org.axonframework.queryhandling

Class DefaultQueryGateway.Builder

java.lang.Object

org.axonframework.queryhandling.DefaultQueryGateway.Builder

Enclosing class:

DefaultQueryGateway

public static class DefaultQueryGateway.Builder
extends Object

Builder class to instantiate a DefaultQueryGateway.

The dispatchInterceptors is defaulted to an empty list. The QueryBus is a hard requirement and as such should be provided.

Constructor Summary

Constructors

Constructor and Description
Builder()

Method Summary

Modifier and Type	Method and Description
DefaultQueryGateway	build() Initializes a DefaultQueryGateway as specified through this Builder.
DefaultQueryGateway.Builder	dispatchInterceptors(List<MessageDispatchInterceptor<? super QueryMessage<?,?>>> dispatchInterceptors) Sets the List of MessageDispatchInterceptors for QueryMessages.
DefaultQueryGateway.Builder	dispatchInterceptors(MessageDispatchInterceptor<? super QueryMessage<?,?>>... dispatchInterceptors) Sets the List of MessageDispatchInterceptors for QueryMessages.
DefaultQueryGateway.Builder	queryBus(QueryBus queryBus) Sets the QueryBus to deliver QueryMessages on received in this QueryGateway implementation.
protected void	validate() Validates whether the fields contained in this Builder are set accordingly.

Methods inherited from class java.lang.Object

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

Constructor Detail

Builder

public Builder()

Method Detail

queryBus

public DefaultQueryGateway.Builder queryBus(@Nonnull
                                            QueryBus queryBus)

Sets the QueryBus to deliver QueryMessages on received in this QueryGateway implementation.

Parameters:

queryBus - a QueryBus to deliver QueryMessages on received in this QueryGateway implementation

Returns:

the current Builder instance, for fluent interfacing

dispatchInterceptors

public DefaultQueryGateway.Builder dispatchInterceptors(MessageDispatchInterceptor<? super QueryMessage<?,?>>... dispatchInterceptors)

Sets the List of MessageDispatchInterceptors for QueryMessages. Are invoked when a query is being dispatched.

Parameters:

dispatchInterceptors - which are invoked when a query is being dispatched

Returns:

the current Builder instance, for fluent interfacing

dispatchInterceptors

public DefaultQueryGateway.Builder dispatchInterceptors(List<MessageDispatchInterceptor<? super QueryMessage<?,?>>> dispatchInterceptors)

Sets the List of MessageDispatchInterceptors for QueryMessages. Are invoked when a query is being dispatched.

Parameters:

dispatchInterceptors - which are invoked when a query is being dispatched

Returns:

the current Builder instance, for fluent interfacing

build

public DefaultQueryGateway build()

Initializes a DefaultQueryGateway as specified through this Builder.

Returns:

a DefaultQueryGateway as specified through this Builder

validate

protected void validate()
                 throws AxonConfigurationException

Validates whether the fields contained in this Builder are set accordingly.

Throws:

AxonConfigurationException - if one field is asserted to be incorrect according to the Builder's specifications