Module io.inverno.mod.discovery

Package io.inverno.mod.discovery

Class CompositeDiscoveryService<A extends ServiceInstance,B,C extends TrafficPolicy<A,B>>

java.lang.Object

io.inverno.mod.discovery.CompositeDiscoveryService<A,B,C>

Type Parameters:

A - the type of service instance

B - the type of service request

C - the type of traffic policy

All Implemented Interfaces:

DiscoveryService<A,B,C>

public class CompositeDiscoveryService<A extends ServiceInstance,B,C extends TrafficPolicy<A,B>>
extends Object
implements DiscoveryService<A,B,C>

A composite discovery service composing multiple discovery services.

Since:

1.12

Author:

Jeremy Kuhn

Constructor Summary

Constructors

Constructor	Description
CompositeDiscoveryService(List<? extends DiscoveryService<? extends A,? super B,? super C>> discoveryServices)	Creates a composite discovery service.

Method Summary

Modifier and Type	Method	Description
Set<String>	getSupportedSchemes()	Returns the list of schemes supported by the discovery service.
Mono<? extends Service<A,B,C>>	resolve(ServiceID serviceId, C trafficPolicy)	Resolves a service.
boolean	supports(String scheme)	Determines whether the discovery service supports the specified scheme.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.inverno.mod.discovery.DiscoveryService

supports, supports

Constructor Details

CompositeDiscoveryService

public CompositeDiscoveryService(List<? extends DiscoveryService<? extends A,? super B,? super C>> discoveryServices)
                          throws IllegalArgumentException

Creates a composite discovery service.

Parameters:

discoveryServices - a list of discovery services to compose

Throws:

IllegalArgumentException - if the same scheme is supported by multiple discovery services

Method Details

supports

public boolean supports(String scheme)

Description copied from interface: DiscoveryService

Determines whether the discovery service supports the specified scheme.

Specified by:

supports in interface DiscoveryService<A extends ServiceInstance,B,C extends TrafficPolicy<A,B>>

Parameters:

scheme - a URI scheme

Returns:

true if the discovery service can resolve service URI with the specified scheme, false otherwise

getSupportedSchemes

public Set<String> getSupportedSchemes()

Description copied from interface: DiscoveryService

Returns the list of schemes supported by the discovery service.

Specified by:

getSupportedSchemes in interface DiscoveryService<A extends ServiceInstance,B,C extends TrafficPolicy<A,B>>

Returns:

a set of lower cased schemes

resolve

public Mono<? extends Service<A,B,C>> resolve(ServiceID serviceId,
 C trafficPolicy)

Description copied from interface: DiscoveryService

Resolves a service.

Specified by:

resolve in interface DiscoveryService<A extends ServiceInstance,B,C extends TrafficPolicy<A,B>>

Parameters:

serviceId - a service ID

trafficPolicy - a traffic policy

Returns:

a Mono emitting the resolved service or an empty Mono if no service could be resolved