Package org.axonframework.axonserver.connector.query.subscription

Class SubscriptionMessageSerializer

java.lang.Object

org.axonframework.axonserver.connector.query.subscription.SubscriptionMessageSerializer

public class SubscriptionMessageSerializer
extends Object

Converter between Axon Framework SubscriptionQueryMessage, the initial QueryResponseMessage and the subsequent SubscriptionQueryUpdateMessage's and Axon Server gRPC SubscriptionQuery and SubscriptionQueryResponse. The latter is serviced by providing a QueryProviderOutbound wrapping the SubscriptionQueryResponse.

Since:

4.0

Author:

Sara Pellegrini

Constructor Summary

Constructors

Constructor	Description
SubscriptionMessageSerializer(Serializer messageSerializer, Serializer serializer, AxonServerConfiguration configuration)	Instantiate a serializer used to convert Axon SubscriptionQueryMessages, the initial QueryResponseMessage and the subsequent SubscriptionQueryUpdateMessages into Axon Server gRPC messages and vice versa.

Method Summary

Modifier and Type	Method	Description
<I> QueryResponseMessage<I>	deserialize(io.axoniq.axonserver.grpc.query.QueryResponse queryResponse)	Deserializes the given queryResponse into a QueryResponseMessage.
<U> SubscriptionQueryUpdateMessage<U>	deserialize(io.axoniq.axonserver.grpc.query.QueryUpdate queryUpdate)	Deserializes the given queryUpdate into a SubscriptionQueryUpdateMessage.
<Q, I, U> SubscriptionQueryMessage<Q,I,U>	deserialize(io.axoniq.axonserver.grpc.query.SubscriptionQuery subscriptionQuery)	Deserializes the given subscriptionQuery into a SubscriptionQueryMessage.
io.axoniq.axonserver.grpc.query.SubscriptionQuery	serialize(SubscriptionQueryMessage<?,?,?> subscriptionQueryMessage)	Deprecated. in through use of the AxonServer java connector
io.axoniq.axonserver.grpc.query.QueryUpdate	serialize(SubscriptionQueryUpdateMessage<?> subscriptionQueryUpdateMessage)	Serializes the given subscriptionQueryUpdateMessage into a QueryUpdate.
io.axoniq.axonserver.grpc.query.QueryRequest	serializeQuery(SubscriptionQueryMessage subscriptionQueryMessage)	Serializes the given subscriptionQueryMessage into a QueryRequest.
io.axoniq.axonserver.grpc.SerializedObject	serializeUpdateType(SubscriptionQueryMessage<?,?,?> subscriptionQueryMessage)	Serializes the given subscriptionQueryMessage into a SerializedObject.

Methods inherited from class java.lang.Object

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

Constructor Details

SubscriptionMessageSerializer

public SubscriptionMessageSerializer(Serializer messageSerializer,
 Serializer serializer,
 AxonServerConfiguration configuration)

Instantiate a serializer used to convert Axon SubscriptionQueryMessages, the initial QueryResponseMessage and the subsequent SubscriptionQueryUpdateMessages into Axon Server gRPC messages and vice versa.

Parameters:

messageSerializer - a Serializer used to de-/serialize an Axon Server gRPC message into SubscriptionQueryMessages, QueryResponseMessages and SubscriptionQueryUpdateMessages, and vice versa

serializer - a Serializer used to create a dedicated converter for a QueryMessage ResponseType

configuration - an AxonServerConfiguration used to set the configurable component id and name in the messages

Method Details

serializeQuery

public io.axoniq.axonserver.grpc.query.QueryRequest serializeQuery(SubscriptionQueryMessage subscriptionQueryMessage)

Serializes the given subscriptionQueryMessage into a QueryRequest.

Parameters:

subscriptionQueryMessage - the SubscriptionQueryMessage to serialize into a QueryRequest

Returns:

a QueryRequest based on the given subscriptionQueryMessage

serializeUpdateType

public io.axoniq.axonserver.grpc.SerializedObject serializeUpdateType(SubscriptionQueryMessage<?,?,?> subscriptionQueryMessage)

Serializes the given subscriptionQueryMessage into a SerializedObject.

Parameters:

subscriptionQueryMessage - the SubscriptionQueryMessage who's SubscriptionQueryMessage.getUpdateResponseType() to serialize into a SerializedObject

Returns:

a SerializedObject based on the given subscriptionQueryMessage its SubscriptionQueryMessage.getUpdateResponseType()

serialize

public io.axoniq.axonserver.grpc.query.QueryUpdate serialize(SubscriptionQueryUpdateMessage<?> subscriptionQueryUpdateMessage)

Serializes the given subscriptionQueryUpdateMessage into a QueryUpdate.

Parameters:

subscriptionQueryUpdateMessage - the SubscriptionQueryUpdateMessage to serialize into a QueryUpdate

Returns:

the QueryUpdate based on the given SubscriptionQueryUpdateMessage

deserialize

public <Q,
I,
U> SubscriptionQueryMessage<Q,I,U> deserialize(io.axoniq.axonserver.grpc.query.SubscriptionQuery subscriptionQuery)

Deserializes the given subscriptionQuery into a SubscriptionQueryMessage.

Type Parameters:

Q - the query type of the SubscriptionQueryMessage to return

I - the initial result type of the SubscriptionQueryMessage to return

U - the update type of the SubscriptionQueryMessage to return

Parameters:

subscriptionQuery - the SubscriptionQuery to deserialize into a SubscriptionQueryMessage

Returns:

the SubscriptionQueryMessage based on the given subscriptionQuery

deserialize

public <I> QueryResponseMessage<I> deserialize(io.axoniq.axonserver.grpc.query.QueryResponse queryResponse)

Deserializes the given queryResponse into a QueryResponseMessage. Typically used for the initial result of the subscription query.

Type Parameters:

I - the response type of the QueryResponseMessage to return

Parameters:

queryResponse - the QueryResponse to deserialize into a QueryResponseMessage

Returns:

a QueryResponseMessage based on the given QueryResponse

deserialize

public <U> SubscriptionQueryUpdateMessage<U> deserialize(io.axoniq.axonserver.grpc.query.QueryUpdate queryUpdate)

Deserializes the given queryUpdate into a SubscriptionQueryUpdateMessage.

Type Parameters:

U - the update type of the SubscriptionQueryUpdateMessage to return

Parameters:

queryUpdate - the QueryUpdate to deserialize into a SubscriptionQueryUpdateMessage

Returns:

a SubscriptionQueryUpdateMessage based on the given QueryUpdate

serialize

@Deprecated
public io.axoniq.axonserver.grpc.query.SubscriptionQuery serialize(SubscriptionQueryMessage<?,?,?> subscriptionQueryMessage)

Deprecated.

in through use of the AxonServer java connector

Convert a SubscriptionQueryMessage into a SubscriptionQuery.

Parameters:

subscriptionQueryMessage - the SubscriptionQueryMessage to convert into a SubscriptionQuery

Returns:

a SubscriptionQuery based on the provided subscriptionQueryMessage