Package org.int4.dirk.core.definition

Class ExtendedScopeResolver

java.lang.Object

org.int4.dirk.core.definition.ExtendedScopeResolver

All Implemented Interfaces:

ScopeResolver

public class ExtendedScopeResolver
extends java.lang.Object
implements ScopeResolver

Wrapper for ScopeResolver with additional information useful for the internal workings of the injector framework.

Constructor Summary

Constructors

Constructor	Description
ExtendedScopeResolver(ScopeResolver delegate, boolean isPseudoScope, boolean isDependentScope)	Constructs a new instance.

Method Summary

Modifier and Type	Method	Description
CreationalContext<?>	find(java.lang.Object key)	Find an existing CreationalContext by key in the current active scope, or return null if no context was found in the given scope with the given key.
java.lang.annotation.Annotation	getAnnotation()	Returns the annotation this resolver handles.
boolean	isActive()	Returns true when this scope is currently active, otherwise false.
boolean	isDependentScope()	Returns whether this ScopeResolver represents the dependent pseudo-scope.
boolean	isPseudoScope()	Returns whether this ScopeResolver represents a pseudo-scope.
void	put(java.lang.Object key, CreationalContext<?> creationalContext)	Adds a CreationalContext to this scope resolver under the given key.
void	remove(java.lang.Object key)	Removes the given key from this scope resolver.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtendedScopeResolver

public ExtendedScopeResolver(ScopeResolver delegate,
                             boolean isPseudoScope,
                             boolean isDependentScope)

Constructs a new instance.

Parameters:

delegate - a delegate ScopeResolver, cannot be null

isPseudoScope - whether the delegate represents a pseudo-scope

isDependentScope - whether the delegate represents the dependent scope

Method Detail

isPseudoScope

public boolean isPseudoScope()

Returns whether this ScopeResolver represents a pseudo-scope.

Returns:

true if it represents a pseudo-scope, otherwise false

isDependentScope

public boolean isDependentScope()

Returns whether this ScopeResolver represents the dependent pseudo-scope.

Returns:

true if it represents the dependent pseudo-scope, otherwise false

getAnnotation

public java.lang.annotation.Annotation getAnnotation()

Description copied from interface: ScopeResolver

Returns the annotation this resolver handles. Returns null when the handler handles unscoped injectables.

Specified by:

getAnnotation in interface ScopeResolver

Returns:

the annotation this resolver handles, never null

isActive

public boolean isActive()

Description copied from interface: ScopeResolver

Returns true when this scope is currently active, otherwise false.

Specified by:

isActive in interface ScopeResolver

Returns:

true when this scope is currently active, otherwise false

find

public CreationalContext<?> find(java.lang.Object key)
                          throws ScopeNotActiveException

Description copied from interface: ScopeResolver

Find an existing CreationalContext by key in the current active scope, or return null if no context was found in the given scope with the given key.

Specified by:

find in interface ScopeResolver

Parameters:

key - an object suitable as a key for use in a map, cannot be null

Returns:

a CreationalContext if found, otherwise null

Throws:

ScopeNotActiveException - when there is no scope active

put

public void put(java.lang.Object key,
                CreationalContext<?> creationalContext)
         throws ScopeNotActiveException

Description copied from interface: ScopeResolver

Adds a CreationalContext to this scope resolver under the given key.

Specified by:

put in interface ScopeResolver

Parameters:

key - an object suitable as a key for use in a map, cannot be null

creationalContext - a CreationalContext, cannot be null

Throws:

ScopeNotActiveException - when there is no scope active

remove

public void remove(java.lang.Object key)

Description copied from interface: ScopeResolver

Removes the given key from this scope resolver.

Specified by:

remove in interface ScopeResolver

Parameters:

key - an object suitable as a key for use in a map, cannot be null