org.fabric3.spi.discovery

Interface ConfigurationRegistry

public interface ConfigurationRegistry

Delegates to ConfigurationAgents to provide external configuration values.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getValue(java.lang.String key) Returns the value for the key or null if not found.
void	registerListener(java.lang.String key, java.util.function.Consumer<java.lang.String> listener) Registers a value change listener
void	unregisterListener(java.lang.String key, java.util.function.Consumer<java.lang.String> listener) Un-Registers a value change listener

Method Detail

getValue

java.lang.String getValue(java.lang.String key)

Returns the value for the key or null if not found.

Parameters:

key - the key

Returns:

the value or null

registerListener

void registerListener(java.lang.String key,
                      java.util.function.Consumer<java.lang.String> listener)

Registers a value change listener

Parameters:

key - the key to listen for

listener - the callback to invoke when a value changes

unregisterListener

void unregisterListener(java.lang.String key,
                        java.util.function.Consumer<java.lang.String> listener)

Un-Registers a value change listener

Parameters:

key - the key to listen for

listener - the listener