Module io.helidon.config

Package io.helidon.config.spi

Interface ChangeWatcherProvider

All Known Implementing Classes:

EtcdWatcherProvider

public interface ChangeWatcherProvider

Java service loader service to create a polling strategy factory based on meta configuration.

Method Summary

Modifier and Type	Method	Description
ChangeWatcher<?>	create(String type, Config metaConfig)	Create an instance of the meta configurable using the provided meta configuration.
Set<String>	supported()	Return a set of supported types.
boolean	supports(String type)	Return true if this provider supports the type of meta-configurable object.

Method Details

supports

boolean supports(String type)

Return true if this provider supports the type of meta-configurable object.

Parameters:

type - type that is supported (such as file for ConfigSource meta configurable)

Returns:

true if this provider can create instances of the type

create

ChangeWatcher<?> create(String type,
 Config metaConfig)

Create an instance of the meta configurable using the provided meta configuration.

Parameters:

type - type of the meta configurable

metaConfig - meta configuration

Returns:

meta configurable configured from the metaConfig

supported

Set<String> supported()

Return a set of supported types. Used for error handling.

Returns:

a set of types supported by this provider