Package io.javaoperatorsdk.operator.config.loader

Interface ConfigProvider

All Known Implementing Classes:

AggregatePriorityListConfigProvider, EnvVarConfigProvider, PropertiesConfigProvider, YamlConfigProvider

public interface ConfigProvider

Method Summary

Modifier and Type	Method	Description
<T> Optional<T>	getValue(String key, Class<T> type)	Returns the value associated with key, converted to type, or an empty Optional if the key is not set.

Method Details

getValue

<T> Optional<T> getValue(String key,
 Class<T> type)

Returns the value associated with key, converted to type, or an empty Optional if the key is not set.

Type Parameters:

T - the value type

Parameters:

key - the dot-separated configuration key, e.g. josdk.cache.sync.timeout

type - the expected type of the value; supported types depend on the implementation

Returns:

an Optional containing the typed value, or empty if the key is absent

Throws:

IllegalArgumentException - if type is not supported by the implementation