Module io.helidon.builder.api

Package io.helidon.builder.api

Interface Prototype.ConfiguredBuilder<BUILDER,PROTOTYPE>

Type Parameters:

BUILDER - type of the builder

PROTOTYPE - type of the prototype to be built

All Superinterfaces:

Prototype.Builder<BUILDER,PROTOTYPE>

Enclosing class:

Prototype

public static interface Prototype.ConfiguredBuilder<BUILDER,PROTOTYPE>
extends Prototype.Builder<BUILDER,PROTOTYPE>

Extension of Prototype.Builder that supports configuration. If a blueprint is marked as @Configured, build will accept configuration.

Method Summary

Modifier and Type	Method	Description
BUILDER	config(Config config)	Update builder from configuration.
default <S extends NamedService, T extends ConfiguredProvider<S>> List<S>	discoverServices(Config config, HelidonServiceLoader<T> serviceLoader, Class<T> providerType, Class<S> configType, boolean allFromServiceLoader)	Discover services from configuration.

Methods inherited from interface io.helidon.builder.api.Prototype.Builder

buildPrototype, resolveBuilder, self

Method Details

config

BUILDER config(Config config)

Update builder from configuration. Any configured option that is defined on this prototype will be checked in configuration, and if it exists, it will override current value for that option on this builder. Options that do not exist in the provided config will not impact current values. The config instance is kept and may be used in builder interceptor, it is not available in prototype implementation.

Parameters:

config - configuration to use

Returns:

updated builder instance

discoverServices

default <S extends NamedService,
T extends ConfiguredProvider<S>>
List<S> discoverServices(Config config,
 HelidonServiceLoader<T> serviceLoader,
 Class<T> providerType,
 Class<S> configType,
 boolean allFromServiceLoader)

Discover services from configuration.

Type Parameters:

S - type of the expected service

T - type of the configured service provider that creates instances of S

Parameters:

config - configuration located at the node of the service providers (either a list node, or object, where each child is one service)

serviceLoader - helidon service loader for the expected type

providerType - type of the service provider interface

configType - type of the configured service

allFromServiceLoader - whether all services from service loader should be used, or only the ones with configured node

Returns:

list of discovered services