Package net.sf.jguiraffe.di
Interface Dependency
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- All Known Implementing Classes:
ClassDependency
,ConstantBeanProvider
,NameDependency
public interface Dependency
Definition of an interface for describing a dependency to another
in an abstract way.BeanProvider
BeanProvider
s often depend on other providers, e.g. some properties of the bean to be created need to be initialized with other beans. There are different ways of defining such dependencies: by specifying the name of the dependent bean, by specifying its class, etc. This interface provides a generic way of defining dependencies. It has aresolve()
method that can be implemented in a suitable way.- Version:
- $Id: Dependency.java 205 2012-01-29 18:29:57Z oheger $
- Author:
- Oliver Heger
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description BeanProvider
resolve(BeanStore store, DependencyProvider depProvider)
Resolves this dependency starting from the specifiedBeanStore
.
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Method Detail
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resolve
BeanProvider resolve(BeanStore store, DependencyProvider depProvider)
Resolves this dependency starting from the specifiedBeanStore
. A concrete implementation has to search for theBeanProvider
it depends on. If necessary, the given bean store's parent has to be searched recursively. TheDependencyProvider
can be used for querying further information about the current context, e.g. for resolving classes using predefined class loaders.- Parameters:
store
- the current bean storedepProvider
- the dependency provider- Returns:
- the resolved bean
- Throws:
InjectionException
- if resolving of the dependency fails
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