object,M>

akka.cluster.sharding.typed.internal.ExtractorAdapter<E,M>

public class ExtractorAdapter<E,M>
extends ShardingMessageExtractor<java.lang.Object,M>

INTERNAL API Extracts entityId and unwraps ShardingEnvelope and StartEntity messages. Other messages are delegated to the given ShardingMessageExtractor.

Constructor Summary

Constructors

Constructor	Description
ExtractorAdapter(ShardingMessageExtractor<E,M> delegate)

Method Summary

Modifier and Type	Method	Description
java.lang.String	entityId(java.lang.Object message)
java.lang.String	shardId(java.lang.String entityId)	The shard identifier for a given entity id.
java.lang.String	toString()
M	unwrapMessage(java.lang.Object message)	Extract the message to send to the entity from an incoming message.

Methods inherited from class akka.cluster.sharding.typed.ShardingMessageExtractor

apply, noEnvelope

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ExtractorAdapter

public ExtractorAdapter(ShardingMessageExtractor<E,M> delegate)

Method Detail

entityId

public java.lang.String entityId(java.lang.Object message)

Specified by:

entityId in class ShardingMessageExtractor<java.lang.Object,M>

shardId

public java.lang.String shardId(java.lang.String entityId)

Description copied from class: ShardingMessageExtractor

The shard identifier for a given entity id. Only messages that passed the ShardingMessageExtractor.entityId(E) function will be used as input to this function.

Specified by:

shardId in class ShardingMessageExtractor<java.lang.Object,M>

Parameters:

entityId - (undocumented)

Returns:

(undocumented)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

unwrapMessage

public M unwrapMessage(java.lang.Object message)

Description copied from class: ShardingMessageExtractor

Extract the message to send to the entity from an incoming message. Note that the extracted message does not have to be the same as the incoming message to support wrapping in message envelope that is unwrapped before sending to the entity actor.

Specified by:

unwrapMessage in class ShardingMessageExtractor<java.lang.Object,M>

Parameters:

message - (undocumented)

Returns:

(undocumented)