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SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
A field handler knows how to perform various operations on the field that require access to the field value.
FieldDescriptor
Method Summary | |
void |
checkValidity(java.lang.Object object)
Deprecated. No longer supported |
java.lang.Object |
getValue(java.lang.Object object)
Returns the value of the field from the object. |
java.lang.Object |
newInstance(java.lang.Object parent)
Creates a new instance of the object described by this field. |
void |
resetValue(java.lang.Object object)
Sets the value of the field to a default value. |
void |
setValue(java.lang.Object object,
java.lang.Object value)
Sets the value of the field on the object. |
Method Detail |
public java.lang.Object getValue(java.lang.Object object) throws java.lang.IllegalStateException
object
- The objectpublic void setValue(java.lang.Object object, java.lang.Object value) throws java.lang.IllegalStateException, java.lang.IllegalArgumentException
object
- The objectvalue
- The new valuepublic void resetValue(java.lang.Object object) throws java.lang.IllegalStateException, java.lang.IllegalArgumentException
Reference fields are set to null, primitive fields are set to their default value, collection fields are emptied of all elements.
object
- The objectpublic void checkValidity(java.lang.Object object) throws ValidityException, java.lang.IllegalStateException
public java.lang.Object newInstance(java.lang.Object parent) throws java.lang.IllegalStateException
parent
- The object for which the field is created
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