org.grouplens.grapht.reflect

Interface SatisfactionVisitor<T>

Type Parameters:

T - The type returned from this satisfaction's values.

All Known Implementing Classes:

AbstractSatisfactionVisitor

public interface SatisfactionVisitor<T>

An interface for visiting Satisfactions.

Since:

0.5

Author:

GroupLens Research

See Also:

Satisfaction

Method Summary

Modifier and Type	Method and Description
T	visitClass(Class<?> clazz) Called when visiting a satisfaction that will instantiate a class.
T	visitInstance(Object instance) Called when visiting a satisfaction that will return a pre-configured instance.
T	visitNull() Called when visiting a null satisfaction.
T	visitProviderClass(Class<? extends javax.inject.Provider<?>> pclass) Called when visiting a satisfaction that will instantiate and invoke a provider class.
T	visitProviderInstance(javax.inject.Provider<?> provider) Called when visiting a satisfaction that will invoke a pre-instantiated provider.

Method Detail

visitNull

T visitNull()

Called when visiting a null satisfaction.

Returns:

The return value.

visitClass

T visitClass(Class<?> clazz)

Called when visiting a satisfaction that will instantiate a class.

Parameters:

clazz - The implementation class.

Returns:

The return value.

visitInstance

T visitInstance(Object instance)

Called when visiting a satisfaction that will return a pre-configured instance.

Parameters:

instance - The instance that will be returned. The visitor should not modify it in any way.

Returns:

The return value.

visitProviderClass

T visitProviderClass(Class<? extends javax.inject.Provider<?>> pclass)

Called when visiting a satisfaction that will instantiate and invoke a provider class.

Parameters:

pclass - The provider class.

Returns:

The return value.

visitProviderInstance

T visitProviderInstance(javax.inject.Provider<?> provider)

Called when visiting a satisfaction that will invoke a pre-instantiated provider.

Parameters:

provider - The provider instance. The visitor should not modify it in any way.

Returns:

The return value.