com.natpryce.konfig

Class Override

com.natpryce.konfig.Override

All Implemented Interfaces:

Configuration

public class Override
implements Configuration

Looks up configuration in override and, if the property is not defined there, looks it up in fallback.

Nested Class Summary

Nested classes/interfaces inherited from interface com.natpryce.konfig.Configuration

Configuration.DefaultImpls

Constructor Summary

Constructors

Constructor and Description
Override(Configuration override, Configuration fallback) Looks up configuration in override and, if the property is not defined there, looks it up in fallback.

Method Summary

Modifier and Type	Method and Description
boolean	contains(Key<?> key)
<T> T	get(Key<? extends T> key) Look up a property value identified by key, or throw class Misconfiguration if there is no definition of the property. Implementations can override missingPropertyMessage to provide a more detailed error message for the exception.
Configuration	getFallback()
<T> T	getOrElse(Key<? extends T> key, T p) Look up a property value identified by key, or return default with the key if there is no definition of the property.
<T> T	getOrElse(Key<? extends T> key, kotlin.jvm.functions.Function1<? super com.natpryce.konfig.Key<?extendsT>,? extends T> p) Look up a property value identified by key, or call default with the key if there is no definition of the property.
<T> T	getOrNull(Key<? extends T> key) Look up a property value identified by key, or return null if there is no definition of the property.
Configuration	getOverride()
NonExistentClass	list()
NonExistentClass	searchPath(Key<?> key) Report the locations that will be searched for a configuration property, in priority order. The value used is taken from the first location in the list that contains a mapping for the key.

Methods inherited from interface com.natpryce.konfig.Configuration

contains, get, getOrElse, getOrElse, getOrNull, list, searchPath

Constructor Detail

Override

public Override(Configuration override,
                Configuration fallback)

Looks up configuration in override and, if the property is not defined there, looks it up in fallback.

Method Detail

searchPath

public NonExistentClass searchPath(Key<?> key)

Report the locations that will be searched for a configuration property, in priority order. The value used is taken from the first location in the list that contains a mapping for the key.

getOrNull

public <T> T getOrNull(Key<? extends T> key)

Look up a property value identified by key, or return null if there is no definition of the property.

list

public NonExistentClass list()

getOverride

public Configuration getOverride()

getFallback

public Configuration getFallback()

get

public <T> T get(Key<? extends T> key)

Look up a property value identified by key, or throw class Misconfiguration if there is no definition of the property. Implementations can override missingPropertyMessage to provide a more detailed error message for the exception.

See Also:

class Misconfiguration

getOrElse

public <T> T getOrElse(Key<? extends T> key,
                       T p)

Look up a property value identified by key, or return default with the key if there is no definition of the property.

getOrElse

public <T> T getOrElse(Key<? extends T> key,
                       kotlin.jvm.functions.Function1<? super com.natpryce.konfig.Key<?extendsT>,? extends T> p)

Look up a property value identified by key, or call default with the key if there is no definition of the property.

contains

public boolean contains(Key<?> key)