Uses of Interface
io.helidon.config.Config

Packages that use Config

Package	Description
io.helidon.config	Provides interfaces and classes for loading and working with immutable, tree-structured configuration data.
io.helidon.config.spi	Configuration SPI that defines the behavior developers can implement to extend the config system.

Uses of Config in io.helidon.config

Methods in io.helidon.config that return Config

Modifier and Type	Method and Description
Config	Config.Builder.build() Builds new instance of Config.
static Config	Config.create() Returns a new default Config loaded using one of the configuration files available on the classpath and/or using the runtime environment.
static Config	Config.create(Supplier<ConfigSource>... configSources) Creates a new Config loaded from environment variables, system properties, and the specified ConfigSources.
Config	Config.detach() Returns a copy of the Config node with no parent.
static Config	Config.empty() Returns empty instance of Config.
static Config	Config.empty(Config config) Create an empty configuration with mappers copied from another config.
Config	Config.get(Config.Key key) Returns the single sub-node for the specified sub-key.
default Config	Config.get(String key) Returns the single sub-node for the specified sub-key.
Config	Config.Context.last() Returns instance of Config node related to same Config key as original node used to get Context from.
static Config	Config.loadSourcesFrom(Supplier<ConfigSource>... metaSources) Creates a new Config loaded from the specified ConfigSources representing meta-configurations.
Config	Config.Context.reload() Requests reloading of whole configuration and returns new instance of Config node related to same Config key as original node used to get Context from.

Methods in io.helidon.config that return types with arguments of type Config

Modifier and Type	Method and Description
default ConfigValue<Config>	Config.asNode() Returns existing current config node as a Optional instance or Optional.empty() in case of Config.Type.MISSING node.
ConfigValue<List<Config>>	Config.asNodeList() Returns a list of child Config nodes if the node is Config.Type.OBJECT.
Function<Config,ConfigFilter>	ConfigFilters.ValueResolvingBuilder.build() Creates a function of values reference resolving.
default Flow.Publisher<Config>	Config.changes() Deprecated.
Function<Config,ConfigFilter>	ConfigFilters.ValueResolvingBuilder.get()
default Stream<Config>	Config.traverse() Iterative deepening depth-first traversal of the node and its subtree as a Stream<Config>.
Stream<Config>	Config.traverse(Predicate<Config> predicate) Iterative deepening depth-first traversal of the node and its subtree as a Stream<Config>, qualified by the specified predicate.

Methods in io.helidon.config with parameters of type Config

Modifier and Type	Method and Description
static ConfigFilters.ValueResolvingBuilder	ConfigFilters.ValueResolvingBuilder.create(Config metaConfig) Initializes config filter instance from configuration properties.
static ConfigSource	ConfigSources.create(Config config) Returns a ConfigSource that contains the same configuration model as the provided config.
static PollingStrategies.ScheduledBuilder	PollingStrategies.ScheduledBuilder.create(Config metaConfig) Initializes polling strategy instance from configuration properties.
static RetryPolicies.Builder	RetryPolicies.Builder.create(Config metaConfig) Initializes retry policy instance from configuration properties.
static Config	Config.empty(Config config) Create an empty configuration with mappers copied from another config.
static ConfigSources.CompositeBuilder	ConfigSources.load(Config metaConfig) Provides a ConfigSources.CompositeBuilder for creating a composite ConfigSource based on the ConfigSources returned by the provided meta-configuration.
Config.Builder	Config.Builder.mappersFrom(Config config) Add mappers from another config instance.
static Map<String,String>	ConfigMappers.toMap(Config config) Transform all leaf nodes (values) into Map instance.
static Properties	ConfigMappers.toProperties(Config config) Transform all leaf nodes (values) into Properties instance.

Method parameters in io.helidon.config with type arguments of type Config

Modifier and Type	Method and Description
Config.Builder	Config.Builder.addFilter(Function<Config,ConfigFilter> configFilterProvider) Registers a ConfigFilter provider as a Function<Config, ConfigFilter>.
Config.Builder	Config.Builder.addFilter(Supplier<Function<Config,ConfigFilter>> configFilterSupplier) Registers a ConfigFilter provider as a Supplier<Function<Config, ConfigFilter>>.
<T> Config.Builder	Config.Builder.addMapper(GenericType<T> type, Function<Config,T> mapper) Register a mapping function for specified GenericType.
<T> Config.Builder	Config.Builder.addMapper(Class<T> type, Function<Config,T> mapper) Registers mapping function for specified type.
<T> ConfigValue<T>	Config.as(Function<Config,T> mapper) Typed value as a ConfigValue created from factory method.
<T> ConfigValue<List<T>>	Config.asList(Function<Config,T> mapper) Returns this node as a list converting each list value using the provided mapper.
default void	Config.ifExists(Consumer<Config> action) Performs the given action with the config node if node exists, otherwise does nothing.
default void	Config.onChange(Consumer<Config> onChangeConsumer) Register a Consumer that is invoked each time a change occurs on whole Config or on a particular Config node.
default void	Config.onChange(Function<Config,Boolean> onNextFunction) Deprecated. use onChange(Consumer) instead
Stream<Config>	Config.traverse(Predicate<Config> predicate) Iterative deepening depth-first traversal of the node and its subtree as a Stream<Config>, qualified by the specified predicate.

Uses of Config in io.helidon.config.spi

Methods in io.helidon.config.spi that return types with arguments of type Config

Modifier and Type	Method and Description
default Map<GenericType<?>,BiFunction<Config,ConfigMapper,?>>	ConfigMapperProvider.genericTypeMappers() Returns a map of mapper functions associated with appropriate target type (GenericType<?>.
default <T> Optional<BiFunction<Config,ConfigMapper,T>>	ConfigMapperProvider.mapper(GenericType<T> type) Mapper for a specific generic type.
default <T> Optional<Function<Config,T>>	ConfigMapperProvider.mapper(Class<T> type) A simple mapping function from config node to a typed value based on the expected class.
Map<Class<?>,Function<Config,?>>	ConfigMapperProvider.mappers() Returns a map of mapper functions associated with appropriate target type (Class<?>.

Methods in io.helidon.config.spi with parameters of type Config

Modifier and Type	Method and Description
static ConfigSource	ConfigSource.create(Config metaConfig) Initializes a ConfigSource from meta-configuration.
static RetryPolicy	RetryPolicy.create(Config metaConfig) Constructs a RetryPolicy from meta-configuration.
protected B	AbstractConfigSource.Builder.init(Config metaConfig) Initialize builder from specified configuration properties.
protected B	AbstractParsableConfigSource.Builder.init(Config metaConfig) Initialize builder from specified configuration properties.
protected B	AbstractSource.Builder.init(Config metaConfig) Initialize builder from specified configuration properties.
default void	ConfigFilter.init(Config config) Initializes the filter using the Config instance which the filter will affect once Config.Builder.build completes.
<T> T	ConfigMapper.map(Config config, GenericType<T> type) Convert the specified Config node into the target type specified by GenericType.
<T> T	ConfigMapper.map(Config config, Class<T> type) Converts the specified Config node to the target type.