org.axonframework.queryhandling

Class DefaultSubscriptionQueryResult<I,U>

java.lang.Object

org.axonframework.queryhandling.DefaultSubscriptionQueryResult<I,U>

Type Parameters:

I - The type of initial result

U - The type of incremental updates

All Implemented Interfaces:

AutoCloseable, Registration, SubscriptionQueryResult<I,U>

public class DefaultSubscriptionQueryResult<I,U>
extends Object
implements SubscriptionQueryResult<I,U>

Default implementation of SubscriptionQueryResult.

Since:

3.3

Author:

Milan Savic

Field Summary

Fields inherited from interface org.axonframework.queryhandling.SubscriptionQueryResult

logger

Constructor Summary

Constructors

Constructor and Description
DefaultSubscriptionQueryResult(reactor.core.publisher.Mono<I> initialResult, reactor.core.publisher.Flux<U> updates, Registration registrationDelegate) Initializes the result with mono and flux used for result retrieval.

Method Summary

Modifier and Type	Method and Description
boolean	cancel() Cancels this Registration.
reactor.core.publisher.Mono<I>	initialResult() Subscribing to this mono will trigger invocation of query handler.
reactor.core.publisher.Flux<U>	updates() When there is an update to the subscription query, it will be emitted to this flux.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.axonframework.queryhandling.SubscriptionQueryResult

handle, handle

Methods inherited from interface org.axonframework.common.Registration

close

Constructor Detail

DefaultSubscriptionQueryResult

public DefaultSubscriptionQueryResult(reactor.core.publisher.Mono<I> initialResult,
                                      reactor.core.publisher.Flux<U> updates,
                                      Registration registrationDelegate)

Initializes the result with mono and flux used for result retrieval.

Parameters:

initialResult - mono representing initial result

updates - flux representing incremental updates

registrationDelegate - delegate which cancels the registration of this result

Method Detail

initialResult

public reactor.core.publisher.Mono<I> initialResult()

Description copied from interface: SubscriptionQueryResult

Subscribing to this mono will trigger invocation of query handler. The return value of that query handler will be passed to the mono, once it's ready.

Specified by:

initialResult in interface SubscriptionQueryResult<I,U>

Returns:

the mono representing the initial result

updates

public reactor.core.publisher.Flux<U> updates()

Description copied from interface: SubscriptionQueryResult

When there is an update to the subscription query, it will be emitted to this flux.

Specified by:

updates in interface SubscriptionQueryResult<I,U>

Returns:

the flux representing the incremental updates

cancel

public boolean cancel()

Description copied from interface: Registration

Cancels this Registration. If the Registration was already cancelled, no action is taken.

Specified by:

cancel in interface Registration

Returns:

true if this handler is successfully deregistered, false if this handler was not currently registered.