Package org.jvnet.hk2.internal
Class SystemInjecteeImpl
- java.lang.Object
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- org.jvnet.hk2.internal.SystemInjecteeImpl
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
equals(Object o)
Class<?>
getInjecteeClass()
Returns the parent class for this injectee.ActiveDescriptor<?>
getInjecteeDescriptor()
This returns the ActiveDescriptor of the injectee if it is knownAnnotatedElement
getParent()
If this Injectee is in a constructor this will return the constructor being injected into.int
getPosition()
If this Injectee is a constructor or method parameter, this will return the index of the parameter.Set<Annotation>
getRequiredQualifiers()
This is the set of required qualifiers for this injectee.Type
getRequiredType()
This is the required type of the injectee.Unqualified
getUnqualified()
This method returns theUnqualified
annotation if it is present on the injection point.int
hashCode()
boolean
isOptional()
This method returns true if this injection point is annotated with VOptional.boolean
isSelf()
This method returns true if this injection point is annotated with VSelf.String
toString()
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Method Detail
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getRequiredType
public Type getRequiredType()
Description copied from interface:Injectee
This is the required type of the injectee. The object that is injected into this point must be type-safe with regards to this type- Specified by:
getRequiredType
in interfaceInjectee
- Returns:
- The type that this injectee is expecting. Any object injected into this injection point must be type-safe with regards to this type
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getRequiredQualifiers
public Set<Annotation> getRequiredQualifiers()
Description copied from interface:Injectee
This is the set of required qualifiers for this injectee. All of these qualifiers must be present on the implementation class of the object that is injected into this injectee. Note that the fields of the annotation must also match- Specified by:
getRequiredQualifiers
in interfaceInjectee
- Returns:
- Will not return null, but may return an empty set. The set of all qualifiers that must match.
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getPosition
public int getPosition()
Description copied from interface:Injectee
If this Injectee is a constructor or method parameter, this will return the index of the parameter. If this Injectee is a field, this will return -1- Specified by:
getPosition
in interfaceInjectee
- Returns:
- the position of the parameter, or -1 if this is a field
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getInjecteeClass
public Class<?> getInjecteeClass()
Description copied from interface:Injectee
Returns the parent class for this injectee. This is the class of the object that will be injected into. This field may return null if this is from a service lookup- Specified by:
getInjecteeClass
in interfaceInjectee
- Returns:
- The class of the object that will be injected into
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getParent
public AnnotatedElement getParent()
Description copied from interface:Injectee
If this Injectee is in a constructor this will return the constructor being injected into. If this Injectee is in a method this will return the method being injected into. If this injectee represents a field, this will return the field being injected into. This injectee may be neither in which case this will return null
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isOptional
public boolean isOptional()
Description copied from interface:Injectee
This method returns true if this injection point is annotated with VOptional. In this case if there is no definition for the injection point in the system it is allowable for the system to merely return null- Specified by:
isOptional
in interfaceInjectee
- Returns:
- true if the injection point is annotated with VOptional, false otherwise
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isSelf
public boolean isSelf()
Description copied from interface:Injectee
This method returns true if this injection point is annotated with VSelf. In this case the required type must have a raw class ofActiveDescriptor
, isOptional must be false and the set of required qualifiers must be empty
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getUnqualified
public Unqualified getUnqualified()
Description copied from interface:Injectee
This method returns theUnqualified
annotation if it is present on the injection point. This can be used to determine what qualifiers should NOT be given to the injection point.- Specified by:
getUnqualified
in interfaceInjectee
- Returns:
- The
Unqualified
annotation on the injection point, or null if there is noUnqualified
annotation on the injection point
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getInjecteeDescriptor
public ActiveDescriptor<?> getInjecteeDescriptor()
Description copied from interface:Injectee
This returns the ActiveDescriptor of the injectee if it is known- Specified by:
getInjecteeDescriptor
in interfaceInjectee
- Returns:
- The ActiveDescriptor of the injectee, or null if the parent is not known
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