Package org.picocontainer.behaviors
Class Guarded<T>
- java.lang.Object
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- org.picocontainer.behaviors.AbstractBehavior<T>
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- org.picocontainer.behaviors.Guarded<T>
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- Type Parameters:
T
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- All Implemented Interfaces:
java.io.Serializable
,Behavior<T>
,ComponentAdapter<T>
,ComponentLifecycle<T>
,ComponentMonitorStrategy
,LifecycleStrategy
public class Guarded<T> extends AbstractBehavior<T>
behaviour for allows components to be guarded by another component- Author:
- Paul Hammant
- See Also:
- Serialized Form
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.picocontainer.ComponentAdapter
ComponentAdapter.NOTHING
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Field Summary
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Fields inherited from class org.picocontainer.behaviors.AbstractBehavior
delegate
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Constructor Summary
Constructors Constructor Description Guarded(ComponentAdapter delegate, java.lang.String guard)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description T
getComponentInstance(PicoContainer container, java.lang.reflect.Type into)
Retrieve the component instance.java.lang.String
getDescriptor()
Get a string key descriptor of the component adapter for use in toString()-
Methods inherited from class org.picocontainer.behaviors.AbstractBehavior
accept, changeMonitor, componentHasLifecycle, currentMonitor, dispose, dispose, findAdapterOfType, getComponentImplementation, getComponentInstance, getComponentKey, getDelegate, hasLifecycle, isLazy, isStarted, start, start, stop, stop, toString, verify
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Constructor Detail
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Guarded
public Guarded(ComponentAdapter delegate, java.lang.String guard)
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Method Detail
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getComponentInstance
public T getComponentInstance(PicoContainer container, java.lang.reflect.Type into) throws PicoCompositionException
Description copied from interface:ComponentAdapter
Retrieve the component instance. This method will usually create a new instance each time it is called, but that is not required. For example,Cached
will always return the same instance.- Specified by:
getComponentInstance
in interfaceComponentAdapter<T>
- Overrides:
getComponentInstance
in classAbstractBehavior<T>
- Parameters:
container
- thePicoContainer
, that is used to resolve any possible dependencies of the instance.into
- the class that is about to be injected into. Use ComponentAdapter.NOTHING.class if this is not important to you.- Returns:
- the component instance.
- Throws:
PicoCompositionException
- if the component has dependencies which could not be resolved, or instantiation of the component lead to an ambiguous situation within the container.
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getDescriptor
public java.lang.String getDescriptor()
Description copied from interface:ComponentAdapter
Get a string key descriptor of the component adapter for use in toString()- Returns:
- the descriptor
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