info.magnolia.config.source

Class DefinitionProviderWrapperWithProxyFallback<T>

java.lang.Object

info.magnolia.config.registry.AbstractDefinitionProviderWrapper<T>

info.magnolia.config.registry.DefinitionProviderWrapper<T>

info.magnolia.config.source.DefinitionProviderWrapperWithProxyFallback<T>

Type Parameters:

T - the decorated definition type

All Implemented Interfaces:

DefinitionProvider<T>

Direct Known Subclasses:

MapBasedDefinitionProviderWrapper

public class DefinitionProviderWrapperWithProxyFallback<T>
extends DefinitionProviderWrapper<T>

Encourages get() method implementation in such a way that it's result uses a 'decorated super-result' as a safety net for unsuccessful method calls.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DefinitionProviderWrapperWithProxyFallback.DirectDelegator Merely delegates to the bean coming from the wrapped definition provider.
static class	DefinitionProviderWrapperWithProxyFallback.FallbackInterceptor Delegates to the bean coming from the wrapped definition provider or to the fallback definition in case the return value is null.
static interface	DefinitionProviderWrapperWithProxyFallback.WithDelegate<T> Allows to set a main delegate for the wrapper (decorated definition).
static interface	DefinitionProviderWrapperWithProxyFallback.WithFallback<T> Allows to set a fallback for the decorated definition method invocations.

Nested classes/interfaces inherited from interface info.magnolia.config.registry.DefinitionProvider

DefinitionProvider.Problem

Field Summary

Fields

Modifier and Type	Field and Description
static String	DELEGATE_FIELD_NAME
static String	FALLBACK_FIELD_NAME

Constructor Summary

Constructors

Constructor and Description
DefinitionProviderWrapperWithProxyFallback(DefinitionProvider<T> delegate, T fallbackDefinition)

Method Summary

Modifier and Type	Method and Description
protected T	doGet()
T	get() Returns the underlying bean if and only if it is successfully resolved, is valid, and is enabled.

Methods inherited from class info.magnolia.config.registry.DefinitionProviderWrapper

getDelegate

Methods inherited from class info.magnolia.config.registry.AbstractDefinitionProviderWrapper

getDecorators, getErrorMessages, getLastModified, getMetadata, getProblems, getRaw, isValid

Methods inherited from class java.lang.Object

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

Field Detail

FALLBACK_FIELD_NAME

public static final String FALLBACK_FIELD_NAME

See Also:

Constant Field Values

DELEGATE_FIELD_NAME

public static final String DELEGATE_FIELD_NAME

See Also:

Constant Field Values

Constructor Detail

DefinitionProviderWrapperWithProxyFallback

public DefinitionProviderWrapperWithProxyFallback(DefinitionProvider<T> delegate,
                                                  T fallbackDefinition)

Method Detail

get

public final T get()

Description copied from interface: DefinitionProvider

Returns the underlying bean if and only if it is successfully resolved, is valid, and is enabled.

Specified by:

get in interface DefinitionProvider<T>

Overrides:

get in class AbstractDefinitionProviderWrapper<T>

doGet

protected T doGet()