Package io.confound.config

Class BaseChildConfigurationDecorator<C extends Configuration>

java.lang.Object

io.confound.config.AbstractConfiguration

io.confound.config.AbstractChildConfigurationDecorator<C>

io.confound.config.BaseChildConfigurationDecorator<C>

Type Parameters:

C - The type of configuration being decorated.

All Implemented Interfaces:

Configuration

Direct Known Subclasses:

ChildConfigurationDecorator

public abstract class BaseChildConfigurationDecorator<C extends Configuration>
extends AbstractChildConfigurationDecorator<C>

A base wrapper configuration that forwards calls to the decorated configuration, falling back to a parent configuration.

Author:

Garret Wilson

Field Summary

Fields inherited from interface io.confound.config.Configuration

KEY_SEGMENT_SEPARATOR

Constructor Summary

Constructors

Constructor	Description
BaseChildConfigurationDecorator(C configuration)	Wrapped configuration constructor.
BaseChildConfigurationDecorator(C configuration, C parentConfiguration)	Wrapped configuration and parent configuration constructor.

Method Summary

Modifier and Type	Method	Description
protected C	getConfiguration()	Returns the wrapped configuration.
protected java.util.Optional<C>	getParentConfiguration()

Methods inherited from class io.confound.config.AbstractChildConfigurationDecorator

findBoolean, findDouble, findInt, findLong, findObject, findObject, findPath, findString, findUri, getBoolean, getDouble, getInt, getLong, getObject, getObject, getPath, getString, getUri, hasConfigurationValue

Methods inherited from class io.confound.config.AbstractConfiguration

or

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.confound.config.Configuration

createMissingConfigurationKeyException, requireConfiguration, resolvePath, subConfiguration, superConfiguration, withFallback

Constructor Detail

BaseChildConfigurationDecorator

public BaseChildConfigurationDecorator(@Nonnull
                                       C configuration)

Wrapped configuration constructor.

Parameters:

configuration - The configuration to decorate.

Throws:

java.lang.NullPointerException - if the given configuration is null.

BaseChildConfigurationDecorator

public BaseChildConfigurationDecorator(@Nonnull
                                       C configuration,
                                       @Nonnull
                                       C parentConfiguration)

Wrapped configuration and parent configuration constructor.

Parameters:

configuration - The configuration to decorate.

parentConfiguration - The parent configuration to use for fallback lookup.

Throws:

java.lang.NullPointerException - if the given configuration and/or parent configuration is null.

Method Detail

getParentConfiguration

protected java.util.Optional<C> getParentConfiguration()

Specified by:

getParentConfiguration in class AbstractChildConfigurationDecorator<C extends Configuration>

Implementation Specification:

This version will never return Optional.empty().

Returns:

The parent configuration for fallback lookup.

getConfiguration

protected C getConfiguration()
                      throws ConfigurationException

Description copied from class: AbstractChildConfigurationDecorator

Returns the wrapped configuration.

Specified by:

getConfiguration in class AbstractChildConfigurationDecorator<C extends Configuration>

Returns:

The decorated configuration delegate instance.

Throws:

ConfigurationException - if there is an error retrieving the configuration.