Service Registry Reference

Service Registry Reference

The following section lists all services and modules that provide them.

Note: this is a work in progress, not listing the full set of contracts yet!

Service registry contracts

Contract (package, class)	Weight	Module	Description	Qualifiers
`io.helidon.common.config` `Config`	`80`	`io.helidon.common.config`	Empty config instance	N/A
`io.helidon.common.config` `Config`	`90`	`io.helidon.config`	Configuration either from meta configuration (config profiles), or from service registry	N/A
`io.helidon.config` `Config`	`90`	`io.helidon.config`	Configuration either from meta configuration (config profiles), or from service registry (same instance that implements `io.helidon.common.config.Config`)	N/A
`io.helidon.scheduling` `TaskManager`	`90`	`io.helidon.scheduling`	Management of scheduled tasks	N/A
`java.time` `Clock`	`90`	`io.helidon.validation`	Clock used to check calendar related constraints, defaults to current time-zone	N/A
`io.helidon.validation` `TypeValidation`	`90`	`io.helidon.validation`	Methods to validate type annotated with `@Validation.Validated`	N/A
`io.helidon.validation.spi` `ConstraintValidatorProvider`	`70`	`io.helidon.validation`	Constraint validator providers for each built-in constraint	Named by the constraint annotation type (for each built-in constraint)
`io.helidon.common.mapper` `Mappers`	`100`	`io.helidon.common.mapper`	Access to mappers, to map (convert) types	N/A
`io.helidon.common.mapper` `MapperProvider`	`0.1`	`io.helidon.common.mapper`	A provider of mappers	N/A
`io.helidon.common.mapper` `DefaultResolver`	`100`	`io.helidon.common.mapper`	Resolver of defaults annotation to a list of expected types	N/A
`*`	N/A	`io.helidon.config`	Injection point of a configured object	`@Configuration.Value`
`io.helidon.config` `MetaConfig`	`100`	`io.helidon.config`	Config "meta-configuration" - the whole content of a file, such as `meta-config.yaml`	N/A
`io.helidon.config` `MetaConfig`	`100`	`io.helidon.config`	Config source "meta-configuration" - section of the single config source	Named with a config type (i.e. `@Service.Named("file")`)
`io.helidon.webserver.http.spi` `ErrorHandlerProvider`	`100`	N/A	Error handler provider to add to WebServer	N/A
`io.helidon.webserver` `WebServer`	`100`	`io.helidon.webserver`	WebServer instance, only available in Helidon Declarative	N/A
`io.helidon.security` `Security`	`100`	`io.helidon.security`	Security	N/A
`io.helidon.health` `HealthCheck`	N/A	N/A	Health check instances to be added to WebServer health observer	N/A
`io.helidon.metrics.api` `MetricsFactory`	90	`io.helidon.metrics.api`	Factory of meter registries	N/A
`io.helidon.metrics.api` `MeterRegistry`	90	`io.helidon.metrics.api`	The "global" meter registry, can be used to create/get custom metrics that cannot be achieved through interception	N/A