public class InstanceField
extends java.lang.Object
Constructor and Description |
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InstanceField(java.lang.reflect.Field field,
java.lang.Object instance)
Create a new InstanceField.
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Modifier and Type | Method and Description |
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<A extends java.lang.annotation.Annotation> |
annotation(java.lang.Class<A> annotationClass)
Returns the annotation instance for the given annotation type.
|
boolean |
equals(java.lang.Object o) |
int |
hashCode() |
boolean |
isAnnotatedBy(java.lang.Class<? extends java.lang.annotation.Annotation> annotationClass)
Check if the field is annotated by the given annotation.
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boolean |
isNull()
Check that the field is not null.
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java.lang.reflect.Field |
jdkField()
Returns the JDK
Field instance. |
java.lang.String |
name()
Returns the name of the field.
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java.lang.Object |
read()
Safely read the field.
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void |
set(java.lang.Object value)
Set the given value to the field of this instance.
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public InstanceField(java.lang.reflect.Field field, java.lang.Object instance)
field
- The field that should be accessed, note that no checks are performed to ensure
the field belong to this instance class.instance
- The instance from which the field shall be accessed.public java.lang.Object read()
FieldReader
public void set(java.lang.Object value)
value
- The value that should be written to the field.FieldSetter
public boolean isNull()
true
if null
, else false
.public boolean isAnnotatedBy(java.lang.Class<? extends java.lang.annotation.Annotation> annotationClass)
annotationClass
- The annotation type to check.true
if the field is annotated by this annotation, else false
.public <A extends java.lang.annotation.Annotation> A annotation(java.lang.Class<A> annotationClass)
A
- Type of the annotation.annotationClass
- Tha annotation type to retrieve.public java.lang.reflect.Field jdkField()
Field
instance.Field
instance.public java.lang.String name()
public boolean equals(java.lang.Object o)
equals
in class java.lang.Object
public int hashCode()
hashCode
in class java.lang.Object